Yamaha E40X Owner's Manual
  1. Manuals
  2. Brands
  3. Yamaha Manuals
  4. Outboard Motor
  5. E40X
  6. Owner's manual

Yamaha E40X Owner's Manual

Hide thumbs Also See for E40X:
Table of Contents

Advertisement

Quick Links

See also: Service Manual
E40X
40X
OWNER'S MANUAL
66T-28199-29-E0

Advertisement

Table of Contents
loading

Related Manuals for Yamaha E40X

Summary of Contents for Yamaha E40X

  • Page 1 E40X OWNER’S MANUAL 66T-28199-29-E0...
  • Page 2 EMU25051 Read this owner’s manual carefully before operating or working on your outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.

  • Page 3: Important Manual Information

    Yamaha. If you have any question about the Some countries have laws or regulations re- operation or maintenance of your outboard stricting users from taking the product out of motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents General information ......1 Start-in-gear protection ....10 Basic components ......11 Identification numbers record..1 Outboard motor serial number ..1 Main components ......11 Key number........1 Fuel tank ......... 12 EC label........... 1 Fuel joint.......... 12 C-Tick label ........
  • Page 5 Table of contents chart (25:1) ........24 Storing outboard motor ....49 Procedure for pre-mixed models..24 Procedure........49 Pre-operation checks ....25 Lubrication........50 Fuel ..........25 Battery care ........51 Oil............ 25 Cleaning the outboard motor... 51 Controls........... 25 Checking painted surface of Stop switches ........
  • Page 6 Table of contents Treatment of submerged motor..73 Procedure ........73...

  • Page 7: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto- len. 1. Key number...

  • Page 8: C-Tick Label

    General information EMU25221 Emission control information EMU25310 U.S. insular areas Engines affixed with the label pictured below conform to U.S. Environmental Protection Agency (EPA) regulations for marine SI en- gines. See the label affixed to your engine for details. ZMU01696 EMU25322 Approval label of emission control certif- icate...

  • Page 9: Important Labels

    General information ZMU04904 ZMU03029 EMU25401 1. Manufactured date label location Label EWM01260 WARNING Be sure shift control is in neutral before starting engine. (except 2HP) Do not touch or remove electrical parts when starting or during operation. Keep hands, hair, and clothes away from flywheel and other rotating parts while engine is running.
  • Page 10 General information EMU30480 Label ECM01450 CAUTION: Use premix fuel only.

  • Page 11: Safety Information

    Safety information EMU33621 Severe injury could occur if the outboard mo- Safety information tor accidentally falls. Observe these precautions at all times. EMU33670 Engine shut-off cord EMU33630 Rotating parts Attach the engine shut-off cord so that the Hands, feet, hair, jewelry, clothing, PFD engine stops if the operator falls overboard straps, etc.

  • Page 12: Carbon Monoxide

    Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han- recommends that you must wear a PFD dling and lead to an accident, capsizing or whenever boating.

  • Page 13: Weather

    Safety information Avoid sharp turns or other maneuvers that make it hard for others to avoid you or un- derstand where you are going. Avoid areas with submerged objects or shallow water. Ride within your limits and avoid aggres- sive maneuvers to reduce the risk of loss of control, ejection, and collision.

  • Page 14: Basic Requirements

    10% and sources of ignition. the fuel meets minimum octane ratings. Stop engine before refueling. Yamaha does not recommended gasohol Refuel in a well-ventilated area. Refuel containing methanol because it can cause portable fuel tanks off the boat.

  • Page 15: Remote Control Requirements

    Install an optional Rectifier Regulator or use your Yamaha dealer. accessories rated to withstand 18 volts or higher with the above models. Consult your EMU25693 Battery requirement Yamaha dealer for details on installing an ECM01061 optional Rectifier Regulator. CAUTION: EMU34190 Propeller selection...

  • Page 16: Start-In-Gear Protection

    Your Yamaha dealer can help you select the right propeller for your boating needs. Select a propeller that will allow the engine to reach the middle or upper half of the operating range at full throttle with the maximum boat- load.

  • Page 17: Basic Components

    Basic components EMU2579B Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. E40X, 40X 11 12 ZMU03031 1. Top cowling 15. Tiller handle* 2. Top cowling lock lever 16.

