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  1. W

    Rpm. For 70 3cyl

    If I'm breaking the fourm rules sorry and this can be deleted but it doesnt seem like anybody replys in the prop section I have a 13-1/4x17 prop on my 79 70 that I damaged and wonding if I should change the pitch or not I'm seeing 5200 wot at about 26mph on a 18.5 foot runabout also wheres the...
  2. W

    79 70 johnson on a 18.5 foot runabout

    I have a 73 winner couger with a 70 johnson and got the engine running perfect after a lot of work it has a 13-1/4x17 prop that I chewed up a little today I'm seeing 5200rpm wot and doing about 27mph I'm wondering if I can do any better with a pitch change or just keep it the same and need...
  3. W

    Carb Jets 79 70 johnson

    I replaced my reeds with a set of boyesens and there saying I need to richen up the mixture if I have the one style carb there saying I need to go down 3 to 5 sizes on the idle jet and if I have the other style to increase the jet size but there not specfic on which one I have also where can I...
  4. W

    79 70hp cover seal

    I'm looking for a new seal for the hood has anybody used something to replace it that looks good and not rigged I painted my cover and it came out a lot better than I thought so I want the trim seal to look right
  5. W

    1979 johnson 70 low compressi

    Hi everyone new to the forum and boating I I just recently bought a 73 winner couger that I'm in the process of replacing the transom which has been going well almost done with it. It has a 1979 70johnson outboard the engine runs and has 120psi compression on the top 2 cly but the bottom is...
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