Troubleshooting Charts - Yamaha RAPTOR 700 Owner's Manual

EBU15860

Troubleshooting charts

Starting problems or poor engine performance
1. Fuel
There is enough fuel.
Check the fuel
level in the fuel
tank. There is no fuel.
2. Compression
Use the electric
starter to see if there
is compression
3. Ignition
Wet
Remove the spark plug
and check the electrodes.
Dry
4. Battery
Engine turns over
quickly.
Use the electric
starter
Engine turns over
slowly
Check the compression.
Supply fuel.
There is compresson
No compression
Wipe clean with
dry cloth
Attach spark plug cap
and ground to chassis.
Battery is good.
Check the connections.
The engine does not start.
Check the compression.
Compression normal
Ask a Yamaha dealer to inspect
Use the electric
starter
Ask a Yamaha dealer to inspect
8-57
Spark good Ignition system normal
Spark weak
Adjust the spark plug gap
No spark
or replace the spark plug.