PERIODIC MAINTENANCE AND MINOR REPAIR
6-24
1. Fuel
2. Compression
3. Ignition
4. Battery
Check connections
or recharge.
Check if there is
fuel in the tank
Enough fuel Go to compression check.
No fuel Supply fuel.
Engine doesn’t start, go to
compression check.
Use electric starter.
There is compression. Go to ignition check.
No compression. Ask a Yamaha dealer to inspect.
Remove spark
plug and check
electrode.
Wet
Wipe clean with dry cloth and correct
spark gap or replace spark plugs.
Engine doesn’t start, go to battery
check.
Dry
Ask a Yamaha dealer to inspect.
Engine turns over
quickly.
Battery good.
Engine doesn’t start, ask a Yamaha
dealer to inspect.
Engine turns over
slowly.
Use electric
starter
EAU01397
Troubleshooting chart
EW000125
w
Never check the fuel system while smoking or in the vicinity of an open flame.
4VP-F8199-E1.pm65
2/4/2004, 4:21 PM
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