Recent content by jimmyneutron

  1. J

    1987 Johnson 120hp V4 idle issue - only idles when air bleed is removed

    Hello, i’m trying to diagnose the issue on my 1987 Johnson 120hp V4 VRO. It starts in high idle (muff or water) but engine rpm gradually dies and stalls out after few minute. if I disengage high idle to normal idle, it immediately dies. I found that if I remove the 4 intermediate air bleed...
  2. J

    1987 Johnson 120hp - Water pressure gauge

    Hi, I'm thinking of installing a simple water pressure gauge for my engine. I researched into this and saw a variety of ways this can be accomplished. Some people prefer to tee off of the tell-tale. But wouldn't that give an inaccurate reading? Since one end of the tee is free flowing, the...
  3. J

    Prop lip wobble

    Hi, Recently I hit some rocks in shallow water while planing at 25mph, the props were totaled. Lost 2/3 of one blade, and chipped the other blades. Engine gave an overheat alarm for a while don't know why, but it stopped. I purchased a new prop afterwards. The question at hand is, whether my...
  4. J

    1987 Johnson 120hp - Steady alarm after prop hitting rock

    Hello, This is my first post on this forum. I generally don't participate in any forums, but I have been lurking on iboats forum for a while though. I apologize for the lack of an introductory post. Recently I purchased a second hand 1987 17' Peterborough Bowrider with a 120hp Johnson V4 (w/...
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