Mercury 225 Pro XS User Manual

Hide thumbs Also See for 225 Pro XS:

Brochure & specs (19 pages)

Manual (155 pages)

Manual (96 pages)

Table Of Contents

Table of Contents

Quick Links

Need help?

Do you have a question about the 225 Pro XS and is the answer not in the manual?

Questions and answers

Summary of Contents for Mercury 225 Pro XS

Page 1 If the outboard motor’s serial number plate contains the CE mark in the lower left‑hand corner, the following statement applies: This outboard motor manufactured by Mercury Marine, Fond du Lac, WI, USA or Marine Power Europe Inc. Park Industrel, de Petit‑Rechain, Belgium...
Page 2 All of us at Mercury Marine took pride in building your outboard and wish you many years of happy and safe boating. Again, thank you for your confidence in Mercury Marine.
Page 3 Mercury Premier Service Mercury evaluates the service performance of its dealers and assigns its highest rating of "Mercury Premier" to those demonstrating an exceptional commitment to service. Earning a Mercury Premier Service rating means a dealer: • Achieves a high 12 month service CSI (Customer Satisfaction Index) score for warranty service.
Page 5: Table Of Contents
Wave And Wake Jumping..............24 Impact With Underwater Hazards............25 Selecting Accessories For Your Outboard..........26 Safe Boating Suggestions..............26 Recording Serial Number...............28 Specifications - 225 Pro XS and 225 Sport XS........28 Special Tools and Kits................29 Component Identification................30 Propeller Selection..................30 Transporting Trailering Boat/Outboard ...............32 Fuel and Oil Avoiding Fuel Flow Restrictions..............
Page 6 TABLE OF CONTENTS Fuel Requirements.................33 Oil Recommendation................34 Filling Remote Oil Tank................35 Filling Engine Mounted Oil Reservoir Tank..........35 Filling Fuel Tank..................36 Features and Controls Remote Control Features...............37 Zero Effort Control Features..............38 Warning System..................38 Overspeed Rev Limit................41 Power Trim And Tilt................41 Power Trim Operation ................42 Power Tilt Operation (Three-Ram Trim Systems)........44 Auxiliary Tilt Switch.................45 Manual Tilt Operation................45...
Page 7 TABLE OF CONTENTS Flushing the Cooling System (Lower Unit)..........59 Top Cowl Removal and Installation............60 Cleaning Care for Top Cowl..............60 Fuel System....................61 Steering Link Rod Fasteners..............63 Fuses .....................65 Corrosion Control Anode................66 Spark Plug Inspection and Replacement..........67 Battery Inspection ..................68 Charging System Fusible Link..............69 Removing the Propeller................69 Installing the Propeller (19 Spline Shafts)..........70 Lubrication Points...................73...
Page 8 TABLE OF CONTENTS Mercury Marine Service Offices.............. 86 Ordering Literature..................87 Maintenance Log Maintenance Log..................88 viii...
Page 9: Warranty Information
Warranty Registration United States And Canada 1. You may change your address at any time, including at time of warranty claim, by calling Mercury Marine or sending a letter or fax with your name, old address, new address, and engine serial number to Mercury Marine’s warranty registration department.
Page 10: Transfer Of Warranty
Attn: Warranty Registration Department W6250 W. Pioneer Road P.O. Box 1939 Fond du Lac, WI 54936-1939 920-929-5054 Fax 920-929-5893 Upon processing the transfer of warranty, Mercury Marine will send registration verification to the new owner of the product by mail.
Page 11: Optimax Outboard Limited Warranty
UNITED STATES AND CANADA Outside the United States and Canada ‑ Check with your local distributor. WHAT IS COVERED: Mercury Marine warrants its new products to be free of defects in material and workmanship during the period described below. DURATION OF COVERAGE: This Limited Warranty provides coverage for...
Page 12 Mercury dealer authorized to service the product. If purchaser cannot deliver the product to such a dealer, written notice must be given to Mercury. We will then arrange for the inspection and any covered repair. Purchaser in that case shall pay for all related transportation charges and/or travel time.
Page 13: Year Limited Warranty Against Corrosion
No individual or entity, including Mercury Marine authorized dealers, has been given authority by Mercury Marine to make any affirmation,...
