Recent content by big boost

  1. B

    anyone with knowledge of the 83 mercury 70hp top cylinder issue

    like i said 3 cylinder 2 carb 83 merc blue belt , im looking for someone who has rebuilt one and hasnt had it burn the top cylinder out of it within a year and who is familiar with tuning these old pigs, runs great it just when i do my run down after every time i take it out. its running...
  2. B

    1983 mercury 70hp tuning

    hello i have a merc 70 three cyl two carb, i put new rings in it and had it honed, pretty much ever thing has been replaced including the stator, the problem with these is the top cyl any mechnic knows about these motors so she runs great 135 top to bottom with compression after break in, im...
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