Recent content by mgilker

  1. M

    1988 Mercruiser 3.7 electrical problems

    im working on an '88 mercruiser 3.7 and it is having serious electrical issues. when a battery is hooked up, everything seems fine, but when the engine is cranked over it cranks slow or barely at all, even with a fully charged battery, and when its cranked the battery cables and the terminal...
  2. M

    Gas in oil in 1977 Mercruiser 120

    I'm working on a 1977 Mercruiser 120 that has gas in the oil. I noticed the gas in the oil after working on the carb because it wasn't working right, most likely a sticky float; and after checked the oil i seen it was very light in color then noticed the smell of gas. I drained the oil from the...
  3. M

    1988 Mercruiser 3.7 over-heating

    working on a Mercruiser 3.7 and its over-heating. had it out on the water recently before the problem was detected and shortly noticed that the heat exchanger was pouring out water from the back of it [back plate]. took the plate off which seemed to be pretty much only finger-tight to inspect...
  4. M

    Fish-Finder..?

    I'm not really sure where to put this forum soo... how dose a fish-finder work and can it be used to mesure the depth of water ways? iI'v had a few boats and a common problem is running aground on submerged objects.. is there some way [either fish-finder or other] to see these objects [objects...
  5. M

    External Resistor on '77 Mercruiser 120

    i am not getting spark to my boat engine. i'v just recently tested the coil, so i know that is not my problem. i do beleave it is the External Resistor thats the problem. dose anyone know where it is? and how to fix it if it can no longer be bought? help on the would be appreciated.
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