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Summary of Contents for Yamaha F375A
- Page 1 F375A FL375A F425A FL425A OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 6GR-28199-K5-E0...
- Page 2 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.
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Page 3: Important Manual Information
If EMU25108 To the owner there is any question concerning this manual, Thank you for selecting a Yamaha outboard please consult your Yamaha dealer. motor. This Owner’s Manual contains infor- To ensure long product life, Yamaha recom-... -
Page 4: Table Of Contents
Table of contents Digital electronic control Safety information......1 requirements......12 Outboard motor safety....1 Battery requirements ....13 Propeller ..........1 Battery specifications....... 13 Rotating parts........1 Propeller selection ......14 Hot parts ..........1 Electric shock........1 Counter rotation models ....14 Power trim and tilt ...... - Page 5 Table of contents Tilt support lever for power trim and Checks after starting engine..54 tilt model ........30 Cooling water ........54 Cowling lock lever ......31 Warming up engine....... 55 Flushing device ........ 31 Procedure for warming up engine..55 Fuel filter...........
- Page 6 Table of contents Inspecting spark plug....... 78 Inspecting engine idle speed ... 78 Changing engine oil......78 Why Yamalube ......... 78 Inspecting wiring and connectors ..78 Inspecting propeller ......79 Removing propeller ......79 Installing propeller ......80 Changing gear oil ......80 Inspecting and replacing anode(s) ...
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Page 7: Safety Information
Safety information EMU33623 EMU33662 Outboard motor safety Power trim and tilt Body parts can be crushed between the mo- Observe these precautions at all times. tor and the clamp bracket when the motor is trimmed or tilted. Keep body parts out of this EMU36502 Propeller area at all times. -
Page 8: Gasoline
Have an approved PFD on board for every Gasoline exposure and spills Take care not to spill gasoline. If gasoline occupant. Yamaha recommends that you spills, wipe it up immediately with dry rags. must wear a PFD whenever boating. At a Dispose of rags properly. -
Page 9: Overloading
Avoid sharp turns or other maneuvers that speed and have a Yamaha dealer inspect the make it hard for others to avoid you or un- outboard motor. derstand where you are going. -
Page 10: Weather
Safety information EMU33791 Weather Stay informed about the weather. Check weather forecasts before boating. Avoid boating in hazardous weather. EMU33881 Passenger training Make sure at least one other passenger is trained to operate the boat in the event of an emergency. -
Page 11: 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 12: Compliance Mark Label
General information 1. Compliance mark label location 1. CE marking location Regulatory Compliance Mark (RCM) Engines affixed with this mark conform to certain portion(s) of the Australian Radio Communications Act. 0026 1521 6EE-43394-90 CE marking Outboard motors affixed with this “CE” mark- ZMU08190 conform with... -
Page 13: Read Manuals And Labels
Read any manuals supplied with the boat. Read all labels on the outboard motor and the boat. If you need any additional information, contact your Yamaha dealer. EMU33836 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. - Page 14 General information 6EE-H1994-40 6EE-G2794-40 6EE-H1994-50 6EE-G2794-50 WARNING Vapor separator tank (VST) contains pressurized fuel. To reduce the risk of spraying fuel during VST service: 1. Wrap fuel hose connector in a cloth then disconnect hose slowly to release pressure. 2. Remove band from fuel nipple. 3.
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Page 15: Engine Data Recording
ZMU05664 Yamaha will not disclose this data to a third party except in the following cases. In addi- tion, Yamaha may provide engine data to a contractor in order to outsource services re-... - Page 16 General information in this case, Yamaha will require the contrac- tor to properly handle the engine data we provided and Yamaha will appropriately manage the data. With the consent of the boat owner Where obligated by law For use by Yamaha in litigation ...
