5-4
GB
Trouble Possible Cause Remedy
13. Poor connections or damaged 13. Check wires for wear or breaks.
ignition wiring Tighten all loose connections.
Replace worn or broken wires.
14. Failed ignition parts 14. Have Yamaha dealer service.
15. Specified engine oil not used 15. Check and replace it as specified.
16. Thermostat faulty or clogged 16. Have Yamaha dealer service.
17. Air vent screw is closed 17. Open the air vent screw.
18. Fuel pump damaged 18. Have Yamaha dealer service.
19. Fuel joint connection is wrong 19. Connect correctly.
20. Heat range of spark plug incorrect 20. Check the plug condition and
replace it with a correct one.
E. Engine power loss
F. Engine vibrates
excessively
1. Propeller damaged 1. Have propeller repaired or replace.
2. Propeller shaft damaged 2. Have Yamaha dealer service.
3. Weeds or other foreign matter 3. Remove and clean propeller.
tangled on propeller
4. Motor mounting bolt is loosen 4. Tighten the bolt.
5. Steering pivot is loosen or damaged 5. Tighten or have Yamaha dealer
service.
6A1-9-7LA0-5 3/7/02 12:19 PM Page 169
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