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Periodic maintenance and adjustment
1
Troubleshooting charts
Starting problems or poor engine performance
2
1. Fuel
3
Check the fuel level in
the fuel tank.
4
5
2. Battery
Operate the electric starter.
6
7
3. Ignition
8
Remove the spark plugs
and check the electrodes.
9
4. Compression
10
Operate the electric starter.
11
12
There is enough fuel.
Check the battery.
There is no fuel.
Supply fuel.
The engine turns over
The battery is good.
quickly.
Check the battery lead connections,
The engine turns over
and have a Yamaha dealer charge
slowly.
the battery if necessary.
Wipe off with a dry cloth and correct the
Wet
spark plug gaps, or replace the spark plugs.
Dry
Have a Yamaha dealer check the vehicle.
The engine does not start.
There is compression.
Have a Yamaha dealer check the vehicle.
There is no compression.
Have a Yamaha dealer check the vehicle.
8-37
The engine does not start.
Check the battery.
The engine does not start.
Check the ignition.
Operate the electric starter.
The engine does not start.
Check the compression.
EAU42505
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Table of Contents
Troubleshooting