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Page 17: Specifications And Requirements
Specifications and requirements Bore × stroke: EMU40501 Specifications 96.0 × 96.0 mm (3.78 × 3.78 in) TIP: Ignition system: “(SUS)” indicates that the specification is for the outboard motor when it is equipped with Spark plug (NGK): a stainless steel propeller. ILMAR7E-9 Spark plug gap: EMU48361... -
Page 18: Installation Requirements
Specifications and requirements Fuel and oil: EMU33556 Installation requirements Recommended fuel: Premium unleaded gasoline EMU33566 Min. pump octane number (PON): Boat horsepower rating EWM01561 Min. research octane number (RON): Overpowering a boat can cause severe in- Recommended engine oil: stability. YAMALUBE 4 or 4-stroke outboard Before installing the outboard motor(s), con- motor oil... -
Page 19: Battery Requirements
The battery cable size and length are critical. the used outboard motor is replaced If the ECM (Electronic control module) of Consult your Yamaha dealer about the bat- tery cable size and length. the digital electronic control unit is re-... -
Page 20: Propeller Selection
2. Propeller pitch in inches pellers for every Yamaha outboard motor and 3. Type of propeller (propeller mark) every application. Your Yamaha dealer can help you select the EMU36313 Counter rotation models right propeller for your boating needs. Select Standard outboard motors rotate clockwise. -
Page 21: Engine Oil Requirements
7.8 L (8.24 US qt, 6.86 Imp.qt) or premium unleaded fuel. If oil grades listed under Recommended en- Yamaha recommends that you use alcohol- gine oil grade 1 are not available, select an al- free gasoline (see Gasohol) whenever possi-... -
Page 22: Anti-Fouling Paint
Waterproof flashlight with extra batteries. can cause fuel system damage or cause en- An extra engine shut-off cord (lanyard) with gine starting and running problems. Yamaha clip. does not recommend gasohol containing Spare parts, such as an extra set of spark methanol because it can cause fuel system plugs. - Page 23 AND U.S. EPA EXHAUST AND EVAP REGULATIONS FOR SI MARINE ENGINES. REFER TO OWNER’S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. FAMILY : EPA FEL : HC+NOx g/kW-h MAX POWER : kW CA FEL : HC+NOx g/kW-h DISPLACEMENT: liters EPA CERTIFIED EVAP COMPONENTS : YAMAHA MOTOR CO.,LTD.
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Page 24: Components
Components EMU48680 Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). 1. Cowling lock lever 9. Propeller* 2. Top cowling 3. Power trim and tilt unit 4. - Page 25 Components 1. Fuse box 2. Fuel filter 3. Power trim and tilt switch 4. Oil filler cap 5. Flushing device 6. Oil dipstick...
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Page 26: Optional Items
Components EMU46733 Optional items The following items are available from your Yamaha dealer. For details, consult your Yamaha dealer. 1. CL5 Display For single-engine boats HEADING COURSE TRACK PATTERN HOLD HOLD POINT STEER 1˚ / 5˚ 1˚ / 5˚ 1. Digital electronic control 2. - Page 27 Components For twin-engine boats HEADING COURSE TRACK PATTERN HOLD HOLD POINT STEER 1˚ / 5˚ 1˚ / 5˚ 1. Digital electronic control 2. Switch panel 3. Start/Stop switch panel 4. All Start/Stop switch panel 5. Engine shut-off switch panel (sub station) 6.
