Recent content by Moehme

  1. M

    1979 Merc 115 fuel pump "problems"?

    Just got done completely overhauling the powerhead on my 1979 Mercury 115 (inline 6). New pistons, rings, machined, gaskets, fuel lines, etc. etc. etc. Now for the problem - I don't think I'm getting fuel to the carbs. I replaced the diaphragms in the fuel pump (they came with the gasket set)...
  2. M

    1979 115hp Mercury - Pistons

    Quick scenario: Have a 115hp inline 6 cylinder with 120 lbs compression on 1, 2, 4, 5 and 6, but only 30-35 lbs on cylinder 3. Tried a couple quick "backyard mechanic" ideas to no avail so I'm down to my last resort - overhaul. Found a mechanic (my wifes cousins boy) who will do the work for...
  3. M

    1979 115hp Merc problem(s)

    Oh boy, where to begin!!! Kind of a long post - hope someone can help me. I have a compression problem on the number 3 cylinder. Bought the motor (with boat and trailer last year for $500). Seller told me engine ran but needed a tune up. Listened to it run before I bought it (seemed to run...
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