MerCruiser Axius 350 Instruction Manual

MerCruiser Axius 350 Instruction Manual

With emissions control
Table of Contents

Advertisement

Quick Links

NOTE: The following applies to CE marked products only.
Declaration of Conformance – Mercury MerCruiser
This sterndrive or inboard engine when installed in accordance to Mercury MerCruisers' instructions complies with the
requirements of the following directives by meeting the associated standards, as amended:
Recreational Craft Directive 94/25/EC; 2003/44/EC
Applicable Requirement
Owner's manual (A.2.5)
Openings in Hull, Deck and superstructure (A.3.4)
Handling characteristics (A.4)
Inboard Engine (A.5.1.1)
Fuel System (A.5.2)
Electrical System (A.5.3)
Steering system (A.5.4)
Exhaust emission requirements (B.2)
Owner's manual (B.4)
Noise emission levels (C.1)
Ignition‑protected equipment (Annex II)
Mercury MerCruiser declares that our sterndrive or inboard engines without integral exhaust, when installed in a
recreational craft, in accordance with the manufacturers supplied instructions, will meet the exhaust emissions
requirements of the directive mentioned above. This engine must not be put into service until the recreational craft in which
it is to be installed has been declared in conformity, if so required, with the relevant provision of the directive.
Electromagnetic Compatibility Directive 89/336/EC, 92/31/EEC and 93/68/EEC
Generic emission standard
Generic immunity standard
Vehicles, boats and internal combustion engine driven
devices ‑ Radio disturbance characteristics
Electrostatic discharge testing
The notified body responsible for surveillance of the quality system under Full Quality Assurance Module H of Directive
2003/44/EC is:
Det Norske Veritas
Norway
Notified Body Number: 0575
This declaration is issued under the sole responsibility of Mercury Marine and Mercury MerCruiser.
President ‑ Mercury MerCruiser, Stillwater, OK, USA
Regulatory contact:
Regulations and Product Safety Department
Mercury Marine
W6250 W. Pioneer Road
Fond du Lac, WI 54936
USA
Identification Record
Please record the following information:
ISO 10240
ISO 9093‑1; ISO 9093‑2
ISO 8665
ISO 15584; ISO 10088; ISO 7840; ISO 10133
ISO 10088; ISO 7840; ISO 8469
ISO 10133; ISO 8846
Applicable portions of: ISO 10592, ISO 8848 and ABYC
P‑17
ISO 8178
ISO 8665
ISO 14509
ISO 8846; SAE J1171; SAE J1191; SAE J 2031
EN 50081‑1
EN 50082‑1
SAE J551 (CISPR 12)
EN 61000‑6‑2; EN 61000‑4‑2; EN61000‑4‑3
Kevin Grodzki
Standards Applied

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Axius 350 and is the answer not in the manual?

Questions and answers

Summary of Contents for MerCruiser Axius 350

  • Page 1 Ignition‑protected equipment (Annex II) ISO 8846; SAE J1171; SAE J1191; SAE J 2031 Mercury MerCruiser declares that our sterndrive or inboard engines without integral exhaust, when installed in a recreational craft, in accordance with the manufacturers supplied instructions, will meet the exhaust emissions requirements of the directive mentioned above.
  • Page 2: Read This Manual Thoroughly

    Boat Model Length The serial numbers are the manufacturer’s keys to numerous engineering details that apply to your Mercury MerCruiser® power package. When contacting your Authorized Mercury MerCruiser Dealer about service, always specify model and serial numbers. The description and specifications contained herein were in effect at the time this guide was approved for printing. Mercury Marine, whose policy is one of continuous improvement, reserves the right to discontinue models at any time, or to change specifications or designs, without notice and without incurring obligation.
  • Page 3 Notice Throughout this publication, and on your power package, dangers, warnings, cautions, and notices, accompanied by the International Hazard Symbol , may be used to alert the installer/user to special instructions concerning a particular service or operation that may be hazardous if performed incorrectly or carelessly. Observe them carefully. These Safety Alerts alone cannot eliminate the hazards that they signal.
  • Page 5: Table Of Contents

    Transfer of Warranty..............2 Mercury Installation Quality Certification Program....14 Mercury Product Protection Plan: United States and Canada... 3 California Emissions Limited Warranty........14 Mercury MerCruiser Limited Warranty (Gasoline‑Fueled What Is Covered..............15 Products Only) ................3 Duration of Coverage............15 3‑Year Limited Warranty Against Corrosion......5 How to Obtain Warranty Coverage........
  • Page 6 Engine Oil................76 Sterndrive—Bravo............80 Engine Specifications............. 77 Steering................80 Engine Specifications............. 78 Power Trim..............80 Axius 350 MAG, Axius SeaCore 350 MAG with Emissions Control................78 Section 5 - Maintenance Owner/Operator Responsibilities..........82 Easy Engine Oil Drain System........86 Dealer Responsibilities............82 Engine Oil Drain Pump..........
  • Page 7 Changing................91 Propeller Repair..............99 Power Trim Fluid..............92 Bravo Three Propeller Removal........99 Checking................92 Bravo Three Propeller Installation........100 Filling..................92 Serpentine Drive Belt............. 101 Changing................93 Checking.................101 Battery..................93 Replacing or Adjusting............102 Multiple EFI Engine Battery Precautions......93 Corrosion Protection.............. 103 Cleaning the Flame Arrestor............ 93 Corrosion Information.............
  • Page 8 Ordering Literature............... 139 Outside the United States and Canada......140 United States and Canada..........139 Dealer Checklist and Customer Orientation......140 Page iv 90-8M0053363 NOVEMBER 2010...
  • Page 9: Section 1 - Warranty

    Mercury Product Protection Plan: United States and Canada California Emissions Limited Warranty......... 14 ....................3 What Is Covered ............15 Mercury MerCruiser Limited Warranty (Gasoline‑Fueled Duration of Coverage ........... 15 Products Only) ............... 3 How to Obtain Warranty Coverage ....... 15 3‑Year Limited Warranty Against Corrosion......
  • Page 10: Warranty Registration: United States And Canada

    Federal Boat Safety Act is required. You may change your address at any time, including at time of warranty claim, by calling Mercury MerCruiser or sending a letter or fax to Mercury MerCruiser’s warranty registration department with your name, old address, new address, and engine serial number.
  • Page 11: Mercury Product Protection Plan: United States And Canada

