5-4
E
Trouble
Possible Cause
Remedy
13. Poor connections or damaged
ignition wiring.
14. Failed ignition parts.
15. Specified engine oil not used.
16. Thermostat faulty or clogged.
17. Air vent screw closed.
18. Fuel pump damaged.
19. Fuel joint connection incorrect.
20. Heat range of spark plug incorrect.
13. Check wires for wear or breaks.
Tighten all loose connections.
Replace worn or broken wires.
14. Have serviced by a Yamaha
dealer.
15. Check and replace oil with
specified type.
16. Have serviced by a Yamaha
dealer.
17. Open the air vent screw.
18. Have serviced by a Yamaha
dealer.
19. Connect correctly.
20. Inspect spark plug and replace it
with recommended type.
E. Engine power loss.
F. Engine vibrates
excessively.
1. Propeller damaged.
2. Propeller shaft damaged.
3. Weeds or other foreign matter
tangled on propeller.
4. Motor mounting bolt loose.
5. Steering pivot loose or damaged.
1. Have propeller repaired or
replaced.
2. Have serviced by a Yamaha
dealer.
3. Remove and clean propeller.
4. Tighten bolt.
5. Tighten or have serviced by a
Yamaha dealer.
62Y-9-1B-5 6/26/02 17:57 Page 5
Summary of Contents for F50B
Page 2: ...62Y 9 1B Hyoshi 2 7 12 02 11 13 Page 2 ...
Page 4: ...62Y 9 1B 1 6 26 02 17 19 Page 2 ...
Page 6: ...62Y 9 1B 1 6 26 02 17 19 Page 4 ...
Page 24: ...E MEMO 62Y 9 1B 1 6 26 02 17 19 Page 22 ...
Page 40: ...E MEMO 62Y 9 1B 2 6 28 02 14 41 Page 16 ...
Page 94: ...E MEMO 62Y 9 1B 4 7 9 02 11 19 Page 34 ...
Page 104: ...E MEMO 62Y 9 1B 5 6 26 02 17 57 Page 10 ...
Page 105: ...EMP00010 Chapter 6 INDEX INDEX 6 1 1 2 3 4 5 6 E 62Y 9 1B 6 6 26 02 18 00 Page 1 ...
Page 114: ...62Y 9 1B 6 6 26 02 18 00 Page 10 ...
Page 115: ...67K 9 14 1 2 28 02 11 23 AM Page 2 ...
Page 118: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2 ...