Home › Forum › Ask A Member › ’57 Johnson 7.5 hp dropping a cylinder, but got it back??? › Re: ’57 Johnson 7.5 hp dropping a cylinder, but got it back???

#35197
jeff-register
Participant

    First I would make use of a meter. Need a Merc o tronic to check the magneto parts. Be sure everything is very clean, then open the shroud & run it at night. You are looking for sparks from bad wires too.
    Good luck & check every part with a meter as you assemble the magneto!