    The optional Mercury Product Protection Plan is the only Factory Plan available for your engine. One‑, two‑, three‑, four‑, or five‑ year term plans can be purchased up to 12 months after the original engine registration date. See your participating Mercury MerCruiser dealer for complete program details. Mercury MerCruiser Limited Warranty (Gasoline‑Fueled Products Only)
  • Page 12 Section 1 - Warranty Warranty Period for Commercial Use The warranty period begins on the date the product is first sold to a commercial‑use retail purchaser or the date on which the product is first put into service, whichever occurs first. Commercial users of these products receive warranty coverage for either one (1) year from the date of first retail sale or the accumulation of 500 hours of operation, whichever occurs first.
  • Page 13: 3-Year Limited Warranty Against Corrosion

    Mercury Marine warrants that each new Mercury, Mariner, Mercury Racing, Sport Jet, M Jet Drive, Tracker by Mercury Marine Outboard, MerCruiser Inboard or Sterndrive engine (Product) will not be rendered inoperative as a direct result of corrosion for the period of time described below.
  • Page 14: 4-Year Limited Corrosion Warranty: Seacore Sterndrive Models With Gas Engines

    4-YEAR LIMITED CORROSION WARRANTY: SEACORE STERNDRIVE MODELS WITH GAS ENGINES What Is Covered Mercury Marine warrants that each new MerCruiser SeaCore engine, transom, and sterndrive package will not be rendered inoperative as a direct result of corrosion for the period of time described below.
  • Page 15: Global Warranty Charts

    This limited corrosion warranty provides coverage for four (4) years from either the date on which the MerCruiser SeaCore engine, transom, and sterndrive package is first sold or the date on which it is first put into service, whichever occurs first. The repair or replacement of parts or the performance of service under this warranty does not extend the life of this warranty beyond its original expiration date.
  • Page 16: Consumer Application Warranty Chart

    Section 1 - Warranty Consumer Application Warranty Chart Limited Corrosion Consumer Application: Standard Factory Limited Warranty by Region & Boat Brand Warranty Non-Certified Boat Brand Certified Boat Brand All Boat Brands Vazer, Vazer Vazer Standard Models, Standar Models Scorpio Standar Models Scorpio and and...
  • Page 17: Commercial Application Warranty Chart

    Section 1 - Warranty Commercial Application Warranty Chart Limited Corrosion Commercial Application: Standard Factory Limited Warranty by Region & Boat Brand Warranty Non-Certified Boat Brand Certified Boat Brand All Boat Brands Vazer, Vazer Vazer Standard Models, Standar Models Scorpio Standar Models Scorpio and and...
  • Page 18: Government Application Warranty Chart

    Section 1 - Warranty Government Application Warranty Chart Limited Corrosion Government Application: Standard Factory Limited Warranty by Region & Boat Brand Warranty Non-Certified Boat Brand Certified Boat Brand All Boat Brands Vazer, Vazer Vazer Standard Models, Standar Models Scorpio Standar Models Scorpio and and...
  • Page 19: Global Warranty Charts

    1 year 3 years (excluding 2 years Brazil) 2 years Brazil Europe, Middle 3 years 2 years Axius 350 MAG, Axius 377 MAG East, Africa 3 years with Emissions Control Australia, New 2 years Zealand 1 year 1 year 1 year...
  • Page 20: Warranty For Government Applications

    (excluding Brazil) 2 years 2 years 2 years Brazil Europe, Middle 3 years Axius 350 MAG, Axius 377 MAG East, Africa with Emissions Control Australia, New Zealand 1 year or 500 hours 1 year or 500 hours Japan 1 year or 500 hours...
  • Page 21: Warranty For Commercial Applications

    Section 1 - Warranty Warranty for Commercial Applications Standard Factory Limited Warranty by Certification Status of Boat Manufacturer Commercial Limited Engine Model Region Corrosion Warranty Installation Quality Not Certified Certified The Americas 1 year 1 year 1 year (excluding Brazil) 2 years 2 years 2 years...
  • Page 22: Mercury Installation Quality Certification Program

    California Emissions Limited Warranty NOTE: Mercury Marine does not establish model years for the Mercury MerCruiser product line. In order to comply with CARB warranty regulations, and for that limited purpose only, model year shall have the same meaning as calendar year. As an example, 2003 model year products refers to products manufactured during calendar year 2003.
  • Page 23: What Is Covered

    Duration of Coverage NOTE: Mercury Marine does not establish model years for the Mercury MerCruiser product line. In order to comply with CARB warranty regulations, and for that limited purpose only, model year shall have the same meaning as calendar year. As an example, 2003 model year products refers to products manufactured during calendar year 2003 This limited warranty provides coverage for the components of the emissions control systems.
  • Page 24: Disclaimers And Limitations

    Your Warranty Rights and Obligations NOTE: Mercury Marine does not establish model years for the Mercury MerCruiser product line. In order to comply with CARB warranty regulations, and for that limited purpose only, model year shall have the same meaning as calendar year. As an example, 2003 model year products refers to products manufactured during calendar year 2003.
  • Page 25: Owner Responsibility

    Better Fuel Economy ‑ burns up to 30‑40 percent less gas and oil than conventional carbureted two‑stroke engines, saving money and resources. Longer Emission Warranty ‑ Protects consumer for worry free operation. Beginning January 1, 2003, one Three‑Star label will be included with each factory‑certified Mercury MerCruiser engine. 90-8M0053363 NOVEMBER 2010...
  • Page 26 Section 1 - Warranty All Mercury MerCruiser engines (500 hp and below) will have a Three‑Star Ultra Low Emission rating. The Three‑Star label identifies that these engines meet the California Air Resources Board's Sterndrive and Inboard marine engine 2003 exhaust emission standards.
  • Page 27: Section 2 - Getting To Know Your Power Package

    Section 2 - Getting to Know Your Power Package Section 2 - Getting to Know Your Power Package Table of Contents Identification................. 20 Adjustment ............25 Engine Serial Number Decal MPI........20 Joystick—Basic Operation..........25 Bravo Transom Serial Number........20 Power Trim..............
  • Page 28: Identification

    Section 2 - Getting to Know Your Power Package Identification The serial numbers are the manufacture's keys to numerous engineering details which apply to your MerCruiser power package. When contacting MerCruiser about service, always specify model and serial numbers. Engine Serial Number Decal MPI The serial number decal is located on the engine cover.
  • Page 29: Features And Controls

    Section 2 - Getting to Know Your Power Package Features and Controls Lanyard Stop Switch The purpose of a lanyard stop switch is to turn off the engine when the operator moves outside the operator's position (as in accidental ejection from the operator's position). Stop switch Lanyard Clips to the operator...
  • Page 30: Emergency Stop (E-Stop) Switch

    Section 2 - Getting to Know Your Power Package Emergency Stop (E‑Stop) Switch The emergency stop (E‑stop) switch turns off the engines in an emergency situation, such as a person overboard or tangled propeller. When activated, the E‑stop switch interrupts the power supply to the main power relay, including power to the gauges, steering, and accessories.
  • Page 31: Sc1000 And Sc100 Digital Gauges (If Equipped)