Page 14 Mercury dealer authorized to service the product. If purchaser cannot deliver the product to such a dealer, written notice must be given to Mercury. We will then arrange for the inspection and any covered repair. Purchaser in that case shall pay for all related transportation charges and/or travel time.
Page 15 Mercury Precision Parts or Quicksilver MerCathode system and/or Galvanic Isolator. Corrosion damage caused by improper application of copper base anti‑fouling paints is also not covered by this limited warranty.
Page 16: Warranty Coverage And Exclusions
WARRANTY INFORMATION Warranty Coverage And Exclusions The purpose of this section is to help eliminate some of the more common misunderstandings regarding warranty coverage. following information explains some of the types of services that are not covered by warranty. The provisions set forth following have been incorporated by reference into the Three Year Limited Warranty Against Corrosion Failure, the International Limited Outboard Warranty, and the United States and Canada Limited Outboard Warranty.
Page 17 8. Use of other than Mercury Precision or Quicksilver parts when making warranty repairs. 9. Oils, lubricants or fluids changed as a matter of normal maintenance...
Page 18: California Emissions Limited Warranty
The regulations apply to all outboard engines sold to retail consumers in California, and which were manufactured for the 2001 model year, and later. Mercury Marine, in compliance with those regulations, provides this limited warranty for the...
Page 19 Purchaser shall not, unless requested by Mercury, ship the product or parts of the product directly to Mercury.
Page 20 Title 13 of the California Code of Regulations) or modified parts not exempted by the California Air Resources Board may be grounds for disallowing a warranty claim, at the discretion of Mercury Marine. Failures of warranted parts caused by the use of a non‑exempted add‑on or modified part will not be covered.
Page 21 If any emission related part on your engine is defective under warranty, the part will be repaired or replaced by Mercury Marine.
Page 22: Star Label
As the outboard engine owner, you should however be aware that Mercury Marine may deny you warranty coverage if your outboard engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
Page 23 WARRANTY INFORMATION Three Stars ‑ Ultra Low Emission The three Star Label identifies engines that meet the Air Resources Board's personal Watercraft and Outboard marine engine 2008 exhaust emissions standards or the Sterndrive and Inboard marine engine 2003‑2008 exhaust emission standards. ob00710 Engines meeting these standards have 65% lower emissions than One Star ‑...
Page 24: General Information
GENERAL INFORMATION Boater's Responsibilities The operator (driver) is responsible for the correct and safe operation of the boat and safety of its occupants and general public. It is strongly recommended that each operator (driver) read and understand this entire manual before operating the outboard. Be sure at least one additional person on board is instructed in the basics of starting and operating the outboard and boat handling in case the driver is unable to operate the boat.
Page 25: Intended Boat Application
Train the operator in high speed boat operation. If you plan to use your outboard on a high speed or high performance boat with which you are unfamiliar, Mercury Marine recommends that you first request training from your dealer or an operator experienced with your boat/outboard combination.
Page 26: Remote Steering Notice
GENERAL INFORMATION WARNING Avoid serious injury or death from a sudden unexpected acceleration when starting your engine. The design of this outboard requires that the remote control used with it must have a built in start in neutral only protection device. ob00308 Remote Steering Notice The steering link rod that connects the steering cable to the engine must...
Page 27: Lanyard Stop Switch
GENERAL INFORMATION Lanyard Stop Switch The purpose of a lanyard stop switch is to turn off the engine when the operator moves far enough away from the operator's position (as in accidental ejection from the operator's position) to activate the switch. A lanyard stop switch can be installed as an accessory ‑...
Page 28: Protecting People In The Water
GENERAL INFORMATION Accidental or unintended activation of the switch during normal operation is also a possibility. This could cause any, or all, of the following potentially hazardous situations: • Occupants could be thrown forward due to unexpected loss of forward motion ‑...
