EBU00440
Troubleshooting chart
1. Fuel
Check if there is
fuel in the fuel
tank
2. Compression
Use electric starter
to see if there is
compression
3. Ignition
Remove spark plug
and check electrodes
Wet
Wipe clean with dry
cloth
Dry
Attach spark plug cap
and ground to chassis
Use electric
starter
Spark weak
Spark good
Ignition system normal
No spark
Ask a Yamaha dealer to inspect
Adjust spark plug gap
or replace spark plug
There is compresson
Compression normal
Ask a Yamaha dealer to inspect
No compression
There is fuel
Turn the fuel
cock to “OFF”
Remove the
fuel hose from
the fuel cock.
Some fuel
Turn the fuel
cock to “RES”
Restart engine
No fuel
Supply fuel
4. Battery
Use electric
starter
Engine turns
over quickly
Battery good
Engine turns
over slowly
Check fluid, recharge,
check connections
Check fuel flow
Water or dirt
mixed in fuel
Turn the fuel
cock to “ON”
No fuel
Fuel cock clogged
Clean the fuel filter
and the fuel tank
Clean fuel cock
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5YF-9-62 8 2/23/05 6:56 PM Page 8-71
Summary of Contents for RAPTOR YFM50RV
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Page 168: ...7 1 OK OK OK Riding Your ATV 5YF 9 62 7 2 22 05 9 02 AM Page 144 ...
Page 169: ...7 2 Conduite Conducción du del VTT ATV 7 OK 5YF 9 62 7 2 22 05 9 02 AM Page 145 ...
Page 319: ...8 74 5YF 9 62 9 3 4 05 10 00 PM Page 1 ...
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