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Page 28: Helm Master™ Ex (Upgradable)
3. Start/Stop switch panel 4. All Start/Stop switch panel For further information about the Helm Mas- 5. Engine shut-off switch panel (sub station) ter EX, consult your Yamaha dealer. 6. Joystick (upgradable) Joystick 7. Autopilot (upgradable) Because the joystick allows you to move the... -
Page 29: Digital Electronic Control
Components Single engine Autopilot The Autopilot supports steering operations, allowing you to keep correct bow direction and travel while maintaining a constant route. HEADING COURSE TRACK PATTERN HOLD HOLD POINT STEER 1˚ / 5˚ 1˚ / 5˚ 1. Control lever 2. -
Page 30: Control Lever
Components Twin engines / Triple engines EMU48471 Control lever Lowering the lever from the neutral position to the bow side 22.5° (a detent can be felt) engages the forward gear. Lowering the lever to the stern side engages the reverse gear and the engine begins to run at the lowest speed. -
Page 31: Dec Alert Indicator
A beep also sounds (repeated- on the control lever controls all outboard mo- ly on and off) to alert the operator. For more tors at the same time. information, consult your Yamaha dealer. Single engine Single engine 1. Power trim and tilt switch 1. -
Page 32: Neutral Hold Switch
Components Single engine Single engine 1. Speed control switch 1. “NEUTRAL HOLD” switch 2. LED Twin engines / Triple engines Twin engines / Triple engines 1. Speed control switch 1. “NEUTRAL HOLD” switch EMU48512 2. LED Neutral hold switch When the “NEUTRAL HOLD” switch is EMU48531 Station selector switch pressed, the buzzer will sound and the LED... -
Page 33: Center Engine Switch
Components Single engine Triple engines 1. “STATION” switch 1. “CENTER ENGINE” switch 2. LED 2. LED Twin engines / Triple engines EMU48550 Single lever switch For multiple engines, when the “SINGLE LE- VER” switch is pressed, the buzzer will sound, the LED will come on, and the port side control lever will allow you to perform shift and throttle operations for all outboard motors that have been started. -
Page 34: Trim Assist Switch
Components EMU49271 EMU48643 6X6 switch Trim Assist switch This function automatically sets the outboard motor trim angle according to the engine EMU41554 Main switch speed. The main switch controls the ignition system; Enabling the trim assist switch allows the trim its operation is described below. -
Page 35: Start/Stop Switch Panel
Components EMU42082 Start/Stop switch panel The engine can be started or turned off by pressing the Start/Stop button. For twin and triple type, it is possible to start or turn off in- dividual engine. The indicator for the corre- sponding engine will come on. ... -
Page 36: Outboard Motor Equipment
TIP: EMU26156 Power trim and tilt switch on bottom Consult your Yamaha dealer about changing cowling the setting. The power trim and tilt switch is located on the side of the bottom cowling. Pushing the... -
Page 37: Cowling Lock Lever
Components 1. Cowling lock lever 1. Tilt support lever TIP: 1. Cowling lock lever To use the lower tilted up position, remove the upper bolts. EMU40803 Flushing device ECM00661 The flushing device is used to clean the cool- ing water passages of the outboard motor Do not use the tilt support lever or knob using a garden hose and tap water. -
Page 38: Fuel Filter
Components EMU41312 Fuel filter The fuel filter functions to remove foreign ma- terial and separate water from the fuel. If wa- ter separated from the fuel exceeds a specific volume, the alert system will activate. For fur- ther information, see page 38. 1. -
Page 39: Instruments And Indicators
Engine condition icons TIP: Orange icons indicate engine conditions. The functions shown in the display varies Yamaha Security System indicator “ ” according to the equipment of the boat. (optional) For more information, see the CL5 owner’s This indicator appears when the Yamaha manual. - Page 40 Do not continue to operate the engine if an alert device has activated. Consult your Yamaha dealer if the problem can- not be located and corrected. Low oil pressure alert “ ” 1. Pop-up window If the engine oil pressure drops too low, this 2.
- Page 41 Check engine alert “ ” If the engine malfunctions while cruising, this alert will be activated. Return to port and consult a Yamaha dealer immediately. Check System / Steering Malfunction Alert “ ” If a malfunction occurs in the system, the system alert will be activated.
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Page 42: Engine Control System
Even if there is no symp- Multi-Display. tom of trouble with shifting or throttle, get back to port soon and have a Yamaha dealer inspect or repair the outboard motor. The buzzer will sound. (The device that... -
Page 43: Low Oil Pressure Alert
Engine control system Illustration showing an example of the To turn off the alert activation on the out- possible buzzer location board motors not affected by overheating (1) Stop the overheated engine. START If the alert system has activated, stop the en- gine and check the cooling water inlets. -
Page 44: Water Separator Alert
Re- To turn off the alert activation on the out- turn to port and consult a Yamaha dealer board motors not affected by the low oil pres- immediately. - Page 45 Engine control system ECM02471 Although the buzzer will stop when the en- gine is started and the control lever is moved to the forward or reverse position, do not use the outboard motor. Otherwise, serious engine damage could occur.
