Troubleshooting Chart - Yamaha XT250M 1999 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR

Troubleshooting chart

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1
Never check the fuel system while smoking or in the vicinity of an open flame.
2
1. Fuel
3
Check if there is fuel
in the fuel tank.
4
5 2. Compression
Use the electric starter.
6
3. Ignition
7
Remove spark
plug and check
8 electrode.
9
4. Battery
Use the electric starter.
Enough fuel. Go to compression check.
No fuel. Supply fuel.
There is compression. Go to ignition check.
No compression.
Ask a Yamaha dealer to inspect.
Wipe clean with dry cloth and correct
Wet.
spark gap or replace spark plug.
Dry.
Ask a Yamaha dealer to inspect.
Engine turns over
Battery good.
quickly.
Engine turns over Check connections
slowly. or recharge.
6-37
EAU01397*
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.