Cold weather start did not happen. Machine ran fine day before. Sounded like something popped but I'm not sure. Could it be belt or electronics?
Check that the pinion of the starter is engaging the flywheel teeth
check that the over run clutch of the pinion is engaging and not over running when it is supposed to lock up to turn the flywheel
Testimonial: "Ok thanks Bill. Do I do these checks from where. The flywheel side or the starter side? I was thinking that they should line up with the starter motor in its case and in the proper position."
remove the starter motor and see if the pinion turns in both directions freely. if it does so then the pinion has to be replaced
they work by a series of oval shaped balls that when rolled in one direction jam in the case and so turn the pinion gear
when the engine starts and the pinion is still engaged these balls are run to a position where they unjam and allow the gear to spin freely, thereby saving the starter motor
They are known to fail or get stuck from rust etc and will not jam when required
this allows the pinion to engage in the flywheel but there is no lock action from these balls so the starter just spins
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