TROUBLE CHECK CHART
IMPORTANT: If you are unable to identify or solve the problem, contact your DEALER.
SYMPTOM
POSSIBLE CAUSE
Starter motor will not operate
• Shift handle not in NEUTRAL.
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•
•
Battery and electrical connections loose or corroded.
Fuse blown. Refer to Fuses.
Battery Selector Switch OFF.
Engine will not start
• Not following starting instructions. Refer to Engine Starting.
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•
•
•
•
•
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.
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•
•
Engine will not idle properly
• Motor angle excessive.
•
Spark plugs damaged or incorrect. Refer to Engine Specifica-
tions.
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•
•
•
Fuel system contaminated with water or dirt.
Carburetor mixture out of adjustment.
Fuel/oil mixture incorrect.
Primer solenoid lever not at RUN position. Refer to Engine Start-
ing.
Engine loses power
• Spark plugs damaged or incorrect. Refer to Engine Specifica-
tions.
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•
•
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.
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Propeller fouled and restricted, blades bent or broken.
Fuel system contaminated with water or dirt.
Engine mount(s) damaged.
S.L.O.W. protection mode activated. Refer to Engine Monitor-
ing.
•
Carburetor mixture out of adjustment.
Engine runs, but makes little or
no progress
• Propeller hub loose, slipping.
• Propeller blades bent or missing.
•
•
Propeller shaft bent.
Propeller fouled and restricted.
Warning System Activates
• Refer to Engine Monitoring.
Maintenance - 41
| Categories | BRP Brand Manuals, Johnson 2-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual. Marine Operator's Engine Guide. |
| Tags | Johnson 25 hp, Johnson 30 hp, Johnson E, Johnson EL |
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
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