If you have a performance motor that is ventilated, R4F, Predator etc. Take the back off and clean the brush holders and free up the brushes every 2 or 3 years. This will prevent expensive commutator damage/failure from stuck brushes.
If you have a performance motor that is ventilated, R4F, Predator etc. Take the back off and clean the brush holders and free up the brushes every 2 or 3 years. This will prevent expensive commutator damage/failure from stuck brushes.