  • Page 18: Fuel Tank

    Basic components EMU25802 EMU25860 Fuel tank Air vent screw If your model was equipped with a portable This screw is on the fuel tank cap. To loosen fuel tank, its function is as follows. the screw, turn it counterclockwise. EWM00020 EMU26180 Remote control WARNING...

  • Page 19: Neutral Interlock Trigger

    Basic components when the remote control lever is in neutral. The remote control lever will operate only when the neutral throttle lever is in the closed position. 1. Neutral “ ” 2. Forward “ ” 3. Reverse “ ” 4. Shift 5.

  • Page 20: Gear Shift Lever

    Basic components ZMU03034 ZMU03032 EMU25922 EMU25961 Gear shift lever Throttle indicator Pulling the gear shift lever towards you puts The fuel consumption curve on the throttle the engine in forward gear so that the boat indicator shows the relative amount of fuel moves ahead.

  • Page 21: Engine Shut-Off Switch

    Basic components there is too much resistance, it could be arm or leg while operating. difficult to move the remote control lever Do not attach the cord to clothing that or throttle grip, which could result in an could tear loose. Do not route the cord accident.

  • Page 22: Engine Stop Button

    Basic components EMU26001 Engine stop button To open the ignition circuit and stop the en- gine, push this button. ZMU03037 EMU26080 Starter button To start the engine with the electric starter, ZMU02083 push the starter button. EMU26011 Choke knob for pull type To supply the engine with the rich fuel mix- ture required to start, pull out this knob.

  • Page 23: Steering Friction Adjuster

    Basic components EMU31432 1. Nut Steering friction adjuster A friction device provides adjustable resis- Nut tightening torque: tance to the steering mechanism, and can be 3.9 Nm (2.9 ft-lb) (0.4 kgf-m) set according to operator preference. An ad- juster lever is located on the bottom of the NOTE: tiller handle bracket.

  • Page 24: Power Trim And Tilt Switch On Remote

    Basic components To increase resistance, turn the adjuster force. clockwise. EWM00840 WARNING To decrease resistance, turn the adjuster An improperly adjusted trim tab could counterclockwise. cause difficult steering. Always test run EWM00040 WARNING after the trim tab has been installed or re- Do not overtighten the friction adjuster.

  • Page 25: Tilt Lock Mechanism

    Basic components relation to the transom. ZMU03042 ZMU03040 ECM00660 CAUTION: EMU30530 Tilt lock mechanism Do not use the tilt support lever or knob The tilt lock mechanism is used to prevent when trailering the boat. The outboard the outboard motor from lifting out of the wa- motor could shake loose from the tilt sup- ter when in reverse gear.

  • Page 26: Top Cowling Lock Lever(S) (Turn Type)20

    ECM00090 CAUTION: EMU26590 Speedometer Do not continue to operate the engine if a This gauge shows the boat speed in km/h warning device has activated. Consult and mph. your Yamaha dealer if the problem can- not be located and corrected.

  • Page 27: Overheat Warning

    Basic components EMU26817 Overheat warning This engine has an overheat-warning de- vice. If the engine temperature rises too high, the warning device will activate. Activation of warning device The engine speed will automatically de- crease to about 2000 r/min. ZMU04585 If equipped with an overheat-warning indi- cator, it will light or blink.

  • Page 28: Operation

    Operation EMU26902 Installation The information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Prop- er mounting depends in part on experience and the specific boat and motor combination. EWM01590 WARNING ZMU01760...

  • Page 29: Clamping The Outboard Motor

    Test runs at different heights can help de- cable attachment and the other to a se- termine the optimum mounting height. cure mounting point on the boat. Other- Consult your Yamaha dealer or boat man- wise the engine could be completely lost...

  • Page 30: Breaking In Engine

    (25:1) Secure the clamp bracket to the transom using the bolts provided with the out- board (if packed). For details, consult your Yamaha dealer. EWM00650 WARNING Avoid using bolts, nuts or washers other than those contained in the engine pack- aging.

  • Page 31: Pre-Operation Checks

    Make sure there are no fuel leaks or gaso- WARNING line fumes. Gasoline and its vapors are highly flam- Check fuel line connections to be sure they mable and explosive. Keep away from are tight (if equipped Yamaha fuel tank or sparks, cigarettes, flames, or other boat tank).