Page 29: Exhaust Emissions
GENERAL INFORMATION Exhaust Emissions BE ALERT TO CARBON MONOXIDE POISONING Carbon monoxide is present in the exhaust fumes of all internal combustion engines. This includes the outboards, sterndrives and inboard engines that propel boats, as well as the generators that power various boat accessories.
Page 30: Passenger Safety Message - Pontoon Boats And Deck Boats
GENERAL INFORMATION WHILE BOAT IS STATIONARY ob00317 Running the engine when the boat is moored in a confined space. Mooring close to another boat that has its engine running. WHILE BOAT IS MOVING ob00318 Running the boat with the trim angle of the bow too high. Running the boat with no forward hatches open.
Page 31 GENERAL INFORMATION 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. ob00312 WARNING Avoid serious injury or death from falling over the front end of a pontoon or deck boat and being run over.
Page 32: Wave And Wake Jumping
GENERAL INFORMATION Wave And Wake Jumping Operating recreational boats over waves and wake is a natural part of boating. However, when this activity is done with sufficient speed to force the boat hull partially or completely out of the water, certain hazards arise, particularly when the boat re‑enters the water.
Page 33: Impact With Underwater Hazards
GENERAL INFORMATION Impact With Underwater Hazards Reduce speed and proceed with caution whenever you drive a boat in shallow water areas, or in areas where you suspect underwater obstacles may exist which could be struck by the outboard or the boat bottom. The most important thing you can do to help reduce injury or impact damage from striking a floating or underwater object is to control the boat speed.
Page 34: Selecting Accessories For Your Outboard
Some accessories not manufactured or sold by Mercury Marine are not designed to be safely used with your outboard or outboard operating system. Acquire and read the installation, operation, and maintenance manuals for all your selected accessories.
Page 35 GENERAL INFORMATION Know and obey all nautical rules and laws of the waterways. Boat operators should complete a boating safety course. Courses are offered in the U.S.A. by 1) The U.S. Coast Guard Auxiliary, 2) The Power Squadron, 3) The Red Cross and 4) your state boating law enforcement agency.
Page 36: Recording Serial Number
20XX XXXX ob00319 Serial number Year manufactured Model year Certified Europe Insignia (as applicable) Model designation Specifications ‑ 225 Pro XS and 225 Sport XS GENERAL Description Specifications Cylinder Configuration 60 degree V6 Propshaft Horsepower Propshaft Kilowatts Engine Weight 229 kg (505 lb.)
Page 37: Special Tools And Kits
GENERAL INFORMATION Description Specifications Overspeed Rev Limit 6300 RPM Engine Displacement 3032 cc (185 cu. in.) Cylinder Bore 92.075 mm (3.625 in.) Stroke 76.2 mm (3.000 in.) Recommended Spark Plug NGK IZFR6J Spark Plug Gap 0.81 mm (0.032 in.) Firing Order 1‑2‑3‑4‑5‑6 Maximum Timing: Controlled by PCM...
Page 38: Component Identification
Conversely, propping the engine at the lower end of the range may increase top boat speed but hinder acceleration. Mercury Marine recommends selecting a propeller that allows the engine to operate in the upper half of the recommended full throttle RPM range with the boat normally loaded (refer to General Information ‑...
Page 39 GENERAL INFORMATION If full throttle operation is below the recommended full throttle 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 or damage.
Page 40: Transporting
TRANSPORTING Trailering Boat/Outboard Ensure that the outboard is in forward gear before trailering. This prevents the propeller from spinning freely during transportation. CAUTION Avoid equipment damage. Always shift the gearcase into gear when the engine is running and is operating at idle. Shifting into gear at engine speeds above idle will damage the gearcase.
Page 41: Fuel And Oil
ETBE). If Ethanol is the oxygenate that is used in the gasoline in your area, refer to the Fuel Containing Alcohol section. These reformulated fuels are acceptable for use in your Mercury engine. 1. Mercury Marine does not recommend using leaded gasoline. Read the information in the Fuel Containing Alcohol section.
Page 42: Oil Recommendation
The fuel system components on your Mercury engine will withstand up to 10% alcohol content in the gasoline. We do not know what percentage your boat’s fuel system will withstand.
Page 43: Filling Remote Oil Tank
