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  1. ASwan73

    89 Johnson 70 hp idle question

    I have a 1989 Johnson J70TLCEM 70 hp that idles at around 1000-1100 on muffs but put it in the water and it drops to 750-800. How do I get this so it idles at 1000-1200 rpms in the water? It will stall out of the rpms get too low. Replaced all filters and lines yesterday and check spark air gap...
  2. ASwan73

    New prop for 88 javelin

    I have a 1988 javelin 356 with a 1989 Johnson 70 hp vro on it. Currently have a 12.75x17 four blade prop on it running at 5300-5400 rpm at wot. I am getting 32 mph gps speed from it. Looking for ideas on how to get more speed with a decent hole shot. I have the original prop for the motor it is...
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