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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.
If the engine warning indicator is flashing, consult your Yamaha dealer.
Trouble
Possible Cause
Remedy
1.
2.
3.
Battery capacity weak or low.
1. Check battery condition. Use battery of
recommended capacity.
Battery connections loose or corroded.
Fuse for electric start circuit blown.
2. Tighten battery cables and clean bat-
tery terminals.
A. Starter will not
operate.
3. Check for cause of electric overload
and repair. Replace fuse with one of
correct amperage.
4.
5.
1.
2.
3.
4.
5.
6.
Starter components faulty.
Shift lever in gear.
4. Have serviced by a Yamaha dealer.
5. Shift to neutral.
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.
Fuel pump malfunctions.
Spark plug(s) fouled or incorrect type.
4. Read “STARTING ENGINE” section.
5. Have serviced by a Yamaha dealer.
6. Inspect spark plug(s). Clean or replace
with recommended type.
B. Engine will not start
(Starter operates).
7. Spark plug cap(s) fitted incorrectly.
7. Check and re-fit cap(s).
8.
Poor connections or damaged ignition 8. Check wires for wear or breaks.
wiring. Tighten all loose connections.
Replace worn or broken wires.
9.
Ignition parts faulty.
9. Have serviced by a Yamaha dealer.
10. Attach lanyard.
10.
Engine stop switch lanyard not
attached.
11.
Engine inner parts damaged.
11. Have serviced by a Yamaha dealer.
5-1
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha F6C, Yamaha F8C, Yamaha T8C |
| 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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