FUEL AND OIL TC‑W3 Premium Plus Outboard Oil is a higher grade oil that provides increased lubrication and extra resistance to carbon buildup when used with good or varying grades of gasoline. IMPORTANT: Oil must be NMMA certified TC‑W3 2‑Cycle oil. Periodically consult with your dealer to get the latest gasoline and oil recommendations.
Page 44: Filling Fuel Tank
FUEL AND OIL NOTE: Filling this tank is only necessary if the oil level should ever drop and the low oil warning system is activated. Filling Fuel Tank • Fill fuel tanks outdoors away from heat, sparks, and open flames. •...
Page 45: Features And Controls
FEATURES AND CONTROLS Remote Control Features Your boat may be equipped with one of the Mercury Precision or Quicksilver remote controls shown. If not, consult your dealer for a description of the functions and operations of the remote control. ob00329 Control handle ‑...
Page 46: Zero Effort Control Features
FEATURES AND CONTROLS Zero Effort Control Features 4090 Throttle lever Trim switch Shift lever Warning System The warning system incorporates a warning horn inside the boat. The warning horn may be located inside the remote control or under the dash connected to the ignition key switch.
Page 47 FEATURES AND CONTROLS The warning horn will emit either a continuous beep or intermittent short beeps. This will alert the operator and help identify the following listed situations. Refer to the Troubleshooting section for specific information. For visual display of the specific engine functions and for additional engine data, refer to SmartCraft product information.
Page 48 Failure Temperature Sensor Failure Ignition Coil Failure Injector Failure SMARTCRAFT PRODUCT A Mercury SmartCraft System instrument package can be purchased for this power package. A few functions the instrument packages display are: • Engine RPM • Coolant temp • Water pressure •...
Page 49: Overspeed Rev Limit
FEATURES AND CONTROLS Overspeed Rev Limit The overspeed rev limit is set at an RPM greater than the operating range. In the event that the engine is operated at an RPM greater than or equal to the overspeed limit, the PCM does not allow the engine to maintain the power required.
Page 50: Power Trim Operation
FEATURES AND CONTROLS • The term trim generally refers to the adjustment of the outboard within the first 20° range of travel. • The term tilt generally refers to adjusting the outboard further up out of the water or beyond the transom bracket support. With the engine turned off, the outboard can be tilted out of the water.
Page 51 FEATURES AND CONTROLS • Cause boat porpoising (bouncing) or propeller ventilation. • Cause engine overheating if any cooling water intake holes are above the water line. LIMITING TRIM IN In rare circumstances, the owner may decide to limit the trim in to avoid unsafe handling or steering condistions at planing speeds.
Page 52: Power Tilt Operation (Three-Ram Trim Systems)
FEATURES AND CONTROLS Power Tilt Operation (Three‑Ram Trim Systems) To tilt the outboard, shut off the engine and press the trim/tilt switch or the auxiliary tilt switch (located on the cowl) to the up position. The outboard tilts up until the switch is released or it reaches the maximum tilt position. 1.
Page 53: Auxiliary Tilt Switch
FEATURES AND CONTROLS Auxiliary Tilt Switch This switch can be used to tilt the outboard up or down using the power trim system. or54-1 Auxiliary tilt switch Manual Tilt Operation If the outboard cannot be tilted using the power trim/tilt switch, the outboard can be tilted manually.
Page 54 FEATURES AND CONTROLS 2. Tilt the outboard to the desired position and tighten the manual tilt release valve. NOTE: The manual tilt release valve must be tightened before operating the outboard to prevent the outboard from tilting up during reverse operation.
Page 55: Operation
OPERATION Engine Break‑in CAUTION Severe damage to the engine can result by not complying with the engine break‑in proceedure. Engine damage may not be covered by the limited warranty. WARNING Avoid loss of boat control or an unsafe boat handling situation. Increasing trim under can place greater load on an engine and enhance breakin.
Page 56: Operating In Freezing Temperatures
Wash the outboard exterior and flush out the exhaust outlet of the propeller and gearcase with fresh water after each use. Each month, spray Mercury Precision or Quicksilver Corrosion Guard on external metal surfaces. Do not spray on corrosion control anodes as this will reduce the effectiveness of the anodes.
Page 57: Effects Of Elevation And Weather On Performance
