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    lbatson's Avatar
    lbatson Posts: 1, Reputation: 1
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    #1

    May 30, 2010, 01:49 PM
    MTD Yard machine w/B&S 12.5hp ohv won't start.
    It was running fine and while in the midst of cutting, it died and when trying to restart, it would just click. I initially thought starter, so I rebuilt and it is working fine when benchtested. I moved over to the solenoid and replaced as I had a new one to begin with. Tested batter as well, battery is good. Still only clicked when I tried to start. I turned by hand unti it froze then attempted to crank. It fired up the made a sound that sounded like someone dropping a socket into an engine, then died. Since then, it will crank but only spin, does not fire up and I can spin it with one hand and hardly any tension. Please help...
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    May 30, 2010, 06:13 PM

    1) Flywheel key is sheared. Replace.
    2) Adjust valves
    3) Worried about possible internal damage such as broken rod or bent valves. After doing 1 & 2 crank engine with plug removed, manually first.

    Initial problem probably valves. Starter was probably OK.
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