  • Page 32: Gasoline And Oil Mixing (100:1)

    Remove the fuel tank cap. Fill the fuel tank carefully. Close the cap securely after refueling. Wipe up any spilled fuel. Fuel tank capacity (if equipped Yamaha fuel tank): 24 L (6.34 US gal) (5.28 Imp.gal) ZMU02834 EMU27405 Gasoline and oil mixing (100:1) 1.

  • Page 33: Operating Engine

    Operation built-in fuel tank. orless, odorless gas which could cause brain damage or death when inhaled. ECM00811 CAUTION: Symptoms include nausea, dizziness, Avoid using any oil other than the spec- and drowsiness. Keep cockpit and cab- ified type. in areas well ventilated. Avoid blocking Use a thoroughly blended fuel-oil mix- exhaust outlets.

  • Page 34: Starting Engine

    Operation ter near you. EMU27506 Manual start models (tiller control) Place the gear shift lever in neutral. ZMU02024 If a steering friction adjuster is provided on your outboard motor, securely attach the fuel line to the fuel line clamp. ZMU03045 NOTE: NOTE: During engine operation place the tank hori-...
  • Page 35 Operation the engine will run poorly or stall. Pull the manual starter handle slowly un- til you feel resistance. Then give a strong pull straight out to crank and start the engine. Repeat if necessary. ZMU02026 Place the throttle grip in the “ ”...
  • Page 36 Operation amount and try to start the engine again. If the engine still fails to start, see page 67. EMU27563 Electric start models Place the gear shift lever in neutral. ZMU02026 Place the throttle grip in the “ ” (start) position. After the engine starts, return the throttle to the fully closed po- sition.
  • Page 37 Operation If the choke knob is left in the “ ” (start) position while the engine is running, the engine will run poorly or stall. Push the starter button to start the mo- tor. (Repeat if necessary.) ZMU02962 NOTE: When the engine is cold, it needs to be warmed up.
  • Page 38 Operation cure place on your clothing, or your arm or leg. Then install the clip on the other end of the cord into the engine shut-off switch. EWM00121 WARNING Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg while operating.
  • Page 39 Operation tral. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Then install the clip on the other end of the cord into the engine shut-off switch. EWM00121 WARNING Attach the engine shut-off cord to a se- cure place on your clothing, or your After the engine starts, slowly return the arm or leg while operating.
  • Page 40 Operation pressed in. START ZMU01880 ZMU02315 Open the throttle slightly without shifting NOTE: using the neutral throttle lever or free ac- celerator. You may need to change the It is not necessary to use the choke when throttle opening slightly depending on starting a warm engine.

  • Page 41: Warming Up Engine

    Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located 1. Neutral interlock trigger and corrected.
  • Page 42 Operation ZMU03060 ZMU02030 After the engine is at idle speed in gear move the remote control lever / gear shift lever firmly and crisply into the neu- tral position. ZMU05737 To shift from in gear (forward/reverse) to neutral Close the throttle so that the engine slows to idle speed.

  • Page 43: Stopping Boat

    Operation ZMU02083 ZMU03064 EMU31742 Stopping boat EWM01510 WARNING Do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat.

  • Page 44: Trimming Outboard Motor

    Operation ZMU02301 Remove the key if the boat will be left unattended. NOTE: The engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main switch to “ ”...

  • Page 45: Adjusting Trim Angle (Power Trim And Tilt)

    Operation EMU27883 Adjusting trim angle (Power trim and tilt) EWM00752 WARNING Be sure all people are clear of the out- board motor when adjusting the tilt an- gle. Body parts can be crushed between the motor and the clamp ZMU03063 bracket when the motor is trimmed or tilted.

  • Page 46: Adjusting Boat Trim

    Operation angles to find the position that works best for your boat and operating conditions. EMU27911 Adjusting boat trim When the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees.

  • Page 47: Procedure For Tilting Up (Manual Tilt Models)

    Operation duce salt corrosion. the release/up position. EWM00221 WARNING Be sure all people are clear of the out- board motor when tilting up and down, Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted. EWM00250 WARNING ZMU03066...