OPERATION Effects of Elevation and Weather on Performance The following conditions lower engine performance and cannot be compensated by the engine fuel or electronic management systems. • Above sea level elevations • High temperature. • Low barometric pressure. • High humidity. These conditions above reduce air density to the engine, which in turn lowers the following: •...
Page 58: Setting Trim Angle While Running Engine At Idle Speed
OPERATION Setting Trim Angle While Running Engine at Idle Speed Submerging the exhaust relief hole on the outboard can happen on some boats if you trim full in while running at idle speed, resulting in, exhaust restriction, rough idle, excessive smoke, and fouled spark plugs. If this condition exists, trim outboard up until exhaust relief hole is out of the water.
Page 59: Starting The Engine
OPERATION Starting The Engine CAUTION Never start or operate your outboard (even momentarily) without water circulating through all the cooling water intake holes in the gearcase to prevent damage to the water pump (running dry) or overheating of the engine. INITIAL STARTING PROCEDURE NOTE: For initial start up of a new engine, or for an engine that ran out of fuel or was drained of fuel, the fuel system should be filled according to the...
Page 60 OPERATION 3. Squeeze the fuel line primer bulb several times until it feels firm. ob00349 4. Set the lanyard stop switch to the "RUN" position. Read the Lanyard Stop Switch safety explanation and warning in the General Information section. ob00350 5.
Page 61 No obstruction may indicate a water pump failure or blockage in the cooling system. These conditions will cause the engine to overheat. Have the outboard checked by your authorized Mercury Marine dealer. Operating the engine while overheated will cause engine...
Page 62: Gear Shifting
OPERATION Gear Shifting CAUTION Avoid equipment damage. Always shift the gearcase into gear when the engine is running and is operating at idle. Shifting into gear at engine speeds above idle will damage the gearcase. Shifting into gear when the engine is not running may cause clutch misalignment, preventing the gearcase from shifting into gear.
Page 63: Maintenance
Mercury recommends using original Mercury Precision replacement parts and lubricants. EPA Emissions Regulations All new outboards manufactured by Mercury Marine are certified to the United States Environmental Protection Agency, as conforming to the requirements of the regulations for the control of air pollution from new outboard motors.
Page 64: Inspection And Maintenance Schedule
MAINTENANCE EMISSION CERTIFICATION LABEL An emission certification label, showing emission levels and engine specifications directly related to emissions, is placed on the engine at time of manufacture. ob00366 Idle speed Family number Engine horsepower Maximum emission output for the engine family Piston displacement Timing specification Date of manufacture...
Page 65 MAINTENANCE AFTER EACH SALTWATER OR POLLUTED WATER USE • Flush all internal passages with fresh water. • Wash the power package exterior (cowl, mid section, and gearcase) with fresh water. • Flush the propeller and gearcase exhaust outlet with fresh water. •...
Page 66: Flushing The Cooling System (Powerhead)
MAINTENANCE • Remove engine deposits with Power Tune Engine Cleaner. EVERY 100 HOURS OR ONCE A YEAR, WHICHEVER OCCURS FIRST • Replace water pump impeller (more often if overheating occurs or reduced water pressure is noted). • Use QuicKleen in fuel. EVERY 100 HOURS OF OPERATION •...
Page 67: Flushing The Cooling System (Lower Unit)
MAINTENANCE Flushing the Cooling System (Lower Unit) WARNING To avoid possible injury when flushing, remove the propeller. Refer to Propeller Replacement. or37-1 Fleet Master and Torque Water hose Master gearcase Flushing attachments Sport Master gearcase 1. Remove the propeller. Refer to Propeller Replacement. 2.
Page 68: Top Cowl Removal And Installation
MAINTENANCE Top Cowl Removal and Installation REMOVAL Release the front and side cowl latches. Lift the top cowl from the outboard. or38 INSTALLATION Position the top cowl over the engine. Make sure the bottom rubber seal fits properly and lock the front and side latches. Cleaning Care for Top Cowl IMPORTANT: Dry wiping (wiping the plastic surface when it is dry) will result in minor surface scratches.
Page 69: Fuel System
MAINTENANCE Fuel System FUEL SYSTEM SERVICE INFORMATION WARNING Avoid serious injury or death from gasoline fire or explosion. Carefully follow all fuel system service instructions. Always stop the engine and do not smoke or allow open flames or sparks in the area while servicing any part of the fuel system.
