TROUBLE CHECK CHART
IMPORTANT: If you are unable to identify or solve the problem, contact your DEALER.
SYMPTOM
POSSIBLE CAUSE
Engine will not start
• Not following starting instructions. Refer to Engine Starting.
•
•
•
•
•
•
Fuel tank empty.
Fuel hose disconnected, kinked.
Fuel system contaminated with water or dirt.
Fuel filter obstructed.
Cold engine – Engine not primed.
Warm engine – Engine flooded. Disconnect fuel hose at engine,
push in choke or primer, crank engine. If it starts, run until cleared.
If it fails to start, wait a few moments and try again.
Spark plugs incorrect. Refer to Engine Specifications.
Spark plugs improperly gapped, carboned, burned, or wet.
Ignition system component failure.
•
•
•
Engine will not idle properly
Engine loses power
• Motor angle excessive.
•
Spark plugs damaged or incorrect. Refer to Engine Specifica-
tions.
•
•
Fuel system contaminated with water or dirt.
Carburetor mixture out of adjustment.
• Spark plugs damaged or incorrect. Refer to Engine Specifica-
tions.
•
•
•
Fuel filter obstructed.
Fuel system contaminated with water or dirt.
Water intakes obstructed and cooling system not operating cor-
rectly. Refer to Engine Overheating.
Engine vibrates excessively
• Propeller shaft bent.
•
•
•
•
•
Propeller fouled and restricted, blades bent or broken.
Fuel system contaminated with water or dirt.
Engine mount(s) damaged.
Oil pressure very low. Refer to Low Oil Pressure Warning.
Steering friction screw loose (if so equipped).
Engine runs, but makes little or
no progress
• Propeller hub loose, slipping.
• Propeller blades bent or missing.
•
•
Propeller shaft bent.
Propeller fouled and restricted.
46
- Maintenance
| Categories | BRP Brand Manuals, Johnson 4-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual. Marine Operator's Engine Guide. |
| Tags | Johnson 8 hp, Johnson R4, Johnson RL4 |
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)