  • Page 48: Procedure For Tilting Up (Power Trim And Tilt Models)

    Operation EMU32722 Procedure for tilting up (power trim and tilt models) Place the remote control lever in neutral. ZMU02812 EWM00261 WARNING After tilting the outboard motor, be sure to support it with the tilt support knob or Press the power trim and tilt switch “ ”...

  • Page 49: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation EMU33120 Procedure for tilting down (power trim and tilt models) Push the power trim and tilt switch “ ” (up) until the outboard motor is support- ed by the tilt rod and the tilt support knob becomes free. Pull out the tilt support knob. ZMU04851 If equipped with a tilt support knob: Pull it out, then slowly tilt the engine down.
  • Page 50 Operation position as soon as the boat is back in deeper water. ECM00260 CAUTION: Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set- ting up for and cruising in shallow water.

  • Page 51: Power Trim And Tilt Models

    Procedure for power trim and tilt Cruising in muddy or turbid water Place the remote control lever in neutral. Yamaha strongly recommends that you use the optional chromium-plated water pump kit (available for V4 and large engines) if you use the outboard motor in water with a lot of...
  • Page 52 Operation sediment in it, such as muddy or other turbid (cloudy) water. Cruising in acidic water Water in some areas can be acidic. After op- erating in such water, flush the cooling pas- sages with fresh water to prevent corrosion. Also rinse the outside of the outboard motor with fresh water.

  • Page 53: Maintenance

    Maintenance EMU31480 Full throttle operating range: Specifications 4500–5500 r/min NOTE: Maximum output: 29.4 kW@5000 r/min (40 HP@5000 “(AL)” stated in the specification data below r/min) represents the numerical value for the alumi- Idling speed (in neutral): num propeller installed. 1000 ±50 r/min Likewise, “(SUS)”...

  • Page 54: Transporting And Storing Outboard Motor

    Maintenance 40XWT 6.0 A E40XMH 92.2 dB(A) E40XWH 6.0 A E40XWH 92.2 dB(A) Drive unit: Sound power level (ICOMIA 39/94 and Gear positions: 40/94): Forward-neutral-reverse E40XMH 100.0 dB(A) Gear ratio: E40XWH 100.0 dB(A) 2.00 (26/13) Vibration on tiller handle (ICOMIA 38/94): Trim and tilt system: E40XMH Vibration on tiller handle is 40XWT Power trim and tilt...

  • Page 55: Clamp Screw Mounting Models

    Yamaha dealer sition using a motor support device such as prior to storage. However, you, the owner, a transom saver bar. Consult your Yamaha with a minimum of tools, can perform the fol- dealer for further details.

  • Page 56: Lubrication

    Do not touch or remove electrical parts Seal replacement should be performed when starting or during operation. by an authorized Yamaha dealer prior to Keep hands, hair, and clothes away use. from the flywheel and other rotating Grease all grease fittings.

  • Page 57: Battery Care

    Follow the manual of the battery for the han- more likely to corrode. If necessary, clean dling of the battery. Batteries vary among and paint the areas. A touch-up paint is avail- manufacturers. Therefore the following pro- able from your Yamaha dealer.

  • Page 58: Periodic Maintenance

    Be sure to turn off the engine when you perform maintenance unless otherwise specified. If you are not familiar with ma- chine servicing, this work should be done by your Yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emission control devices and sys-...

  • Page 59: Maintenance Chart

    When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every 50 hours Item...

  • Page 60: Maintenance Chart (Additional)

    Maintenance Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) Inspection / replace- Water pump ment Cleaning / adjustment / Spark plug(s) replacement EMU28874 Maintenance chart (additional) Every Item Actions 500 hours (2.5 years) 1000 hours (5 years) Exhaust guide, exhaust Inspection / replace-...

  • Page 61: Greasing

    Maintenance EMU28941 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) E40XMH, E40XWH ZMU03074...

  • Page 62: Cleaning And Adjusting Spark Plug

    EWM01550 Instead, take the outboard motor to a WARNING Yamaha dealer. You should periodically re- The engine will still be very hot when it move and inspect the spark plug because has just been turned off. Take extremely...

