2007 Yamaha Motorsports Morphous Owners Manual - Page 84

2007 Yamaha Motorsports Morphous Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR EAU42130 Troubleshooting charts Starting problems or poor engine performance EWA10840 A WARNING Keep away open flames and do not smoke while checking or working on the fuel system. There is enough fuel. Check the fuel level in the fuel tank. - » • - * • Check the compression. The engine does not start. Check the compression. There is no fuel. - » • Supply fuel. - » • 2. Compression There is compression. -•• Check the ignition. Have a Yamaha dealer check the vehicle. ^^_ 6 Operate the electric starter. -*• There is no compression. - • • 3. Ignition Wet Remove the spark plug and check the electrodes. - » • Wipe off with a dry cloth and correct the spark plug gap, or replace the spark plug. - > • Operate the electric starter. Dry Have a Yamaha dealer check the vehicle. The engine does not start. Check the battery. V 4. Battery Operate the electric starter. - • • The engine turns over quickly. The engine turns over slowly. - * • The battery is good. Check the battery lead connections, and charge the battery if necessary. -*• The engine does not start. Have a Yamaha dealer check the vehicle. 6-42

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PERIODIC MAINTENANCE AND MINOR REPAIR
Troubleshooting charts
Starting problems or poor engine
performance
A
WARNING
Keep away open flames and do not smoke while checking or working on the fuel system.
There is enough
fuel.
—
*
•
Check the compression.
Check the fuel level in
the fuel tank.
—
»
•
There is enough
fuel.
—
*
•
Check the compression.
Check the fuel level in
the fuel tank.
—
»
•
Check the fuel level in
the fuel tank.
—
»
•
There is no
fuel.
—
»
•
Supply
fuel.
—
»
•
The engine does not start.
There is no
fuel.
—
»
•
Supply
fuel.
—
»
•
Check the compression.
2.
Compression
There is compression.
— • •
Check the ignition.
Operate the electric starter.
—
*•
There is compression.
— • •
Check the ignition.
^^_
Operate the electric starter.
—
*•
6
Operate the electric starter.
—
*•
There is no compression.
— • •
Have a Yamaha dealer
check the vehicle.
6
There is no compression.
— • •
Have a Yamaha dealer
check the vehicle.
3. Ignition
Wet
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark
plug.
—
> •
Operate the electric starter.
Remove the spark plug
and check the electrodes.
— » •
Wet
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark
plug.
—
> •
Operate the electric starter.
Remove the spark plug
and check the electrodes.
— » •
V
Remove the spark plug
and check the electrodes.
— » •
Dry
Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the battery.
Dry
Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the battery.
4. Battery
The engine turns over
quickly.
—
*
•
The battery is good.
Operate the electric starter.
— • •
The engine turns over
quickly.
—
*
•
The battery is good.
Operate the electric starter.
— • •
Operate the electric starter.
— • •
The engine turns over
slowly.
—
*•
Check the battery lead connections,
and charge the battery if necessary.
The engine turns over
slowly.
—
*•
Check the battery lead connections,
and charge the battery if necessary.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
EAU42130
EWA10840
6-42