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Page 46: Installation
Consult your Yamaha dealer or boat manu- excessive propeller slip, and the water in- facturer for further information on determin- takes for the cooling system may not get an ing the proper mounting location. - Page 47 Test runs at different heights can help determine the optimum mounting height. Consult your Yamaha dealer or boat manufacturer for fur- ther information on determining the proper mounting height. 1. Idle hole ECM01635 ...
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Page 48: Operation
Correct break-in will help en- The outboard motor is shipped from the fac- sure proper performance and longer engine tory without engine oil. If your Yamaha dealer life. NOTICE: Failure to follow the break-in did not fill the engine with engine oil, you procedure could result in reduced engine must fill the engine before starting it. -
Page 49: Checks Before Starting Engine
Operation EMU36414 Checks before starting engine EWM01922 If any item in “Checks before starting en- gine” is not working properly, have it in- spected and repaired before operating the outboard motor. Otherwise, an accident could occur. ECM00121 1. Cowling lock lever Do not start the engine out of water. -
Page 50: Fuel System
Check that the fuel filter is clean and free of water. If any water is found in the fuel, or if a significant amount of debris is found, the fuel tank should be checked and cleaned by a Yamaha dealer. 1. Top cowling EMU36443 Fuel system... -
Page 51: Engine Shut-Off Cord (Lanyard)
Consult your Yamaha dealer if the oil lev- el is not at the proper level or if it appears EMU40363 milky or dirty. -
Page 52: Flushing Device
EMU47570 Installing top cowling (1) Check the rubber seal for damage. If the rubber seal is damaged, have it replaced by a Yamaha dealer. 1. Cowling lock lever 1. Rubber seal 2. Apron (2) Check that the rubber seal is seated all... -
Page 53: Checking Power Trim And Tilt System
Operation EMU35245 Checking power trim and tilt system EWM01931 Never get under the lower unit while it is tilted, even when the tilt support lever is locked. Severe injury could occur if the outboard motor accidentally falls. Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted. -
Page 54: Battery
EMU36585 Battery Check the battery’s charge. If your boat is equipped with a Yamaha digital speedome- ter, the voltmeter and low battery alert func- tions will help you monitor the battery’s charge. A battery in good condition will pro- 1. -
Page 55: Operating Engine
EWM02601 switch on. If the buzzer sounds and the water separator-alert indicator blinks, consult a This product emits exhaust gases which Yamaha dealer immediately. contain carbon monoxide, a colorless, EMU48763 Procedure for single station models (6X6 odorless gas which could cause brain switch) damage or death when inhaled. - Page 56 Operation shut-off cord to a secure place on your clothing, or your arm or leg while oper- ating. Do not attach the cord to clothing that could tear loose. Do not route the cord where it could become entangled, preventing it from functioning. ...
- Page 57 Operation (4) Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. NOTICE: Never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor turning for more than 5 seconds.
- Page 58 Operation 1. “STATION” switch TIP: 2. LED The start-in-gear protection device prevents the engine from starting except when in neu- tral. (2) Turn the main switch to “ ” (on) and make sure that the DEC alert indicator comes on in blue. The engine cannot be started if the DEC alert indicator comes on in orange.
- Page 59 Operation TIP: The sub station can start and stop the engine. However, it cannot operate the digital elec- tronic control. EMU48782 Procedure for dual station models (sub station/6X6 switch) EWM01842 Failure to attach the engine shut-off cord could result in a runaway boat if 1.
