Does the starter motor spin? If it does but wont engage the flywheel, then it's the "bendix" on the starter motor which, when sent current from the starter solenoid, will move the gear on the starter motor forward to engage the flywheel teeth and turn over the tractor motor. The "bendix" is on the o...

Personally, I like roundabouts. They eliminate the the stop and go traffic of stops signs and do slow down traffic at intersections to safer speeds. My only two gripes: people (some people) treat them like stop signs and will come to a complete stop regardless of the traffic in or not in the round a...