  • Page 63: Checking Fuel System

    Improper repairs can make the outboard unsafe to operate. Check the fuel lines for leaks, crack, or mal- function. If a problem is found, your Yamaha 1. Spark plug gap dealer or other qualified mechanic should re- 2. Spark plug I.D. mark (NGK) pair it immediately.

  • Page 64: Inspecting Fuel Filter

    If any water is found in the If you have any question about properly fuel, the Yamaha portable fuel tank or doing this procedure, consult your other fuel tanks should be checked and Yamaha dealer.

  • Page 65: Inspecting Idling Speed

    If you have difficulty ver- 1. Filter cup ifying the idle speed, or the idle speed re- 2. Filter element quires adjustment, consult a Yamaha dealer 3. Filter housing or other qualified mechanic. 4. O-ring Verify whether the idle speed is set to Reinstall the filter element in the cup.

  • Page 66: Checking Power Trim And Tilt System

    ZMU02876 completely. Check that the trim and tilt rod is free of corrosion or other flaws. Tilt the outboard motor down. Check that the trim and tilt rod operates smoothly. NOTE: Consult your Yamaha dealer if any operation...

  • Page 67: Removing Propeller

    EMU30661 eration and be lost. Removing propeller EMU29196 Apply Yamaha marine grease or a cor- Spline models rosion resistant grease to the propeller Straighten the cotter pin and pull it out shaft. using a pair of pliers.

  • Page 68: Changing Gear Oil

    Be sure the outboard motor is securely into the gear case which can cause gear fastened to the transom or a stable damage. Consult a Yamaha dealer for re- stand. You could be severely injured if pair of the lower unit seals.

  • Page 69: Cleaning Fuel Tank

    EMU29312 Inspecting and replacing anode(s) If you have any question about properly Yamaha outboard motors are protected from doing this procedure, consult your corrosion by sacrificial anodes. Inspect the Yamaha dealer. external anodes periodically. Remove scales Keep away from sparks, cigarettes, from the surfaces of the anodes.

  • Page 70: Checking Battery (For Electric Start Models)

    Antidote (EXTERNAL): anodes on equipped models. Consult a SKIN - Flush with water. Yamaha dealer for inspection and replace- EYES - Flush with water for 15 minutes ment of internal anodes attached to the pow- and get immediate medical attention.

  • Page 71: Connecting The Battery

    NOTE: 1. Red cable Consult a Yamaha dealer when charging or 2. Black cable re-charging batteries. 3. Battery EMU29332...

  • Page 72: Coating The Boat Bottom

    Maintenance ZMU04678 EMU29400 Coating the boat bottom A clean hull improves boat performance. The boat bottom should be kept as clean of ma- rine growth as possible. If necessary, the boat bottom can be coated with an anti-foul- ing paint approved for your area to inhibit marine growth.

  • Page 73: Trouble Recovery

    Therefore some items may not apply to your model. Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble-warning indicator is Q. Are spark plug(s) fouled or of incorrect flashing, consult your Yamaha dealer.
  • Page 74 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
  • Page 75 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.

  • Page 76: Temporary Action In Emergency

    Q. Is steering pivot loose or damaged? EWM00630 A. Tighten or have serviced by a Yamaha WARNING dealer. Be sure to use the specified fuse. An in-...

  • Page 77: Power Trim And Tilt Will Not Operate

    Trouble Recovery er), the engine can be started with an emer- gency starter rope. EWM01022 WARNING Use this procedure only in an emergen- cy to return to the nearest port for re- pairs. When the emergency starter rope is used to start the engine, the start-in- ZMU03081 gear protection device does not oper- ate.

  • Page 78: Emergency Starting Engine

    Trouble Recovery the engine is running. equipped. Do not touch the ignition coil, spark plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor. You could get an electrical shock. EMU29562 Emergency starting engine Remove the top cowling.

  • Page 79: Treatment Of Submerged Motor

    Treatment of submerged motor emergency starter rope. If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard...
  • Page 80 Trouble Recovery dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor until it has been completely inspected.
  • Page 82 YAMAHA MOTOR CO., LTD. Printed in Japan April 2007–0.5 × 1 ! Printed on recycled paper...

This manual is also suitable for:

40x

Table of Contents