Page 70 MAINTENANCE Removal or39-1 O‑ring seals Filter Raised bosses 1. Disconnect the link rod. 2. Use the shaft of a screwdriver between the filter cap bosses and unscrew the filter. Installation 1. Lubricate the o‑ring seals with oil. 2. Install the fuel filter and tighten securely. 3.
Page 71: Steering Link Rod Fasteners
MAINTENANCE DRAINING WATER FROM THE FUEL FILTER CHAMBER NOTE: If a sufficient amount of water has accumulated in the fuel filter chamber, the warning system will turn on. Draining the water from the fuel filter chamber is required. 1. Pull the drain hose off the right side fitting. Hold open end of the hose over a container.
Page 72 MAINTENANCE WARNING Disengagement of a steering link rod can result in the boat taking a full, sudden, sharp turn. This potentially violent action can cause occupants to be thrown overboard exposing them to serious injury or death. WARNING Avoid equipment damage, serious injury or death. Visually inspect all steering attachment components for wear, lubricate all attachment hardware, and check for proper torque tightness in accordance with the inspection and maintenance schedule.
Page 73: Fuses
MAINTENANCE Description lb. in. lb. ft. Special washer head bolt Fuses IMPORTANT: Always carry spare 5 and 20 amp fuses. The electrical wiring circuits on the engine are protected from overload by fuses in the wiring. If a fuse is blown, try to locate and correct the cause of the overload.
Page 74: Corrosion Control Anode
CAUTION Avoid corrosion damage. Mercury Marine recommends using anodes sold through Mercury Precision Parts only. Some other manufacturers of aluminum anodes use alloys that are insufficiently pure to adequately protect critical drive components for the duration of the anodes' expected life.
Page 75: Spark Plug Inspection And Replacement
MAINTENANCE Spark Plug Inspection and Replacement WARNING Avoid serious injury or death from fire or explosion caused by damaged spark plug boots. Damaged spark plug boots can emit sparks. Sparks can ignite fuel vapors under the engine cowl. To avoid damaging spark plug boots, do not use any sharp object or metal tool such as pliers, screwdriver, etc.
Page 76: Battery Inspection
MAINTENANCE 3. Set the spark plug gap to specifications. ob00680 Spark Plug Gap 0.81 mm (0.032 in.) 4. Before installing spark plugs, clean off any dirt on the spark plug seats. Install plugs finger tight, and then tighten 1/4 turn or torque to specifications.
Page 77: Charging System Fusible Link
If the fusible link circuit becomes open, contact your authorized Mercury Marine dealer. 59364 Removing the Propeller WARNING Avoid possible serious injury or death.
Page 78: Installing The Propeller (19 Spline Shafts)
MAINTENANCE 1. Shift outboard to neutral. ob00351 2. Remove the spark plug leads to prevent the engine from starting. ob00375 3. Straighten the bent tabs on the propeller nut retainer (if applicable). 4. Place a block of wood between the gearcase and the propeller to hold the propeller and remove the propeller nut.
Page 79 This may result in internal powerhead damage. Applications using 19 spline propeller shafts require the Heavy‑Duty Propeller Hub kit, included with most Mercury Racing propellers. Before installing the propeller: 1. Set the remote control into the neutral position.
Page 80 MAINTENANCE Tube Ref No. Description Where Used Part No. 92-802867A Anti-Corrosion Grease Propeller shaft splines 3. Place a block of wood between the gearcase and propeller and torque the propeller nut. or119 Description lb. in. lb. ft. Propeller nut 4. Place the safety stop switch into the "RUN" position.
Page 81: Lubrication Points
MAINTENANCE Lubrication Points 7723 Tube Ref No. Description Where Used Part No. Special Lubricant 101 Trim Rod Ball Ends 92-802865A1 Prop Shaft, Swivel 2-4-C Marine Lubricant Bracket, Tilt Support 92-802859A1 with Teflon Lever, Tilt Tube NOTE: Turn the ball ends to work the lubricant into the ball sockets. Lubricate through fittings.
Page 82: Checking Trim System Fluid Level
MAINTENANCE WARNING The end of the steering cable must be fully retracted into the outboard tilt tube before adding lubricant. Adding lubricant to steering cable when fully extended could cause steering cable to become hydraulically locked. A hydraulically locked steering cable will cause loss of steering control, possibly resulting in serious injury or death.