    Section 2 - Getting to Know Your Power Package SC1000 and SC100 Digital Gauges (If Equipped) The SmartCraft SC1000 and SC100 digital gauges complement VesselView. Refer to the SC1000 and SC100 Digital Gauge Operator's Manual for more information. Typical SmartCraft gauges Tachometer Speedometer LCD System View display...
  • Page 32: Bravo Sterndrive Serial Number And Identification

    Section 2 - Getting to Know Your Power Package Bravo Sterndrive Serial Number and Identification The Bravo sterndrive serial number, gear ratio, model number, and bar code are embedded in the ground plate on the port side of the sterndrive. 33533 Bravo sterndrive information on ground plate The serial number is also stamped as a permanent reference on the sterndrive casting inside the back cover.
  • Page 33: Adjustment

    Section 2 - Getting to Know Your Power Package NOTE: When using the joystick, the computer moves the sterndrive in and out of gear even though the ERC handles remain in neutral. Typical ERC handles Neutral Forward Reverse Bow of boat 28086 Adjustment The amount of force needed to move the ERC handles and to move the ERC handles through the detentes is adjustable to help...
  • Page 34: Erc Trim Control

    Section 2 - Getting to Know Your Power Package ERC Trim Control WARNING Excessive trim can cause serious injury or death at high speeds. Use caution when trimming the sterndrive, and never trim out beyond the gimbal ring support flanges while the boat is underway or at engine speeds above 1200 RPM. Some ERC's will have a single button for trimming both sterndrives simultaneously or may have separate buttons for each sterndrive unit.
  • Page 35: Joystick And Trim Control

    Section 2 - Getting to Know Your Power Package Joystick and Trim Control 24704 Typical joystick While using the Axius joystick, the best boat control is achieved when the sterndrives are in the full down (in) position. Full down (in) trim maximizes propeller efficiency allowing the boat to move parallel with the joystick command. The joystick will function while the sterndrives are trimmed up (out), however control of the boat may be limited or altered because the inefficiency of the propellers at or near the top of the water surface.
  • Page 36 Section 2 - Getting to Know Your Power Package A circuit breaker protects the engine wiring harness and the instrumentation power lead. Test the circuit breaker by pushing the red button. To reset the breaker, push the yellow lever back into the housing. Yellow lever—shown tripped Red test button 22529...
  • Page 37: Warning Horn Signals

    Section 2 - Getting to Know Your Power Package The power trim system is protected from overload by a 110 amp fuse and a 20 amp spade fuse on the power trim pump. The trim pump may also have an in‑line circuit protection device in the power trim positive lead near the battery switch or battery connection.
  • Page 38: Audio Warning System

    IMPORTANT: The audio warning system alerts the operator that a problem has occurred. It does not protect the engine from damage. Your Mercury MerCruiser power package may be equipped with an audio warning system. Most faults cause the warning horn circuit to activate. How the warning horn activates depends on the severity of the problem.
  • Page 39: Obdm

    If an OBDM fault is detected, the audio warning system sound with one five‑second horn, then one short, 1/2‑second horn every 60 seconds for certain faults related to the emissions control or fuel systems. See your authorized Mercury MerCruiser dealer for assistance.
  • Page 40 Section 2 - Getting to Know Your Power Package • Waypoint Sequence—controls the boat on a pre‑determined path with multiple waypoints 35301 SkyHook Turn to starboard Waypoint Sequence Response Track Waypoint Auto Heading Resume Turn to port The buttons on the Precision Pilot Trackpad have the following functions: Function Description Engages and disengages SkyHook.
  • Page 41 Section 3 - On The Water Section 3 - On The Water Table of Contents Safe Boating Suggestions............ 34 General Information ..........50 Be Alert to Carbon Monoxide Poisoning....... 35 Heading Adjustment and Override ......50 Good Ventilation ............35 Standby ..............
  • Page 42: Safe Boating Suggestions

    Section 3 - On The Water Safe Boating Suggestions To enjoy the water safely, you should know and understand all boating regulations and restrictions that pertain to your activity. Know and obey all nautical rules and laws of the waterways. Boat operators should complete a boating safety course.
  • Page 43: Be Alert To Carbon Monoxide Poisoning

    Section 3 - On The Water Federal law requires an approved personal flotation device for every person aboard, as well as a throwable cushion or ring. Flotation devices must fit correctly and be readily accessible. Know your boating area and avoid hazardous locations. Be alert. By law, boat operators are responsible for ensuring that they can see or hear indications of danger.
  • Page 44: Basic Boat Operation

    IMPORTANT: If the boat is operated during periods of freezing temperature, precautions must be taken to prevent freeze damage to the power package. Damage caused by freezing is not covered by Mercury MerCruiser Limited Warranty. Protecting People in the Water While You Are Cruising It is very difficult for a person in the water to take quick action to avoid a boat heading in their direction, even at slow speeds.
  • Page 45: Boats Having An Open Front Deck

    Section 3 - On The Water Boats Having an Open Front Deck No one should ever be on the deck in front of the fence while the boat is in motion. Keep all passengers behind the front fence or enclosure. Persons on the front deck could easily be thrown overboard or persons dangling their feet over the front edge could get their legs caught by a wave and pulled into the water.
  • Page 46: Impact With Underwater Hazards

    After striking a submerged object, stop the engine as soon as possible and inspect the drive system for any broken or loose parts. If damage is present or suspected, the power package should be taken to an authorized Mercury MerCruiser dealer for a thorough inspection and necessary repair.
  • Page 47: The Bottom Of The Boat

    Section 3 - On The Water • Generally increases speed and engine RPM • Causes bow to bounce in choppy water • Increases danger of following wave splashing into the boat when coming off plane • At extremes, can cause the boat to porpoise Shifting weight to front (bow): •...
  • Page 48: Getting Started

    Section 3 - On The Water If full‑throttle operation is below the recommended range, the propeller must be changed to prevent loss of performance and possible engine damage. On the other hand, operating an engine above the recommended operating RPM range will cause higher than normal wear and damage.
  • Page 49: Starting And Stopping The Engine

    NOTE: MerCruiser DTS models are equipped with SmartStart. The SmartStart feature incorporates push‑button starting. Rather than holding the start button or key switch to start the engine and then releasing it when the engine starts, SmartStart completely controls the starting process.
  • Page 50: Throttle Only Operation

