Home › Forum › Ask A Member › 1966 20hp Wont Start/Backfire › Re: 1966 20hp Wont Start/Backfire

#25049
sydinnj
Participant

    Had a motor that backfired then it would not start, turned out that when it backfired it sheared the flywheel key and through the timing off. New key and we were good to go. Maybe also a bad crank seal.