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EMU01752¯
TROUBLESHOOTING
A problem in the fuel, compression, or ignition systems can cause poor starting, loss of
power, or other problems. The troubleshooting chart describes basic checks and possible
remedies. (This chart covers all Yamaha outboard motors. Therefore, some items may not
apply to your model.)
If your outboard motor requires repair, bring it to a Yamaha dealer.
Trouble
Possible Cause
Remedy
A. Starter will not
operate.
1. Starter components faulty.
1. Have serviced by a Yamaha dealer.
1.
2.
3.
4.
5.
Fuel tank empty.
1. Fill tank with clean, fresh fuel.
2. Fill tank with clean, fresh fuel.
3. Clean or replace filter.
Fuel contaminated or stale.
Fuel filter clogged.
Starting procedure incorrect.
Spark plug(s) fouled or incorrect type.
4. Read “STARTING ENGINE” section.
5. Inspect spark plug(s). Clean or replace
with recommended type.
6.
Spark plug cap(s) fitted incorrectly.
6. Check and re-fit cap(s).
B. Engine will not start
(Starter operates).
7. Poor connections or damaged ignition 7. Check wires for wear or breaks.
wiring.
Tighten all loose connections.
Replace worn or broken wires.
8.
9.
Ignition parts faulty.
8. Have serviced by a Yamaha dealer.
9. Attach lanyard.
Engine
stop switch lanyard not
attached.
10.
11.
Engine inner parts damaged.
Fuel cock is closed.
10. Have serviced by a Yamaha dealer.
11. Open the fuel cock.
5-1
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 2.5C |
| Model Year | 2004 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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