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  1. S

    power loss

    i have a 1984 johnson 70 hp that lost power last weekend. it just lost rpms, at first i thought that i may have forgot to put oil in the gas but not 100% on that. i got it back to the marina and pulled the plugs and all were dry. i did notice water collecting on top of the exhaust manifold so i...
  2. S

    exhaust manifold removal

    i am currently attempting to remove and replace manifold gaskets on a 84' johnson 70 hp. my manual doesn't cover removal without everything being apart and the boat is in the water. i have all the bolts out except the bottom 2 which don't have enough room to back out completely. is there an easy...
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    compression

    what should the compression be for a 1984 johnson 70 hp. thnx, scott
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