Troubleshooting Charts - Yamaha Aerox R NS50F Owner's Manual

Troubleshooting charts

Starting problems or poor engine performance
1. Fuel
Check the fuel level in
the fuel tank.
2. Battery
Operate the electric starter.
3. Ignition
Remove the spark plug
and check the electrodes.
4. Compression
Operate the electric
starter or the kickstarter.
PERIODIC MAINTENANCE AND ADJUSTMENT
There is enough fuel.
Check the battery.
There is no fuel. Supply fuel.
The engine turns over
The battery is good.
quickly.
Check the electrolyte and battery
The engine turns over
lead connections, and charge the
slowly.
battery if necessary.
Wipe off with a dry cloth and correct the
Wet
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
Dry
The engine does not start.
There is compression.
Have a Yamaha dealer check the vehicle.
Have a Yamaha dealer check the vehicle.
There is no compression.
6-30
The engine does not start.
Check the battery.
The engine does not start.
Check the ignition.
The engine does not start.
Check the compression.
EAUM3290
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