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Page 60: Checks After Starting Engine
5 seconds of cranking, re- the lower case or the cooling water pilot lease the Start/Stop button, wait 10 hole is blocked. Consult your Yamaha seconds, then crank the engine again. dealer if the problem cannot be located and corrected. -
Page 61: Warming Up Engine
Operation Check that the engine cannot be started EMU27671 Warming up engine with the clip removed from the engine shut- off switch. EMU47821 EMU35127 Procedure for warming up engine Shifting After the engine has started, warm up the en- EWM00181 gine until the engine speed settles at idling speed. -
Page 62: Neutral Hold Switch Operation
Operation 2. LED (3) You can open or close the throttle. This can also be done when the control lever is set in reverse. To release (1) Place the control lever in “ ” (neutral). (2) When the “NEUTRAL HOLD” switch is pressed, a beep will sound and the LED will go off. -
Page 63: Single Lever Switch Operation
Operation 1. “SINGLE LEVER” switch 2. LED (3) The port side control lever will allow you to perform shift and throttle operations for all outboard motors that have been started. 1. Port side control lever 2. Center engine To release (1) Place the control lever in “... -
Page 64: Stopping Boat
Operation EMU31743 Stopping boat EWM01511 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. This could increase the risk of serious injury. -
Page 65: Boat Direction
Operation EMU48731 Boat direction The illustrations below indicate the boat direction when operating multiple outboard motors. Lever operation (Twin engines) :Lever operation :Boat direction and turning force The size of the arrow is proportional to the turning force. :Propulsion... - Page 66 Operation Lever operation (Triple engines) :Lever operation :Boat direction and turning force The size of the arrow is proportional to the turning force. :Propulsion...
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Page 67: Stopping Engine
Operation EMU27823 TIP: Stopping engine The engine can also be stopped by pulling Before stopping the engine, first let it cool off the cord and removing the clip from the en- for a few minutes at idle or low speed. Stop- gine shut-off switch, then turning the main ping the engine immediately after operating switch to “... -
Page 68: Adjusting Trim Angle (Power Trim And Tilt)
Operation If equipped with a power trim and tilt ing the boat more difficult. This increases the possibility of an accident. If the boat switch located on the bottom cowling, begins to feel unstable or is hard to steer, use the switch only when the boat is at a slow down and/or readjust the trim angle. -
Page 69: Adjusting Boat Trim
Operation To raise the bow (trim-out), press the switch “ ” (up). To lower the bow (trim-in), press the switch “ ” (down). Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions. -
Page 70: Procedure For Tilting Up (Power Trim And Tilt Models)
Operation EWM01544 Make sure that all people are clear of the outboard motor when tilting the outboard motor up and down. Body parts can be crushed between the outboard motor and the clamp bracket when the outboard mo- tor is trimmed or tilted. ECM00993 ... -
Page 71: Procedure For Tilting Down
Operation (3) Set the tilt support lever to support the that the trim rods retract completely engine. WARNING! After tilting the out- during mooring. This protects the rods board motor, be sure to support it with from marine growth and corrosion, the tilt support knob or tilt support le- which could damage the power trim ver. -
Page 72: Shallow Water
Operation EMU28063 Shallow water EMU47840 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water. ECM01491 If the engine speed is suddenly in- creased when the outboard motor is partially tilted up, the power trim and tilt unit could be damaged. -
Page 73: Operating In Other Conditions
Operation (2) Slightly tilt the outboard motor up to the (3) Press the power trim and tilt switch and desired position using the power trim fully tilt the outboard motor down. and tilt switch. WARNING! Using the EMU41371 Operating in other conditions power trim and tilt switch on the bot- Operating in salt water tom cowling while the boat is moving... -
Page 74: Maintenance
It is advisable to have your outboard motor falls. serviced by an authorized Yamaha dealer pri- Do not use the tilt support lever or knob or to storage. However, you, the owner, with when trailering the boat. -
Page 75: Lubrication
76. TIP: For long-term storage, fogging the engine with fogging oil is recommended. Contact 1. Garden hose your Yamaha dealer for information about 2. Garden hose adapter (commercially avail- fogging oil and procedures for your outboard able) motor. -
Page 76: Cleaning The Outboard Motor
Replacement parts If replacement parts are necessary, use only These procedures require mechanical genuine Yamaha parts or parts of equivalent skills, tools, and supplies. If you do not design and quality. Any part of inferior quality have the proper skills, tools, or supplies to... -
Page 77: Severe Operating Conditions
Outboard motors operating under any of these above conditions require more fre- quent maintenance. Yamaha recommends that you do this service twice as often as specified in the maintenance chart. For ex- ample, if a particular service should be done at 50 hours, do it instead at 25 hours. -
Page 78: Maintenance Chart 1
When operating in salt water, muddy, other turbid (cloudy), acidic 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... - Page 79 Maintenance Initial Every 20 hours Item Actions Page 100 hours 300 hours 500 hours (1 year) (3 years) (5 years) months) Inspection or re- Fuel line (DI pres- placement as nec- — sure) essary Fuel line (High Inspection — pressure) Inspection or re- Fuel line (High placement as nec-...
