Recent content by Jtorg98

  1. J

    Johnson 100hp 4 cly 2 stroke

    Also I think they u might be right about the 3 of 4 clyinders. Will be looking at that tonight.
  2. J

    Johnson 100hp 4 cly 2 stroke

    J1009995 is the model number. Water pump and lower unit seals last year. I rebuilt a 140hp for my fish and ski and after I was done it had 110lbs in each cylinder. It took that boat to 65mph no issues.
  3. J

    Johnson 100hp 4 cly 2 stroke

    Engine starts easy, runs smooth at higher rpm’s runs rough at idle and low rpm. Compression is 103 to 105 on all cylinders. At full throttle (and I did already check linkage) it doesn’t have a lot of power like it used to. I found a bad ignition coil and replaced all 4 cause they looked bad. The...
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