2004 Yamaha Outboard F6C F8C T8C Boat Motor Owners Manual

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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
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags, ,
Model Year2004
Download File
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- 129 pages
LanguageEnglish
Product BrandYamaha 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 TypePDF
Publisheryamaha-motor.com
Wikipedia's PageYamaha Motor Company
CopyrightAttribution Non-commercial
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