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Page 80: Maintenance Chart 2
— switch essary Wire harness con- Inspection or re- nections/wire cou- placement as nec- — pler connections essary (Yamaha) Me- Inspection — ter/gauge Inspection or re- SBW (Steer-by- placement as nec- — wire) essary EMU46083 Maintenance chart 2... - Page 81 Maintenance Every Item Actions Page 1000 hours Inspection or re- Anode(s) (internal) placement as nec- — essary Inspection or re- Anode(s) (Under placement as nec- — the timing belt) essary Inspection or re- SBW (Steer-by- placement as nec- — wire) essary EMU47550 *1 cylinder head, cylinder block, oil cooler, cooling water passage, exhaust joint...
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Page 82: Greasing
Maintenance EMU46621 Greasing Yamalube grease A “ ” (water resistant grease) Yamaha grease D “ ” (corrosion resistant grease) - Page 83 Maintenance...
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Page 84: Inspecting Spark Plug
EMU48060 Inspecting engine idle speed Why Yamalube ECM01691 YAMALUBE oil is a Genuine YAMAHA Part born of the engineers’ passion and belief that This procedure must be performed while engine oil is an important liquid engine com- the outboard motor is in the water. -
Page 85: Inspecting Propeller
Maintenance Check each of the propeller blades for ero- sion from cavitation or ventilation, and oth- er damage. Check the propeller shaft for damage. Check the splines for wear and damage. Check for fish line tangled around the pro- peller shaft. -
Page 86: Installing Propeller
Maintenance (3) Remove the propeller and thrust washer. 2. Propeller 3. Spacer EMU41963 4. Washer Installing propeller 5. Propeller nut EWM00771 6. Cotter pin On counter rotation models, be sure to Propeller nut tightening torque: 80 N·m (8.0 kgf·m, 59 lb·ft) use a propeller intended for counterclock- wise rotation. - Page 87 NOTICE: Check the used gear oil after board motor in a vertical position, have a Yamaha dealer change the gear oil. it has been drained. If the gear oil is (1) Tilt the outboard motor so that the gear...
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Page 88: Inspecting And Replacing Anode(S)
(FL375AST, FL425AST) 1.950 L (2.061 US qt, 1.716 Imp.qt) Tightening torque: (F375AST, F425AST) 2.5 N·m (0.25 kgf·m, 1.8 lb·ft) EMU29318 Inspecting and replacing anode(s) Yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales... -
Page 89: Checking Battery (For Electric Start Models)
Maintenance from the surfaces of the anodes. Consult a The procedure for checking the battery varies Yamaha dealer for replacement of external for different batteries. This procedure con- anodes. tains typical checks that apply to many bat- ECM00721 teries, but you should always refer to the battery manufacturer’s instructions. - Page 90 Connecting an accessory battery (optional) If connecting an accessory battery, consult your Yamaha dealer about correct wiring. It is recommendable to install the fuse to the iso- lator lead as shown in the illustration. For the fuse size, be sure to follow local regulations.
