Evinrude E-TEC G2 300 Troubleshooting
| Engine Model: Evinrude E-TEC G2 300 |
| Engine Type: 2-stroke 6-cylinder gasoline outboard engine |
| Total Displacement: 210 cu.in (3.4 L) |
| Rated Engine Power: 300 Hp (222 kW) at 5500 rpm |
| Fuel System: Direct fuel injection (DFI) |
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| Engine will not start or difficult to start |
Gas tank is empty - Fill it up.
Improper fuel grade - Change fuel.
Air in the fuel system - Air bleeding.
Spark plug wiring connection is defective - Inspect spark plug wiring connection, change or repair.
Spark plug is faulty - Spark plug need to be replaced.
Fuel filter is clogged - Replace or clean fuel filter.
Clogged fuel lines - Fuel lines need to be cleaned.
Low fuel pressure - Inspect fuel system for leaks or inspect low pressure fuel pump.
Air pressure is low - Normalize air pressure.
Damaged wiring harness connections - Check electrical wire harness connections.
Damaged ignition system - Check ignition components and replace if necessary.
Fuel feed pump is defective - Install new fuel feed pump.
Fuel injector is faulty or clogged - Replace or clean if necessary.
ECM is not functioning - Change electronic control modul.
Reed valve is worn or damaged - Replace reed valve.
| Engine starts but then stalls |
Faulty spark plug - Replace spark plug.
Ignition coil is defective - Install a new ignition coil.
Faulty fuel pump - Change fuel pump.
Fuel system clogging - Service fuel system.
Fuel filter is clogged - Replace fuel filter.
Ignition system problems - Check ignition and replace faulty components.
Spark plug is damaged - Replace spark plug.
Fuel pump is damaged or dirty - Clean or install new fuel pump.
Air pressure is low - Check air system components.
Clogged fuel lines - Fuel lines must be clean.
Dirty fuel filter - Fuel filter needs to be replaced.
Direct injector is defective - Replace if necessary.
Engine is overloaded - Reduce engine load.
Ignition timing is incorrect - Ignition timing needs to be adjusted correctly.
Thermostat is defective - Install new thermostat.
Faulty water pump - Water pump need to be replaced.
Propeller selection improperly - Replace propeller.
Propeller bent or damaged - Have propeller repaired or replaced.
Outboard motor is positioned too low or too high - Mount the motor as required.
Stale fuel - Change fuel.
Engine is overloaded - Load reducing is recommended.
Low idle speed adjustment is incorrect - Adjustment required.
Fuel pump is defective or dirty - Clean or replace fuel pump.
Crankshaft or main bearings are worn out - Change or repair worn components.
Cylinder bore or piston rings are worn - Replace faulty parts.
Dirty or faulty fuel pump - Service or replace fuel pump.
Ignition system problems - Inspect ignition system and change failed components.
Powerhead components are worn - Defective parts need to be replaced.
Low fuel pressure - Check low pressure fuel pump or check system for fuel leaks.
Air pressure is low - Inspect air system for leaks.
Low compression - Normalize compression.
Fuel delivery problem - Check and repair.
Fuel regulator leaks - Repair leaks.
Plugged fuel filter - Install new filter.
Fuel injector is faulty or clogged - Clean or replace as required.
Manifold fuel leak - Leak must be repaired.
Propeller selection improperly - Install correct propeller.
Damaged or bent propeller - Have propeller repaired or replaced.
Outboard engine mounting height improperly - Adjust the engine to correct transom height.
Improper trim angle - Adjust trim angle.
Spark plug is loose or defective - Tighten or change the spark plug.
Worn rings, piston, or sleeve - Replace faulty components as required.
Engine is under excessive load - Load reducing is recommended.
Dirty or faulty fuel injectors - Clean or change fuel injectors.
| Excessive motor vibration |
Damaged or improper size of propeller - Replace propeller.
Propeller shaft damaged - Propeller shaft needs to be replaced.
Weeds in the propeller - Clean the propeller.
Motor mounting bolt is loose - Tighten bolt.
Loose or faulty steering pivot - Tighten or replace.
Damaged or bent propeller - Replace propeller.
Propeller shaft malfunction - Have propeller shaft replaced.
Weeds in the propeller - Clean the propeller.
Motor mounting bolt is loose - Tighten bolt.
| Trim motor runs but trim system does not move up or down |
Oil insufficient - Fill up oil to required level.
Damaged pump assembly - Check pump and change if required.
Manual release valve leaking - Close the valve fully or replace it.
Pump driveshaft or motor damaged - Change worn component.
| Trim does not fully up or down |
Pump assembly is faulty - Change pump as required.
Tilt ram piston ball is not positioned correctly - Service or repair.
Damaged tilt ram piston O-ring - Replace O-ring.
Oil level is insufficient - Fill up oil to required level.
Lower check valve is not properly secured in port side trim ram - Secure valve properly.
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