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  1. N

    Engine stopped high end on water

    They were the flat style plugs and worked for 2 years until last weekend. Motor runs great on muffs but I would say nothing in water compared to what it used to. I will try to get my hands on a timing light. I don’t ever recall a backfire but I feel the cranking time is a little longer than it...
  2. N

    Engine stopped high end on water

    I forgot to mention, also changed plugs. They looked fine but first time with the marine flat style plug
  3. N

    Engine stopped high end on water

    1991 Force 90hp 2-cycle 3 cylinder motor has been working great until we were on the river and now it does not get high RPM or speed. Launched the boat and started cruising about 3/4 throttle. Throttled back for about 30-45 seconds and tried getting back to cruising speed but only about 5-7...
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