Recent content by J Dawg

  1. J

    1995 VP 3.0 overheating

    I have a 1995 Crestliner 1750 Sportfish, VP 3.0 with the SX-SLT outdrive. I wanted to try another pitch prop on it. It had an alum Michigan wheel 15 dia 17 pitch when I bought it. Ran fine with it and felt like I was topping out at 4000 rpm. Trying to put a 4 blade alum Solas prop 14.75 dia and...
  2. J

    1974 Mercury 402 poppet valve

    I have a problem, my motor was overheated and no damage to power head except the poppet valve melted into the spring. I have looked everywhere for a replacement and can only find a thermostat. My motor is the serial group #5. Serial number 3593716. I replaced the cdi box and the lower unit and...
  3. J

    1974 Mercury 402 thermostat

    I am looking for a thermostat kit that includes the poppet and seals. Ordered the wrong one and can’t find the correct kit. Any info is appreciated.
  4. J

    1970 Johnson 25R70E ignition problems

    I have a great looking and good running Johnson 25hp. I have replaced and cleaned a lot of things on this motor. I got it from a coworker who had let it sit for a few years, but it took very little to get it running. When I start it it runs rough and backfires/sputters and then dies. I have had...
  5. J

    1973 Mercury 402 manual start no spark

    I have solved fuel problem, just now I have no spark. What can I check and how can I check to see what is possibly bad? I have not purchased a manual for this motor, but I have experience with all things mechanical. And I have found diagrams thru websites to confirm items.
  6. J

    Mercury carb leaking fuel

    I have a 1973 Merc 402 single carb and it is leaking/shooting fuel out of the vent in the fuel filter housing. Is there supposed to be a plug in the vent hole in the housing? When I pressurize the fuel line is squirts out of the vent hole. I just put all new gaskets in it and didn't notice the...
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