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.
•
•
Battery and electrical connections loose or corroded.
Battery Selector Switch OFF.
Engine will not start
• Not following starting instructions. Refer to Engine Starting Sec-
tion.
•
•
•
•
•
•
Fuel tank empty.
Fuel hose disconnected, kinked.
Fuel system contaminated with water or dirt.
Fuel filter obstructed.
COLD ENGINE: Engine not choked
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.
• 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.
•
Oil pressure very low. Refer to Low Oil Pressure Warning.
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.
Steering friction screw loose.
Engine runs, but makes little or
no progress
• Propeller hub loose, slipping.
• Propeller blades bent or missing.
•
•
Propeller shaft bent.
Propeller fouled and restricted.
44
- 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 25 hp, Johnson 30 hp, Johnson PL4 |
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
(1 votes, average: 4 out of 4)
Marine readers have rated 2004 Johnson 25 30 hp PL4 4-Stroke Outboard Owners Manual 4.0 out of 4.0 based on 1 product reviews. Handy as a manual didn't come with my boat