Troubleshooting Chart - Yamaha Thundercat YZF600R Owner's Manual

Troubleshooting chart

WARNING
@
Never check the fuel system while smoking or in the vicinity of an open flame.
@
1. Fuel
Check if there is fuel
in the fuel tank.
2. Compression
Use the electric starter.
3. Ignition
Remove spark plugs
and check electrodes.
4. Battery
Use the electric starter.
PERIODIC MAINTENANCE AND MINOR REPAIR
Enough fuel. Go to compression check.
No fuel. Supply fuel.
There is compression. Go to ignition check.
Ask a Yamaha dealer to
No compression.
inspect.
Wipe clean with dry cloth and correct
Wet.
spark gap or replace spark plugs.
Dry. Ask a Yamaha dealer to inspect.
Engine turns over
Battery good.
quickly.
Engine turns over
Check connections or
slowly.
recharge.
6-40
EAU02990*
EW000125
Engine doesn't start, go to compression check.
Open throttle half-way and start
the engine.
Engine doesn't start, go to battery
check.
Engine doesn't start, ask a Yamaha
dealer to inspect.
6