Re: 1978 Johnson 75 hp Stinger stalls when throttled up

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August 24, 2015 at 9:06 pm #22603
mgsolakis
Participant

    I took the head right off. No doubt a blown head gasket. However that might not be the end of my problems. The cyl has a small amount of rust in it already. No doubt from the water leak. But the even more worrying thing is when I pushed on each piston I noticed a lot of play in the one on the bottom cyl. It moves in and out like the others but if I push on either side of the piston it can shift in the cyl quite a bit.