2002 Yamaha Motorsports Beartracker Owners Manual - Page 146

2002 Yamaha Motorsports Beartracker Manual

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EBU00440 Troubleshooting chart There is fuel. 1. Fuel Check if there is fuel in the fuel tank. Some fuel. Turn the fuel cock to "OFF". Turn the fuel cock to "RES". Remove the fuel pipe. Check fuel flow. No fuel. Fuel cock clogged. Restart engine. Clean fuel cock. No fuel. Supply fuel. 2. Compression Use electric starter to see if there is compression. There is compression. Compression normal. No compression. Ask a Yamaha dealer to inspect. 3. Ignition Remove plug and check electrode. Wet Wipe clean with dry cloth. Spark good. Attach plug cap and ground to chassis. Use the electric starter. Ignition system normal. Dry Spark weak. Adjust plug gap or replace plug. 4. Battery Use electric starter. Engine turns over quickly. Engine turns over slowly. No spark. Battery good. Check fluid, recharge, check connections. Ask a Yamaha dealer to inspect. 8-39

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8-39
EBU00440
Troubleshooting chart
1. Fuel
Check if there is fuel
in the fuel tank.
There is fuel.
Turn the fuel
cock to “OFF”.
Remove the
fuel pipe.
No fuel.
Fuel cock
clogged.
Clean fuel
cock.
Some fuel.
Turn the fuel
cock to “RES”.
Restart engine.
No fuel.
Supply fuel.
2. Compression
Use electric starter to
see if there is
compression.
There is compression.
Compression normal.
No compression.
Ask a Yamaha dealer to
inspect.
3. Ignition
Remove plug and
check electrode.
Wet
Wipe clean with dry cloth.
Dry
Attach plug cap and
ground to chassis.
Use the
electric starter.
Spark good.
Ignition system
normal.
Spark weak.
Adjust plug gap
or replace plug.
No spark.
Ask a Yamaha dealer to
inspect.
4. Battery
Use electric starter.
Engine turns over
quickly.
Battery good.
Engine turns over
slowly.
Check fluid, recharge,
check connections.
Check fuel
flow.