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    1978 Johnson 115hp Bad Ring - worth messing with?

    Okay, above mentioned outboard started idling rough/dropping a cylinder. had to adjust the idle up a little to keep her cranked. did compression check 1,2,4 cylinders all 125-130psi #3 cylinder 100psi. Opened head and noticed very small imperfection where a ring is starting to sheer. cylinder...
  2. C

    1998 Johnson 25hp dropping a cylinder when warm

    first post guys. been reading this forum for a long time. here is my current problem. 25hp tiller - went from running fine 2 months ago - to having a weird "pulse" losing RPMs at full throttle after running 20 minutes or so, then clearing up. i thought maybe junk in carb. cleaned carb. same...
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