Evinrude 50 ETEC Troubleshooting
| Engine Model: Evinrude E-TEC 50 |
| Engine Type: 2-stroke 2-cylinder gasoline outboard engine |
| Total Displacement: 52.7 cu.in (863 cc) |
| Rated Engine Power: 50 Hp (37.3 kW) at 6000 rpm |
| Fuel System: Direct fuel injection (DFI) |
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| Engine starts hard or doesn't start |
Empty gas tank - Fill gasoline up.
Wrong grade of gasoline - Change fuel.
Dirty fuel lines - Inspect and clean.
Disconnected or loose spark plug wire - Check spark plug wiring connection, repair or change.
Spark plug is damaged - Change spark plug as required.
Clogged fuel filter - Replace or clean fuel filter.
Fuel lines clogging - Clean fuel system lines.
Fuel pressure is low - Inspect low pressure fuel pump or inspect fuel system for leaks.
Air pressure is low - Normalize air pressure.
Bad harness connections - Check electrical wire harness connections.
Damaged ignition system - Check ignition components and replace if necessary.
Faulty fuel feed pump - Change fuel feed pump.
Fuel injector is damaged or dirty - Replace or clean as required.
Electronic control modul is not operating - Change electronic control modul.
Reed valve is defective or worn - Replace reed valve.
Faulty spark plug - Install new spark plug.
Ignition coil is not working - Ignition coil must be replaced.
Faulty fuel pump - Replace fuel pump.
Fuel system is clogged - Service fuel system.
Clogged fuel filter - Replace fuel filter.
Ignition system malfunction - Inspect ignition system and change faulty parts.
Spark plug is damaged - Spark plug need to be replaced.
Dirty or damaged fuel pump - Check fuel pump and replace if necessary.
Low air pressure - Inspect air system for leaks.
Fuel lines clogging - Fuel lines must be clean.
Fuel filter is clogged - Change fuel filter.
Direct injector is defective - Install new injector.
Excessive engine load - Reduce the load.
Ignition timing is improper - Set the ignition timing properly.
Thermostat is defective - Install new thermostat.
Water pump malfunction - Change water pump.
Improper propeller diameter or pitch - Install correct propeller.
Damaged or bent propeller - Replace propeller.
Outboard engine is mounted too high or too low - Position the engine correctly.
Low octane fuel - Use correct fuel.
Engine overload - Reduce the load.
Incorrectly set low idle speed - Correct idle adjustment.
Dirty or defective fuel pump - Service or change fuel pump.
Worn crankshaft or main bearings - Need to install new components.
Damaged cylinder bore or piston rings - Change defective components.
| Engine power is insufficient |
Fuel pump is damaged or dirty - Service or change fuel pump.
Ignition failure - Check ignition and replace faulty components.
Powerhead components are worn - Defective parts need to be replaced.
Fuel pressure is low - Inspect low pressure fuel pump or inspect fuel system for leaks.
Low air pressure - Check air system components.
Bad compression - Normalize compression.
Fuel delivery problem - Check fuel system.
Fuel regulator is leaking - Repair leaks.
Clogged fuel filter - Fuel filter needs changing.
Fuel injector is faulty or clogged - Replace or clean as required.
Manifold fuel leak - Leak must be repaired.
Propeller pitch or diameter incorrect - Check the propeller size.
Propeller bent or damaged - Have propeller repaired or replaced.
Incorrect outboard motor mounting height - Check the outboard motor mounting height.
Improper trim angle - Adjust trim angle.
| Excessive fuel consumption |
Loose or defective spark plug - Change or re-tighten spark plug.
Sleeve, piston, or rings are damaged - Replace defective components.
Engine overloaded - Load reducing is recommended.
Dirty or defective fuel injectors - Clean or install new fuel injectors.
| Excessive motor vibration |
Propeller bent or damaged - Replace propeller.
Damaged propeller shaft - Have propeller shaft replaced.
Weeds wraped around propeller - Remove and clean propeller.
Engine mounting bolt is not tightened - Tighten bolt.
Damaged or loose steering pivot - Tighten or replace.
Propeller bent or damaged - Have propeller repaired or replaced.
Damaged propeller shaft - Have propeller shaft replaced.
Weeds clogs 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 level is low - Fill up oil.
Pump assembly is damaged - Test pump and change if necessary.
Manual shut-off valve leaks - Close the valve or change it.
Broken motor or pump driveshaft - Replace worn component.
| Trim does not fully up or down |
Defective pump assembly - Change pump.
Tilt ram piston ball is not positioned correctly - Service or repair.
Tilt ram piston O-ring is worn - Install new O-ring.
Low oil level - Check and refill oil.
Lower check valve is not properly secured in port side trim ram - Install valve correctly.
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