E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 serviced by a Yamaha

 

 

 

 

 

 

dealer.

 

15.

Specified engine oil not used.

15.

Check and replace oil with

 

 

 

 

 

 

specified type.

 

16.

Thermostat faulty or clogged.

16.

Have serviced by a Yamaha

 

 

 

 

 

 

dealer.

E. Engine power loss.

17.

Air vent screw closed.

17.

Open the air vent screw.

 

18.

Fuel pump damaged.

18.

Have serviced by a Yamaha

 

 

 

 

 

 

dealer.

 

19.

Fuel joint connection incorrect.

19.

Connect correctly.

 

20.

Heat range of spark plug incorrect.

20.

Inspect spark plug and replace it

 

 

 

 

 

 

with recommended type.

 

21.

High pressure fuel pump drive belt

21.

Have serviced by a Yamaha

 

 

 

 

broken.

 

dealer.

 

22.

Engine not responding properly to

22.

Have serviced by a Yamaha

 

 

 

 

shift lever position.

 

dealer.

 

 

 

 

 

 

 

 

1.

Propeller damaged.

1.

Have propeller repaired or

 

 

 

 

 

 

replaced.

 

2.

Propeller shaft damaged.

2.

Have serviced by a Yamaha

F. Engine vibrates

 

 

 

dealer.

3.

Weeds or other foreign matter

3.

Remove and clean propeller.

 

 

excessively.

 

tangled on propeller.

 

 

 

 

 

 

 

 

 

4.

Motor mounting bolt loose.

4.

Tighten bolt.

 

5.

Steering pivot loose or damaged.

5.

Tighten or have serviced by a

 

 

 

 

 

 

Yamaha dealer.

 

 

 

 

 

 

 

5-4