    Section 3 - On The Water Throttle Only Operation NOTE: When operating in throttle only (neutral) mode, the DTS Control System will not allow the engine speed to increase above 3500 RPM. Console mount remote controls are equipped with a throttle‑only button. To activate throttle only mode: Refer to the Remote Controls section for remote control features.
  • Page 51 Section 3 - On The Water Move the joystick in the direction that you want the boat to move, or twist the joystick in the direction that you want the boat to rotate. The joystick can be moved and rotated at the same time. The following table gives some limited examples of the basic responses to inputs from the joystick.
  • Page 52 Section 3 - On The Water Movement Joystick Input Boat Response (shown from light gray to dark gray) Boat moves to port without rotating 25931 24708 Boat moves diagonally forward and to the starboard without rotating 25926 24709 Boat moves diagonally aft and to the starboard without rotating 25924 24710...
  • Page 53 Section 3 - On The Water Movement Joystick Input Boat Response (shown from light gray to dark gray) Boat moves diagonally forward and to the port without rotating 25925 24712 Boat rotates clockwise 25921 24713 Boat rotates counter clockwise 25920 24714 Boat moves diagonally forward and to the starboard while rotating clockwise...
  • Page 54: Special Digital Throttle And Shift (Dts) Features

    Section 3 - On The Water Movement Joystick Input Boat Response (shown from light gray to dark gray) Boat moves diagonally forward and to the starboard while rotating counterclockwise 25918 24718 Boat moves diagonally forward and to the port while rotating counterclockwise 25917 24719 Boat moves to the port while rotating clockwise...
  • Page 55: Dock

    Section 3 - On The Water • Accessing the slow‑speed trolling features of the integrated transmission system. 28090 Yacht handled ERC levers with DTS trackpad, Typical Item Control Function Illuminate when the transmission is in the neutral gear position. The lights flash when the "NEUTRAL"...
  • Page 56: Throttle Only

    Section 3 - On The Water To engage Dock mode: Place both ERC levers in neutral. Press the "DOCK" button located on the DTS Trackpad attached to the ERC levers. The "DOCK" button light turns on. Place either ERC lever into gear. The engines raise the RPM at a proportionally lower RPM for the ERC lever position, and with half the usually available power.
  • Page 57: Single) Lever

    Section 3 - On The Water 1 (Single) Lever The Axius system features the ability to command both engines with a single lever. This feature simplifies engine management during rough sea conditions by allowing you to grasp a single lever to command both engines simultaneously. 31466 "1 LEVER"...
  • Page 58: Axius Plus Can Control Pad (If Equipped)

    Section 3 - On The Water To disengage Sync mode: Place the ERC levers in any detent. Press the "SYNC" button. To re‑engage Sync mode, press the "SYNC" button. Axius Plus CAN Control Pad (If Equipped) General Information • Axius Plus CAN Control Pad functions are controlled through the Axius trackpad only. •...
  • Page 59: Auto Heading

    Section 3 - On The Water If you press a button with the power icon when that button light is off, the light turns on for that button, a single beep sounds, and the "ACTIVE" light illuminates. Button with power icon "AUTO HEADING"...
  • Page 60 Section 3 - On The Water • Press one of the "TURN" buttons in the direction you want to turn. Each press of the button changes the desired heading by 10°. Port "TURN" button Starboard "TURN" button STANDBY ACTIVE TURN TURN RESUME AUTO...
  • Page 61: Disengage Auto Heading

    Section 3 - On The Water If the ERC Handles are moved to neutral, Auto Heading turns off, a single beep sounds, and the "STANDBY" light turns on. You cannot resume your course by pressing the "RESUME" button. "OFF" button Current heading Drive positions Engine RPM...
  • Page 62: Cruise Control

    End of First Season Checkup At the end of the first season of operation, contact an authorized Mercury MerCruiser dealer to discuss and/or perform scheduled maintenance items. If you are in an area where the product is operated continuously, year‑round, you should contact your dealer at the end of the first 100 hours of operation or once yearly, whichever occurs first.
  • Page 63: Power Icon

    Section 3 - On The Water The "ACTIVE" light is illuminated when one mode of Axius is on. 35564 "STANDBY" light "ACTIVE" light Power Icon The power icon indicates a button that engages or disengages an Axius Premier touchad function indicated on the button. Only one function can be on at a time.
  • Page 64 Section 3 - On The Water Press the "AUTO HEADING" button to engage Axius. The button illuminates and beeps once. The button will beep twice if auto heading does not engage. 35561 Indicator lamp "AUTO HEADING" button Axius will hold the current compass heading the boat is following when the "AUTO HEADING" button is pressed. 31409 To adjust the heading while auto heading is active and the button light is on, press the "TURN"...
  • Page 65 Section 3 - On The Water • Press one of the "TURN" buttons in the direction you want to turn. Each press of the button changes the desired heading by 10°. 35567 Port "TURN" button Starboard "TURN" button • Tap the joystick in the direction you want to turn. Tap the joystick left (port) or right (starboard) to adjust your course by 1°.
  • Page 66: Disengage Auto Heading

    Section 3 - On The Water To disengage auto heading, turn the steering wheel or press the "AUTO HEADING" button. A single beep sounds when it disengages. If the steering wheel is used to disengage auto heading, the "RESUME" button LED turns on and a single beep sounds.
  • Page 67: To Resume To A Heading

    Section 3 - On The Water • Press the "AUTO HEADING" button on the Axius touchpad. The "AUTO HEADING" button LED light turns off. 35561 Indicator light "AUTO HEADING" button To Resume to a Heading The "RESUME" button light turns on if the previous course heading is available to resume. The previous heading can only be resumed within one minute of the Auto Heading being disengaged or if the boat has not turned more than 90°.
  • Page 68: Engaging (Activating) Skyhook

    Section 3 - On The Water To engage Skyhook the drives must be shifted into neutral. However, after engaging Skyhook the drive response is not the same as with drives normally shifted into neutral. The propellers will turn when Skyhook is activated, and propeller rotation may not be obvious.
  • Page 69 IMPORTANT: If either of the labels cannot be located or are not legible, they must be replaced before engaging Skyhook. Contact the manufacturer of your boat, your Cummins distributor, or an Authorized Cummins MerCruiser Diesel Repair Facility and replace the labels.
  • Page 70: The Skyhook Screen In Vesselview

    Section 3 - On The Water A safety popup (warning screen) appears on VesselView. 33920 Skyhook warning screen on VesselView To acknowledge that you understand the warning on the screen and close the safety popup, press the enter button on VesselView.
  • Page 71: Disengaging (Deactivating) Skyhook

    Section 3 - On The Water Disengaging (Deactivating) Skyhook IMPORTANT: Under most circumstances, both engines and drives must be operational to achieve acceptable Skyhook performance. If the necessary reference signals from an engine or drive become unavailable, Skyhook automatically disengages. To disengage the Skyhook, you must do one of the following: •...
  • Page 72: Course Adjustment Using The Turn Buttons Or Joystick

