Ask YAMAHA dealer to inspect.
compression check.
Engine doesn't start, go to
Dry with
Black Soot
Wet
No compression.
There is compression
electrode.
plug and check
Remove spark
Use kick starter.
Wipe clean with dry cloth
and correct spark plug
Go to Ignition check.
Enough fuel
No fuel
Go to compression check
in the fuel tank
Check if there is fuel
Supply fuel.
Open the throttle half-way
and start the engine.
or replace spark plug.
WARNING
Never Check the fuel system while smoking or in the vicinity of an open flame.
PERIODIC MAINTENANCE AND MINOR REPAIR
6-34
Ask YAMAHA
dealer to inspect.
Troubleshooting chart - For Starting
1. Fuel
2. Compression
3. Ignition
If Engine does not start
Contact YAMAHA dealer.
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