Evinrude Ocean Pro 150 Problems
| Engine Model: Evinrude Ocean Pro 150 |
| Engine Type: 2-stroke 6-cylinder gasoline outboard engine |
| Total Displacement: 158.2 cu.in (2.6 L) |
| Rated Engine Power: 150 Hp (110 kW) at 5250 rpm |
| Fuel System: Downdraft carburetors |
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| Engine difficult to start or won't start |
Empty gas tank - Add fuel.
Wrong fuel grade - Use correct fuel grade.
There is air in the fuel system - Bleed the system.
Spark plug wire is loose or disconnected - Check spark plug wiring connection, repair or change.
Spark plug is damaged - Replace spark plug.
Fuel filter is clogged - Fuel filter needs changing.
Carburetor incorrectly set - Set carb correctly.
Fuel lines are dirty - Service fuel lines.
Closed or restricted fuel tank air vent - Open or clean air vent.
Fuel pump pressure is low - Repair or change fuel pump.
Reed valve is worn or damaged - Replace reed valve as required.
| Engine starts and then stalls |
Damaged spark plug - Spark plug need to be replaced.
Faulty or dirty carburetor - Service or replace carburetor.
Defective ignition coil - Ignition coil must be replaced.
Fuel tank air vent restricted or closed - Open or clean air vent.
Low fuel pump pressure - Change or rebuild fuel pump.
Ignition system malfunction - Test ignition and replace failed parts.
Fuel pump is defective or dirty - Inspect fuel pump and change as required.
Carburetor problems - Carburetor diagnostics required.
Fuel lines are dirty - Fuel lines must be clean.
Closed or restricted fuel tank air vent - Open or clean air vent.
Dirty fuel filter - Install new filter.
Gaskets are defective - Change gaskets.
Engine overloaded - Load reducing is recommended.
Carburetor fuel mixture is too lean - Adjust carburetor correctly.
Bad ignition timing - Adjust ignition timing correctly.
Faulty thermostat - Install new thermostat.
Water pump malfunction - Change water pump.
Propeller selection improperly - Check the propeller size.
Damaged or improper size of propeller - Replace propeller.
Outboard motor is positioned too low or too high - Mount the motor as required.
| Abnormal engine knocking or noise |
Stale gasoline - Use proper fuel.
Engine is under excessive load - Reduce load.
Wrong adjustment of low idle speed - Correct idle settings.
Fuel pump is dirty or defective - Check fuel pump and replace if necessary.
Crankshaft or main bearings failure - Have bearings or crankshaft replaced.
Cylinder bore or piston rings are damaged - Change defective components.
Clogged or improperly adjusted carburetor - Clean or correctly adjust carburetor.
Dirty or damaged fuel pump - Check fuel pump and change if required.
Ignition system problems - Inspect ignition system and change failed components.
Damaged gaskets - Install new gaskets.
Powerhead parts are damaged - Replace defective components.
Propeller selection improperly - Install correct propeller.
Propeller bent or damaged - Have propeller repaired or replaced.
Engine mounted at wrong transom height - Check the outboard engine mounting height.
Incorrect trim angle - Adjust trim angle correctly.
Carburetor main jet adjustment is improper - Adjust it properly.
Spark plug is loose or faulty - Re-tighten or replace spark plug.
Sleeve, rings, or piston are damaged - Change defective parts.
| Excessive motor vibration |
Damaged or improper size of propeller - Replace propeller.
Damaged propeller shaft - Have propeller shaft replaced.
Weeds wraped around propeller - Remove and clean propeller.
Motor mounting bolt is loose - Tighten the bolt as required.
Steering pivot is faulty or loose Tighten correctly or replace.
Battery voltage is low - Battery is drained, charge it.
Battery is not holding charge - Service or change the battery.
Battery terminals are corroded or wires are disconnected - Check wiring connections and replace or clean terminals.
Starter motor failing - Repair or install a new starter.
| Trim motor runs but trim system does not move up or down |
Not enough oil - Need to add the oil.
Pump assembly faulty - Inspect pump and change as required.
Leakage of manual drain valve - Valve need to be closed or changed.
Pump driveshaft or motor damaged - Change defective component.
| Trim does not fully up or down |
Pump assembly is damaged - Change pump as required.
Tilt ram piston ball is displaced - Clean or repair.
Tilt ram piston O-ring damaged - Replace O-ring.
Oil insufficient - Checking oil level and add if necessary.
Lower check valve not seating in port side trim ram - Secure valve properly.
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