    Section 3 - On The Water 31409 To adjust your course while "AUTO HEADING" is engaged, see Course Adjustment Using the Turn Buttons or Joystick. 10. To disengage Auto Heading refer to Disengaging Auto Heading. 11. Press the "AUTO HEADING" button a second time, Auto Heading goes to Standby mode and all lights other than "STANDBY" turn off.
  • Page 73: Course Adjustment Using The Turn Buttons Or Joystick 64 To Resume A Heading

    Section 3 - On The Water NOTE: The joystick must move over 50% of its travel for the movement to be recognized as input. 24707 Adjusting heading to starboard To Resume a Heading The "RESUME" button light is on if the previous course heading is available to resume. IMPORTANT: The previous heading can only be resumed within one minute of Auto Heading being disengaged or if the boat has not turned more than 180°.
  • Page 74 Section 3 - On The Water • Press the "AUTO HEADING" button on the Axius Premier CAN touchpad. The "AUTO HEADING" button light turns off and the Standby light comes on. 35568 Port "TURN" button Starboard "TURN" button "RESUME" button "AUTO HEADING"...
  • Page 75: Response Button

    Section 3 - On The Water Response Button Press the "RESPONSE" button to change the how hard the selected Axius Premier program tries to keep the boat in position in the various modes. 35571 Indicator lamp "RESPONSE" button Press the "RESPONSE" button again to change the gain further. Each time you press the "RESPONSE" button, the button light blinks to indicate the gain setting for that mode.
  • Page 76: Disengaging Track Waypoint Mode

    Section 3 - On The Water Press the "TRACK WAYPOINT" button on the Axius Premier Trackpad. The "TRACK WAYPOINT" button light turns on and a single horn beep sounds, indicating Track Waypoint engaged. Track Waypoint tracks to the first waypoint on the chart plotter course.
  • Page 77: Turn Buttons Or Joystick In Track Waypoint Mode

    Section 3 - On The Water You can resume the Track Waypoint heading within one minute, if the vessel has not turned too far and the "RESUME" light is still on or flashing. Turn Buttons or Joystick in Track Waypoint Mode While in "TRACK WAYPOINT"...
  • Page 78: Waypoint Sequence

    Section 3 - On The Water VesselView displays a pop‑up screen warning. The operator must determine it is safe to turn the boat. If so, press the "WAYPOINT SEQUENCE" button to acknowledge that it is safe for Axius Premier CAN Trackpad to automatically turn the boat and maneuver to the new course.
  • Page 79 Section 3 - On The Water A horn beep sounds on VesselView and the green circle icon on the Axius Premier screen will display "TRACK." The "TRACK" icon on the VesselView screen should illuminate. 31411 Waypoint Sequence TRACK icon If you are in a waypoint arrival zone set by the chart plotter, Waypoint Sequence mode only informs Axius Premier it is OK to proceed to next waypoint.
  • Page 80: Cruise Control

    Section 3 - On The Water If you are not in a previously set waypoint arrival zone, "WAYPOINT SEQUENCE" mode starts auto sequencing to the waypoints in the route. Acknowledge that you understand the information presented by the pop‑up screen warning and press the enter button—the button with a check mark symbol.
  • Page 81: Axius Shift Override-Emergency Procedure

    Section 3 - On The Water Axius Shift Override—Emergency Procedure If the VesselView display shows the error message "GEAR POS DIFF" and an engine will not start or will not shift into gear, there is a problem with the Electronic Shift Control (ESC) system. If one drive is working, you may operate on one engine and drive. CAUTION Using the emergency procedure to manually shift the drive disengages shift control at the helm.
  • Page 82 Section 3 - On The Water Notes: Page 74 90-8M0053363 NOVEMBER 2010...
  • Page 83: Section 4 - Specifications

    Fluid Specifications............... 79 ..................76 Engine................80 Gasolines Containing Alcohol ........76 Sterndrive—Bravo............80 Engine Oil................76 Steering.................80 Engine Specifications............77 Power Trim..............80 Engine Specifications............78 Axius 350 MAG, Axius SeaCore 350 MAG with Emissions Control................78 90-8M0053363 NOVEMBER 2010 Page 75...
  • Page 84: Fuel Requirements

    The fuel system components on your Mercury MerCruiser engine will withstand up to 10% alcohol content in the gasoline. We do not know what percentage your boat's fuel system will withstand. Contact your boat manufacturer for specific recommendations on the boat's fuel system components (fuel tanks, fuel lines, and fittings).
  • Page 85: Engine Specifications

    NOTE: The use of non‑detergent oils, multi‑viscosity oils (other than as specified), non FC‑W rated synthetic oils, low quality oils or oils that contain solid additives are specifically not recommended. MerCruiser/ Quicksilver Synthetic Blend, NMMA FC-W rated, 4-cycle oil MerCruiser / Quicksilver 25W40 NMMA FC-W rated oil...
  • Page 86: Engine Specifications

    1.5 mm (0.060 in.) Engine Specifications Axius 350 MAG, Axius SeaCore 350 MAG with Emissions Control NOTE: Performance specifications are obtained and corrected in accordance with SAE J1228/ISO 8665 Crankshaft Power. All measurements are taken with the engine at normal operating temperature.
  • Page 87: Axius 377 Mag, Axius Seacore 377 Mag With Emissions Control

    Section 4 - Specifications 224 kW (300 hp) Propshaft power 5.7 L (350 cid) Displacement 72 A Alternator amperage Cold 65 A 4800–5200 Rev limiter 5350 Idle in neutral At 2000 RPM 124 kPa (18 psi) Minimum oil pressure At idle 41 kPa (6 psi) Seawater‑cooled models 71°...
  • Page 88: Engine

    Always use the dipstick to determine the exact quantity of oil or fluid required. All Models Capacity Fluid Type 4.25 liters Mercury/Quicksilver Synthetic Blend MerCruiser Engine Oil Engine oil (with filter) (4.5 U.S. qt.) 25W‑40 Seawater cooling system 20 liters (21 U.S. qt.)
  • Page 89 Section 5 - Maintenance Section 5 - Maintenance Table of Contents Owner/Operator Responsibilities.......... 82 Replacement..............95 Dealer Responsibilities............82 Water‑Separating Fuel Filter (MPI)........96 Maintenance................. 82 Water‑Separating Fuel Filter.......... 96 Do‑It‑Yourself Maintenance Suggestions......82 GEN III Models.............. 96 Inspection................83 Removal ..............
  • Page 90: Owner/Operator Responsibilities

