Probably just wants new brushes and/or just a clean out, the debris from the brushes builds up and clogs the springs that push the brushes onto the commutator (spinning bit). the brushes then wear down to the point that the now stuck springs do not push them into contact.
This is why tapping motors with a hammer can make them work again for a while.
Brushes will be a few quid, a starter motor will be over a ton.
This is why tapping motors with a hammer can make them work again for a while.
Brushes will be a few quid, a starter motor will be over a ton.