Recent content by Lennyb5641

  1. L

    3 or 4 cylinders

    Besides one extra cylinder what is the difference between a 3 and 4 cylinder outboard with the same horse power?
  2. L

    1970 mercury thunderbolt 650

    How can I tell if my reeds are bad without breaking down the motor? The motor is a 1970 mercury thunderbolt 650, 4 cylinder, 65 hp
  3. L

    1970 mercury thunderbolt 650

    My motor ran great last weekend and now it won't start and is back firing through the prop, I have no clue what it can be so does anyone have any suggestions? Can someone please help me here, I don't know how to do a compression test without the gage but I don't think it's the problem, not to...
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