2004 Yamaha Outboard F2.5C Boat Motor Owners Manual

E
Trouble
Possible Cause
Remedy
1.
2.
Propeller damaged.
1. Have propeller repaired or replaced.
Propeller pitch or diameter incorrect.
Trim angle incorrect.
2. Install  correct  propeller  to  operate  out-
board at its recommended speed (r/min)
range.
3.
4.
3. Adjust trim angle to achieve most effi-
cient operation.
Motor  mounted  at  incorrect  height  on    4. Have motor adjusted to proper transom
transom.
height.
5.
6.
Boat bottom fouled with marine growth.
Spark plug(s) fouled or incorrect type.
5. Clean boat bottom.
6. Inspect spark plug(s). Clean or replace
with recommended type.
7.
8.
Weeds or other foreign matter tangled        7. Remove foreign matter and clean lower
on gear housing.                                             unit.
Fuel system obstructed.
8. Check for pinched or kinked fuel line or
other obstructions in fuel system.
D.  Engine power loss.
9.
10.
11.
12.
Fuel filter clogged.
9. Clean or replace filter.
Fuel contaminated or stale.
Spark plug gap incorrect.
10. Fill tank with clean, fresh fuel.
11. Inspect and adjust as specified.
Poor  connections  or  damaged  ignition  12. Check wires for wear or breaks.
wiring.
Tighten all loose connections.
Replace worn or broken wires.
13.
14.
Failed ignition parts.
13. Have serviced by a Yamaha dealer.
Specified engine oil not used.
14. Check  and  replace  oil   with  specified
type.
15.
16.
17.
Thermostat faulty or clogged.
Air vent screw closed.
15. Have serviced by a Yamaha dealer.
16. Open the air vent screw.
Heat range of spark plug incorrect.
17. Inspect spark  plug and  replace it with
recommended type.
1.
2.
3.
Propeller damaged.
1. Have propeller repaired or replaced.
2. Have serviced by a Yamaha dealer.
Propeller shaft damaged.
Weeds or other foreign matter tangled        3. Remove and clean propeller.
on propeller.
E.  Engine vibrates
excessively.
4.
5.
Clamp screw is loose.
4. Tighten the clamp screw.
Steering pivot loose or damaged.
5. Tighten or have serviced by a Yamaha
dealer.
5-3
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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- 95 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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