Troubleshooting Chart - Yamaha RAPTOR YFM50S Owner's Manual
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Also See for RAPTOR YFM50S:
- Owner's manual (350 pages) ,
- Service manual (236 pages) ,
- Assembly manual (33 pages)
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EBU00440
Troubleshooting chart
There is fuel
1. Fuel
Check if there is
fuel in the fuel
Some fuel
tank
No fuel
2. Compression
Use electric starter
to see if there is
compression
3. Ignition
Remove spark plug
and check electrodes
4. Battery
Use electric
starter
Remove the
fuel hose from
the fuel cock.
Turn the fuel
cock to "OFF"
Turn the fuel
cock to "RES"
Supply fuel
There is compresson
No compression
Wipe clean with dry
Wet
cloth
Attach spark plug cap
Dry
and ground to chassis
Engine turns
Battery good
over quickly
Engine turns
Check fluid, recharge,
over slowly
check connections
Water or dirt
mixed in fuel
Turn the fuel
Check fuel flow
cock to "ON"
Restart engine
Compression normal
Ask a Yamaha dealer to inspect
Use electric
starter
Ask a Yamaha dealer to inspect
8-28
Clean the fuel filter
and the fuel tank
No fuel
Spark good
Ignition system normal
Spark weak
Adjust spark plug gap
No spark
or replace spark plug
Fuel cock clogged
Clean fuel cock
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Troubleshooting