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Page 91: Disconnecting The Battery
Maintenance Twin engines Triple engines 1. Starboard side engine 1. Starboard side engine 2. Port side engine 2. Center engine 3. Red cable 3. Port side engine 4. Black cable 4. Red cable 5. Isolator leads with circuit protection 5. Black cable 6. - Page 92 Maintenance (3) Disconnect the positive cable(s) and re- move the battery from the boat. (4) Clean, maintain, and store the battery according to the manufacturer’s instruc- tions.
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Page 93: Trouble Recovery
Please note that all of the items in this section may not apply to your model. If your outboard motor requires repair, bring it to a Yamaha dealer. If the engine trouble-alert indicator is blinking, consult your Yamaha dealer. - Page 94 Fuel filter Is fuel filter clogged? Clean or replace fuel filter. Ignition parts Are ignition parts malfunctioning? Have serviced by a Yamaha dealer. Alert system Has alert system activated? Find and correct cause of alert. Inspect wires for breaks and wear.
- Page 95 Ignition wiring connected? ken or worn wires replaced by a Yamaha dealer. Electrical parts Are electrical parts malfunctioning? Have serviced by a Yamaha dealer. Is specified engine oil not being Replace engine oil with specified Engine oil used? type. Is thermostat clogged or malfunc- Thermostat Have serviced by a Yamaha dealer.
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Page 96: Temporary Action In Emergency
(2) Check the control system and all compo- nents for damage. Also, check the boat for damage. (3) Whether damage is found or not, return to the nearest harbor slowly and careful- (4) Have a Yamaha dealer check the out- board motor before operating it again. -
Page 97: Replacing Fuse
Trouble Recovery EMU47622 10.DI system 1 fuse (20 A) Replacing fuse 11.Engine ECU / Ignition coil fuse (30 A) EWM00632 12.Fuel feed pump fuse (10 A) 13.Isolator 1 fuse (70 A) Substituting an incorrect fuse or a piece of 14.Isolator 2 fuse (70 A) wire could allow excessive current flow. -
Page 98: Power Trim And Tilt Will Not Operate
EMU47560 Steer-by-wire system will not operate 1. Fuse puller If the steer-by-wire system does not operate, Consult your Yamaha dealer if the new fuse the outboard motor can be steered manually. immediately blows again. To steer the outboard motor manually... -
Page 99: Water Separator-Alert Is Activated After Leaving Port
Trouble Recovery 1. Bolt 2. Clamp bracket cover (2) Loosen the nut until it stops. 1. Lever EMU47612 Water separator-alert is activated af- ter leaving port EWM01501 Gasoline is highly flammable, and its va- pors are flammable and explosive. Do not perform this procedure on a hot 1. -
Page 100: Treatment Of Submerged Motor
Otherwise, serious engine damage could occur. [ECM02391] EMU33502 Treatment of submerged motor 1. Fuel filter If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi-... - Page 101 Trouble Recovery ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected. [ECM00402]...
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Page 102: Index
INDEX 6X6 switch ..........28 De-activating the engine speed control system ........67 DEC alert indicator........ 25 Alcohol and drugs........2 Digital electronic control ....... 23 Alert system.......... 36 Digital electronic control alert ....36 All Start/Stop switch panel (optional) ... 29 Digital electronic control Anode(s), inspecting and replacing .. - Page 103 INDEX Overloading ..........3 Helm Master control system alert..36 Helm Master EX (upgradable)....22 Hot parts..........1 Passenger training ........4 Passengers ..........2 People in the water ......... 2 Periodic maintenance ......70 Identification numbers record....5 Personal flotation devices (PFDs) ... 2 Impact damage........
- Page 104 INDEX Stop switches ........55 Stopping boat........58 Stopping engine ........61 Storing outboard motor ......68 Submerged outboard motor....94 Tilt limiter ..........30 Tilt support lever........30 Tilting up and down ......63 Top cowling, installing ......46 Top cowling, removing ......
- Page 106 Printed in Japan January 2023–0.1 × 1 CR...
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