Page 83 MAINTENANCE 1. Tilt the outboard to the full up position and engage the tilt support lever. or113 Tilt support lever 2. Remove the fill cap and check the fluid level, which should be even with the bottom of the fill hole. If necessary, add Power Trim & Steering Fluid.
Page 84: Gearcase Lubricant
MAINTENANCE Gearcase Lubricant CHECKING/REFILLING GEARCASE LUBRICANT or49-1 SportMaster gearcase Vent plug and sealing washer (vertical operating position) Fill/drain hole Fleet/Torque Master Fill/drain plug gearcase (vertical operating position) Vent hole Tube Ref. No. Description Where Used Part Number High Performance Gear Lube Fill/Drain Hole 92‑802854A1 1.
Page 85 MAINTENANCE 7. Remove lubricant tube and reinstall cleaned (lower) fill/drain plug and sealing washer. Water in gear lubricant may: • Settle to bottom and drain out with the lubricant • Be mixed with lubricant giving a milky color to lubricant Water in gear lubricant will: •...
Page 86: Storage
Precision Quickleen products as described on their containers to the fuel tank before the last operation of the boat. Adding Fuel Stabilizer will help prevent the formation of varnish and gum in the gasoline. The Mercury Precision Quickleen product will help clean and lubricate the fuel injectors.
Page 87 STORAGE NOTE: If little or no liquid drains from the hose, loosen the red filter to vent the chamber. ob01352 Drain screw Drain hose Right side fitting 4. Re‑tighten drain screw and re‑attach hose. 5. Pull the drain hose off the left side fitting. Hold the open end of the hose over a container and loosen drain screw and drain the float chamber.
Page 88: Protecting Internal Engine Components
• 8 cc (0.27 oz.) or 2 teaspoons of Mercury Precision Quickleen lubricant. • 8 cc (0.27 oz.) or 2 teaspoons of Mercury Precision Fuel Stabilizer. 7. Remove the fuel filter. Refer to Maintenance ‑ Fuel System. 8. Pour mixture into the fuel filter opening.
Page 89: Positioning Outboard For Storage
STORAGE Positioning Outboard For Storage Store outboard in an upright (vertical) position to allow water to drain out of outboard. CAUTION If outboard is stored tilted up in freezing temperature, trapped cooling water or rain water that may have entered the propeller exhaust outlet in the gearcase could freeze and cause damage to the outboard.
Page 90: Troubleshooting
TROUBLESHOOTING Starter Motor Will Not Crank the Engine POSSIBLE CAUSES • Blown 20 amp fuse in the starting circuit. Refer to Maintenance. • Outboard is not shifted to neutral position. • Weak battery or battery connections are loose or corroded. •...
Page 91: Performance Loss
TROUBLESHOOTING b. Fuel tank filter obstructed. c. Stuck anti‑siphon valve on built in fuel tank. d. Fuel line is kinked or pinched. e. Injector plugged. • Threaded connection of an air hose is loose. • Fuel pump failure. • Ignition system component failure. Performance Loss POSSIBLE CAUSES •...
Page 92: Warning Horn Activates (No Power Loss)
TROUBLESHOOTING • Engine speed exceeds the maximum‑allowable RPM. The system limits the engine to within the allowable range. If the overspeed condition continues, Guardian places the engine into power reduction. Overspeed may be caused by incorrect propeller pitch, engine height, trim angle, etc. •...
Page 93: Owner Service Assistance
2. Should you have a question, concern, or problem that cannot be resolved by your dealership, please contact Mercury Marine Service Office for assistance. Mercury Marine will work with you and your dealership to resolve all problems. The following information will be needed by the service office: •...
Page 94: Mercury Marine Service Offices
OWNER SERVICE ASSISTANCE Mercury Marine Service Offices For assistance, call, fax, or write. Please include your daytime telephone number with mail and fax correspondence. United States Telephone (920) 929‑5040 Mercury Marine W6250 W. Pioneer Road (920) 929‑5893 P.O. Box 1939 Website www.mercurymarine.com...
Page 95: Ordering Literature
Horsepower: Serial Number: Model year: 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: MERCURY MARINE Telephone Mail Mercury Marine Attn: Publications Department (920) 929‑5110...
Page 96: Maintenance Log
MAINTENANCE LOG Maintenance Log Record all maintenance performed on your outboard here. Be sure to save all work orders and receipts. Date Maintenance Performed Engine Hours...

This manual is also suitable for:

225 sport xs optimax

Mercury 225 Pro XS User Manual

Quick Links

Need help?

Questions and answers

Related Manuals for Mercury 225 Pro XS

Summary of Contents for Mercury 225 Pro XS

This manual is also suitable for:

Table of Contents