    It is the operator's responsibility to perform all safety checks, to ensure that all lubrication and maintenance instructions are complied with for safe operation and to return the unit to an authorized Mercury MerCruiser dealer for a periodic checkup. Normal maintenance service and replacement parts are the responsibility of the owner/operator and as such, are not considered defects in workmanship or material within the terms of the warranty.
  • Page 91: Inspection

    Check plug leads and electrical leads for damage. • Remove and inspect the propeller. If badly nicked, bent or cracked, contact your authorized Mercury MerCruiser dealer. • Repair nicks and corrosion damage on power package exterior finish. Contact your authorized Mercury MerCruiser dealer.
  • Page 92: Maintenance Log

    Lubricate the U‑joint splines and cross bearing, if equipped with a grease fitting. • Inspect the gimbel bearing for roughness. Replace if necessary. See your certified Mercury MerCruiser dealer. • Vazer models, Alpha models, and 496 MAG Bravo models only: Lubricate the engine coupler.
  • Page 93: Engine Oil

    Section 5 - Maintenance Date Maintenance Performed Engine Hours Engine Oil NOTICE Discharge of oil, coolant, or other engine/drive fluids into the environment is restricted by law. Use caution not to spill oil, coolant, or other fluids into the environment when using or servicing your boat. Be aware of the local restrictions governing the disposal or recycling of waste, and contain and dispose of fluids as required.
  • Page 94: Changing Oil And Filter

    Fluid type 4.3L (262 cid) 3.8 liters (4 U.S. qt.) 5.0L (305 cid) Mercury/Quicksilver Synthetic Blend MerCruiser Engine Oil 25W‑40 4.25 liters (4.5 U.S. qt.) 5.7L (350 cid) Changing Oil and Filter Refer to the Maintenance schedule for the change interval. Engine oil should be changed before placing the boat in storage.
  • Page 95: Engine Oil Drain Pump

    Engine Model Engine Oil Capacity Fluid type Mercury/Quicksilver Synthetic Blend MerCruiser Axius 5.0, 5/7 and Axius SeaCore 5.0, 5.7 4.25 liters (4.5 U.S. qt.) Engine Oil 25W‑40 Start the engine, run the engine for three minutes, and check for leaks. Stop the engine. Allow approximately 5 minutes for the oil to drain into the oil pan.
  • Page 96: Steering Fluid

    Remove the fill cap from the reservoir and observe the fluid level using the dipstick. IMPORTANT: If fluid is not visible in the reservoir, contact your authorized Mercury MerCruiser dealer. The fluid level must be in the warm range and not above the full hot mark when the engine is warm. When the engine is cold the fluid level must be in the cold range and not above the full cold mark.
  • Page 97: Filling

    6101 The coolant level in the heat exchanger should be at the bottom of the filler neck. If the coolant level is low, contact your authorized Mercury MerCruiser dealer. Install the cap onto the heat exchanger. IMPORTANT: When reinstalling the pressure cap, be sure to tighten it until it seats on the filler neck.
  • Page 98: Changing

    Inspect the lubricant condition. If any water is visible at the bottom of the gear lube monitor, if water appears at the fill and drain plug hole, or if the gear lube appears discolored, contact your authorized Mercury MerCruiser dealer immediately. These conditions can indicate a water leak in the sterndrive.
  • Page 99: Changing

    IMPORTANT: If any water drained from the gear lube fill and drain hole, or if the gear lube appears milky, the sterndrive unit is leaking and should be checked immediately by your authorized Mercury MerCruiser dealer. Lower the sterndrive unit so that the propeller shaft is level. Fill the sterndrive unit, through the fill and drain hole, with specified gear lubricant until an air‑free stream of lubricant flows from the vent hole.
  • Page 100: Power Trim Fluid

    Section 5 - Maintenance Tube Ref No. Description Where Used Part No. High Performance Gear Sterndrive unit 92-858064K01 Lubricant IMPORTANT: Use only Mercury/Quicksilver High Performance Gear Lubricant in the sterndrive unit. Install the vent screw and sealing washer. Continue to pump gear lubricant into the gear lube circuit until the lubricant appears in the gear lube monitor. Ensure that the rubber gasket is inside the cap and install the cap.
  • Page 101: Changing

    Changing Power trim fluid does not require changing unless it becomes contaminated with water or debris. Contact your authorized Mercury MerCruiser dealer. Battery Refer to specific instructions and warnings accompanying your battery. If this information is not available, observe the following precautions when handling a battery.
  • Page 102: Positive Crankcase Ventilation Valve (Pcv)

    Section 5 - Maintenance Remove the flame arrestor. 6110 Engine cover knob Engine cover Nuts, flame arrestor Cover mount bracket Flame arrestor Crankcase ventilation hose Clean the flame arrestor with warm water and a mild detergent. Inspect the flame arrestor for holes, cracks, or deterioration. Replace if necessary. Allow the flame arrestor to air dry completely before use.
  • Page 103: Replacement

    Install the PCV valve in the valve cover and reconnect the hose, if not connected already. Ensure that the PCV valve is tightly seated in the valve cover. Replacement IMPORTANT: Use only Mercury MerCruiser replacement parts to ensure compliance with emission regulations. Remove the PCV valve from the port valve cover. PCV valve...
  • Page 104: Water-Separating Fuel Filter (Mpi)

    Removal Allow the engine to cool down. NOTE: Mercury MerCruiser recommends that the engine be shut off for 12 hours prior to filter removal. Close fuel supply valve, if equipped. Disconnect the Cool Fuel Module harness from the engine wiring harness.
  • Page 105: Installation

    10. Start the engine. Check for gasoline leaks around the fuel filter assembly. If leaks exist, stop the engine immediately. Recheck the filter installation, clean spilled fuel and properly ventilate the engine compartment. If leaks continue, stop engine immediately and contact your authorized Mercury MerCruiser dealer. Lubrication Electronic Shift Control (ESC) Shift Cable Lubricate the pivot points and the guide contact surfaces.
  • Page 106: Sterndrive Unit And Transom Assembly

    Section 5 - Maintenance Sterndrive Unit and Transom Assembly Lubricate gimbal bearing by applying approximately 8‑10 pumps of grease from a typical hand‑operated grease gun. Gimbal bearing grease fitting mc77068-1 Tube Ref No. Description Where Used Part No. U-joint and Gimbal Gimbal bearing 92-802870A1 Bearing Grease...
  • Page 107: Propellers

    Propellers Propeller Repair Some damaged propellers can be repaired. Contact your authorized Mercury MerCruiser dealer. Bravo Three Propeller Removal WARNING Rotating propellers can cause serious injury or death. Never operate the boat out of the water with a propeller installed. Before installing or removing a propeller, place the drive unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
  • Page 108: Bravo Three Propeller Installation

