Yamaha F60FETL Troubleshooting
| Engine Model: Yamaha F60FETL |
| Engine Type: 4-stroke inline 4-cylinder SOHC 8-valve gasoline outboard engine |
| Total Displacement: 60.8 cu.in (996 cc) |
| Rated Engine Power: 60 Hp (44.1 kW) at 5500 rpm |
| Fuel System: Electronic Fuel Injection (EFI) |
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| Engine is not starting or hard starting |
Empty fuel tank - Fill gasoline up.
Improper fuel grade - Change fuel.
Air in fuel tank - Bleed fuel tank.
Spark plug wiring connection is defective - Inspect spark plug wiring connection, change or repair.
Spark plug is faulty - Change spark plug as required.
Fuel filter is plugged - Replace fuel filter.
Damaged or wear vapor separator needle valve - Install new needle valve.
Dirt in the fuel lines - Fuel lines need to be cleaned.
Closed or clogged fuel tank air vent - Open or clean air vent.
Fuel feed pump is faulty - Fuel feed pump need to be replaced.
Choke cable is unadjusted or damaged - Change cable or adjust properly.
Valve clearance is wrong - Check and adjust.
Valve timing is wrong - Set the valve timing properly.
Low fuel pressure - Check system for fuel leaks or check low pressure fuel pump.
Fuel injector is damaged or dirty - Clean or replace if necessary.
Fuel regulator is not operating - Change fuel regulator.
ECM failure - Change electronic control modul.
| Engine starts and immediately shuts off |
Defective spark plug - Replace spark plug.
Damaged or wear vapor separator needle valve - Change vapor separator needle valve.
Ignition coil is faulty - Replace ignition coil as necessary.
Closed or clogged fuel tank air vent - Fuel tank air vent need to be opened or cleaned.
Faulty fuel pump - Replace or repair fuel pump.
Faulty choke system - Change choke system components as required.
Improper valve clearance - Check and adjust.
Improper valve timing - Set the valve timing properly.
Valve springs are bad or broken - New valve springs need to be installed.
Valves sticking - Clean the valves.
Low compression - Check and change damaged parts.
Clogged fuel filter - Install new filter.
Fuel injector is faulty or clogged - Clean or install new injector.
Engine oil level low - Add oil to the engine crankcase.
Damaged oil pump - Replace oil pump.
Dirty water intake screen - Need to wash or clean.
Defective thermostat - Change thermostat.
Water pump is defective - Install new water pump.
Ignition system malfunction - Inspect ignition system and change failed components.
Clogged or defective fuel pump - Clean or install new fuel pump.
Damaged or wear vapor separator needle valve - Install new needle valve.
Fuel lines clogging - Fuel lines must be clean.
Closed or clogged fuel tank air vent - Open or clean air vent.
Fuel filter is plugged - Replace fuel filter.
Intake manifold air leaks - Change intake manifold gasket.
Dirty water intake screen - Need to clean or wash.
Throttle link and throttle valve are wear or damaged - Replace faulty parts.
Fuel injector is dirty or worn - Replace or clean if necessary.
Engine overload - Load reducing is recommended.
Fuel injector or fuel pump is clogged - Replace or clean if necessary.
Incorrect ignition timing - Ignition timing needs to be set properly.
Defective thermostat - Thermostat need to be replaced.
Water pump failure - Change water pump.
Propeller selection improperly - Install correct propeller.
Damaged or improper size of propeller - Have propeller repaired or replaced.
Outboard engine is positioned too low or too high - Position the engine correctly.
Not enough engine oil - Fill the crankcase with engine oil.
Defective oil pump - Change oil pump.
Water intake is blocked - Clean and wash as required.
Valve setting is improper - Adjust valves as required.
Low octane gasoline - Change gasoline.
Engine is running overloaded - Reduce the load.
Low idle speed setting is incorrect - Adjust idling as required.
Clogged or defective fuel pump - Test fuel pump and change if necessary.
Crankshaft or main bearings are worn out - Change or repair worn components.
Cylinder bore or piston rings are worn - Replace faulty components.
| Engine power is insufficient |
Fuel lines are clogged - Clean fuel system lines.
Fuel injector is damaged - Test fuel injector and replace if necessary.
Clogged or defective fuel pump - Test fuel pump and change if necessary.
Ignition system failure - Check ignition and replace faulty components.
Defective cylinder head gasket - Replace cylinder head gasket.
Worn powerhead components - Change defective parts.
Stuck or burned valves - Service or replace valves.
Improper propeller diameter or pitch - Install correct propeller.
Damaged or bent propeller - Have propeller repaired or replaced.
Engine mounted at wrong transom height - Adjust the engine to correct transom height.
Incorrect trim angle - Make the correct trim angle adjustment.
| Engine using too much gasoline |
Damaged or clogged fuel injector - Replace or clean if necessary.
Loose or defective spark plug - Change or re-tighten spark plug.
Worn rings, piston, or sleeve - Replace faulty parts as required.
ECU failure - Replace ECU.
| Excessive motor vibration |
Damaged or bent propeller - Have propeller repaired or replaced.
Propeller shaft damaged - Replace propeller shaft.
Weeds in the propeller - Clean the propeller.
Engine mounting bolt is not tightened - Tighten the bolt as required.
Steering pivot is faulty or loose Tighten or replace.
| Starter motor is not working |
Low battery output voltage - Battery is drained, recharge it.
Battery drains quickly - Service charging system or install new battery.
Disconnected wiring or bad battery terminals - Connect wiring correctly or install new terminals.
Starter motor is defective - Starter needs to be changed.
| Trim motor is running but trim system cannot move up or down |
Lack of oil - Check oil level and add oil as required.
Defective pump assembly - Check pump and replace if necessary.
Manual release valve leaking - Close the valve fully or replace it.
Motor or pump driveshaft faulty - Change defective component.
| Trim does not fully up or down |
Pump assembly is damaged - Change pump.
Tilt ram piston ball is in wrong position - Clean or repair.
Tilt ram piston O-ring damaged - Change O-ring.
Low oil level - Check and refill oil.
Lower check valve is not properly secured in port side trim ram - Secure valve properly.
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