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  1. 8

    upper exhaust relief ports

    Should there be exhaust exiting from upper relief ports on midsection or just water on a 1979 Johnson 150?? I only have water and quite a heavy stream at that!! Thanks....
  2. 8

    johnson 150 trouble

    Help!!:mad: I'm new to this forum but I've utilized it many times. So thanks to all for that. I've traded for a 1979 Johnson 150 that had the block replaced with a 1986 model. Since I've had the motor I've replaced the starter, shaved the heads .050, replaced the mechanical choke carbs with...
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