    Section 5 - Maintenance NOTE: Some damaged propellers can be repaired. Contact your authorized Mercury MerCruiser dealer. Rear propeller nut Rear propeller Rear propeller thrust hub Front propeller nut Front propeller Front propeller thrust hub Propeller shaft anode screw Flat washer...
  • Page 109: Serpentine Drive Belt

    Section 5 - Maintenance Install the propeller shaft anode over the propeller shaft nut. Place the flat washer onto the propeller shaft anode screw. 10. Place the star washer onto the propeller shaft anode screw. 11. If a propeller shaft anode is reinstalled, apply Loctite Threadlocker 271 to the threads of the propeller shaft anode screw. Propeller Propeller shaft nut Propeller shaft anode...
  • Page 110: Replacing Or Adjusting

    Section 5 - Maintenance NOTE: Minor, transverse cracks (across the belt width) may be acceptable. Longitudinal cracks (in the direction of belt length) that join transverse cracks are not acceptable. mc75130-1 • Fraying • Glazed surfaces • Proper tension ‑ See Replacing or Adjusting for proper specifications. Replacing or Adjusting IMPORTANT: If a belt is to be reused, it should be installed in the same direction of rotation as before.
  • Page 111: Corrosion Protection

    MerCathode System Battery Requirements The Mercury MerCruiser MerCathode system requires a minimum battery charge of 12.6 volts at all times to maintain functionality. Boats equipped with a MerCathode system that use shore power, and are not run for a long period of time, must use a battery charger to maintain a minimum battery charge of 12.6 volts or above.
  • Page 112: Checking The Quicksilver Mercathode System

    Checking the Quicksilver MerCathode System The MerCathode system should be tested to ensure adequate output. Perform the test where boat is moored, using the reference electrode and test meter. Contact your authorized Mercury MerCruiser dealer for service and information . Reference Electrode 91‑76675T 1...
  • Page 113: Power Package Exterior Surfaces

    Copper base paint, if not prohibited by law, can be used. • If using copper based anti‑fouling paint, avoid an electrical interconnection between the Mercury MerCruiser Product, Anodic Blocks, or MerCathode System and the paint by allowing a minimum of 40 mm (1‑1/2 in.) unpainted area on transom of the boat around these items.
  • Page 114: Sterndrive Surface Care

    Section 5 - Maintenance Do not wash the sterndrive unit with a power washer. High pressures can damage the coating on the reference wire of the MerCathode assembly, if equipped, and increase corrosion. 32671 MerCathode reference electrode Do not paint Do not pressure wash Sterndrive Surface Care Standard Bravo sterndrive...
  • Page 115: Flushing The Power Package

    Flushing the Power Package General Information Your authorized Mercury MerCruiser dealer can explain how to properly flush your power package. The boat can be equipped with a combination of any of three different types of water pickups: through the hull, through the transom, and through the sterndrive.
  • Page 116: Sterndrive Water Pickups

    Sterndrive Water Pickups There are two types of water pickups available on Mercury MerCruiser sterndrives: dual water, and side water pickups. Dual water pickups require the flushing attachment (44357Q 2) and the flush seal kit (881150K 1), and side water pickups require the flushing attachment (44357Q 2).
  • Page 117: Alternative Water Pickups

    Section 5 - Maintenance WARNING Rotating propellers can cause serious injury or death. Never operate the boat out of the water with a propeller installed. Before installing or removing a propeller, place the drive unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
  • Page 118: Seacore Power Package Flushing Procedure

    Section 5 - Maintenance Remove the seawater inlet hose from the seawater pump and plug the hose to prevent water from siphoning into the engine or boat. 6147 Using a suitable adapter, connect the flushing hose from the water source to the water inlet of the seawater pump. NOTICE Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage.
  • Page 119 Section 5 - Maintenance NOTE: Engines with the sterndrive water inlet blocked off at the gimbal housing: Refer to Alternative Water Pickups. WARNING Rotating propellers can cause serious injury or death. Never operate the boat out of the water with a propeller installed. Before installing or removing a propeller, place the drive unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
  • Page 120 IMPORTANT: Do not store the quick‑connect fitting in the flush socket on the engine. Doing so would allow the seawater pump to suck air during engine operation causing an overheating problem. Damages due to engine overheating are not covered by Mercury MerCruiser Warranty. Quick-connect fitting stored in the boat Quick‑connect fitting (water hose end)
  • Page 121 Section 5 - Maintenance 20. Insert the dust cover in the flush socket on the engine. Dust cover installed in the flush socket Dust cover Flush socket 18490 IMPORTANT: If the unit is to be stored in the water, the seacock should remain closed until time of usage. If unit is to be stored out of the water, open the seacock.
  • Page 122 Section 5 - Maintenance Notes: Page 114 90-8M0053363 NOVEMBER 2010...
  • Page 123 Section 6 - Storage Section 6 - Storage Table of Contents Cold Weather or Extended Storage........116 Boat out of the Water .......... 121 Preparing Power Package for Storage......116 Manual Single‑Point Drain System......123 Engine and Fuel System Preparation ....116 Boat in the Water ..........
  • Page 124: Cold Weather Or Extended Storage

    Cold Weather or Extended Storage IMPORTANT: Mercury MerCruiser strongly recommends that this service should be performed by an authorized Mercury MerCruiser dealer. Damage caused by freezing temperatures IS NOT covered by the Mercury MerCruiser Limited Warranty. NOTICE Water trapped in the seawater section of the cooling system can cause corrosion or freeze damage. Drain the seawater section of the cooling system immediately after operation or before any length of storage in freezing temperatures.
  • Page 125: Draining The Seawater System

    Section 6 - Storage Tube Ref No. Description Where Used Part No. Premium Plus 2-cycle TC- Fuel system 92-858026K01 W3 Outboard Oil Fuel System Treatment & Fuel system 858071K01 Stabilizer Allow the engine to cool down. IMPORTANT: Immediately wipe up any fuel spills or sprays. Close the fuel shut off valve, if equipped.
  • Page 126: Manual Single Point Drain System

    Section 6 - Storage Manual Single Point Drain System 6128 Blue handle Blue drain plug location Three Point Manual Drain System Blue drain plug 6126 Multi-Point Drain (MPD) System Side of cylinder block Bottom of exhaust manifolds 6129 Page 118 90-8M0053363 NOVEMBER 2010...
  • Page 127: Air Actuated Single Point Drain System

