1. Disconnect the negative battery cable.
2. Remove the starter motor mounting bolts.
3. Remove the starter motor from the motorcycle.
4. Remove the starter solenoid.
5. Clean the starter motor and solenoid with a solvent and a brush.
6. Inspect the starter motor and solenoid for damage. If the starter motor or solenoid is damaged, replace it.
7. Reinstall the starter motor and solenoid.
8. Reinstall the starter motor mounting bolts.
9. Reinstall the negative battery cable.