    Section 6 - Storage 6130 Water circulating pump hose Fuel cooler to thermostat housing Check valve (if equipped) 6131 Air Actuated Single Point Drain System Boat in the Water NOTE: This procedure is written for the air pump that is attached to the engine. However, any air source can be used. Close the seacock (if equipped) or remove and plug the water inlet hose.
  • Page 128 12. Remove the air pump from the air manifold and return it to the mounting bracket. 13. Mercury MerCruiser recommends leaving the drain system open while transporting the boat or while performing other maintenance. This helps ensure that all water is drained.
  • Page 129: Boat Out Of The Water

    Section 6 - Storage 14. Before launching the boat, pull up on the manual release valve. Verify that the green indicators are no longer extended. Green indicators 6135 15. Open the seacock, if equipped, or unplug and reconnect the water inlet hose prior to operating the engine. Boat out of the Water NOTE: This procedure is written for the air pump that is attached to the engine.
  • Page 130 10. Remove the air pump from the air manifold and return it to the mounting bracket. 11. Mercury MerCruiser recommends leaving the drain system open while transporting the boat or while performing other maintenance. This helps ensure that all water is drained.
  • Page 131: Manual Single-Point Drain System

    Section 6 - Storage Manual Single‑Point Drain System Boat in the Water Close the seacock (if equipped) or remove and plug the water inlet hose. Rotate the blue handle counterclockwise until it stops (approximately two turns). The red on the handle shaft indicates that the drain system is open.
  • Page 132: Three-Point Manual Drain System

    Section 6 - Storage Rotate the blue handle counterclockwise until it stops (approximately two turns). The red on the handle shaft indicates that the drain system is open. Do not overtighten the handle, as this action will create new threads. Blue handle 6141 Visually verify that water is draining.
  • Page 133: Boat Out Of The Water

    Section 6 - Storage To properly vent the cooling system, remove the blue drain plug from the side of the thermostat housing within 30 seconds. Blue drain plug location 6139 Remove the two blue drain plugs from the seawater pickup pump (front, starboard side). Blue drain plugs 6140 Verify that water is draining from each opening.
  • Page 134: Multi-Point Drain (Mpd) System

    Section 6 - Storage Multi‑Point Drain (MPD) System Place the boat on a level surface to ensure complete draining of the system. Remove the blue drain plugs from the following locations. It may be necessary to clean out the drain holes using a stiff piece of wire.
  • Page 135: Draining The Sterndrive

    Section 6 - Storage Check valve Drain plug (if equipped) 6131 On models with a seawater pickup pump, remove the two blue drain plugs. If the seawater pickup pump does not have blue drain plugs, or you are unable to access them, loosen the clamps and remove both hoses. 6145 Hose clamps Blue drain plugs...
  • Page 136: Battery Storage

    IMPORTANT: Mercury MerCruiser requires that propylene glycol antifreeze, mixed to the manufacturers instructions, be used in the seawater section of the cooling system for freezing temperatures or extended storage. Make sure that the propylene glycol antifreeze contains a rust inhibitor and is recommended for use in marine engines.
  • Page 137 Section 6 - Storage Carefully inspect the engine for fuel, oil, fluid, water and exhaust leaks. Inspect the steering system, shift and throttle control for proper operation. 90-8M0053363 NOVEMBER 2010 Page 129...
  • Page 138 Section 6 - Storage Notes: Page 130 90-8M0053363 NOVEMBER 2010...
  • Page 139 Section 7 - Troubleshooting Section 7 - Troubleshooting Table of Contents Check VesselView First............132 Insufficient Engine Temperature........133 Diagnosing EFI Problems........... 132 Low Engine Oil Pressure..........134 Diagnosing DTS Problems..........132 Battery Will Not Recharge........... 134 Engine Guardian System............ 132 Joystick................134 Troubleshooting Charts............
  • Page 140: Check Vesselview First

    Diagnosing EFI Problems Your authorized Mercury MerCruiser dealer has the proper service tools for diagnosing problems on Electronic Fuel Injection (EFI) Systems. The Electronic Control Module (ECM) on these engines has the ability to detect some problems with the system when they occur, and store a Trouble Code in the ECM's memory.
  • Page 141: Poor Performance

    Ignition problem. See Engine Runs Rough, Misses or Backfires. Engine overheating. See Excessive Engine Temperature. EFI System fault Have EFI System checked by an authorized Mercury MerCruiser dealer. Engine Runs Rough, Misses, or Backfires Possible Cause Remedy Clogged fuel filter.
  • Page 142: Low Engine Oil Pressure

    The ERC lever increases engine RPM, but does not engage gears and the boat does not move. Engage gears manually. See Section 3, Gear Engagement— Emergency Procedure. Contact your authorized Mercury MerCruiser dealer. Page 134 90-8M0053363 NOVEMBER 2010...
  • Page 143: Steering System

    Check for damage to the propeller. Check VesselView for Guardian fault codes that indicate reduced engine power. If found, contact your authorized Mercury MerCruiser dealer to ask if the propellers need to be changed. Check the "TROLL" button on the DTS track pad. Put the handles in Neutral and push the "TROLL"...
  • Page 144: Power Trim Does Not Operate

    Section 7 - Troubleshooting Power Trim Does Not Operate (Motor Operates but Sterndrive Unit Does Not Move) Possible Cause Remedy Trim pump oil level low. Fill pump with oil. Drive unit binding in gimbal ring. Check for obstruction. Page 136 90-8M0053363 NOVEMBER 2010...
  • Page 145: Section 8 - Customer Assistance Information

    Section 8 - Customer Assistance Information Section 8 - Customer Assistance Information Table of Contents Owner Service Assistance..........138 Resolving a Problem ..........138 Local Repair Service ..........138 Mercury Marine Service Offices ......... 139 Service Away From Home .......... 138 Ordering Literature.............
  • Page 146: Owner Service Assistance

    Resolving a Problem Satisfaction with your Mercury MerCruiser product is very important to your dealer and to us. If you ever have a problem, question or concern about your power package, contact your dealer or any authorized Mercury MerCruiser dealership. If you need additional assistance: Talk with the dealership's sales manager or service manager.
  • Page 147: Mercury Marine Service Offices

    • Year built United States and Canada For information on additional literature that is available for your particular Mercury MerCruiser power package and how to order that literature contact your nearest dealer or contact us at: Mercury Marine Publications P.O. Box 1939...
  • Page 148: Outside The United States And Canada

    Contact your nearest dealer or Marine Power Service Center for information on additional literature that is available for your particular Mercury MerCruiser power package and how to order that literature. Print or type your mailing address, which be used as your shipping label, and include your order and payment. Mail to:...
  • Page 149 Section 8 - Customer Assistance Information Safety Customer Dealer Enable Throttle Only and demonstrate its ability to disable shifting of the electronic remote control ☐ ☐ and joystick while engines are running. Joystick Customer Dealer Demonstrate that the joystick requires both engines to be running to operate. ☐...

Table of Contents