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  1. X

    oil mix

    OK guys, I still don't have a clue what year my 20 HP Merc is because the plate is missing. Now I need to know what oil mix I should use. I would assume 50-1 but you know what assume stands for. In this case "screw up your motor". It is electronic ign. and thats about all I know. Thanks for...
  2. X

    motor ID

    Is there any place on a 20HP Merc. that will have the SN besides the ID plate on the transom clamp? It seems someone needed to remove it for some reason. Glad I bought it for junk. Thanks
  3. X

    Montgomery Ward year

    My neighbor just gave me a single cylender Montgomery Ward and I would like to know the year. The model # is GG8962A SN: 85X722200. Thanks
  4. X

    1979 9.9

    I have a 1979 johnson 9.9 and am concerned about the oil ratio. I've had this motor for years but just started using it regular last summer. I have no idea how the previous owner was mixing the gas/oil but I have been mixing 100/1 as recommended. Now I understand that the 100/1 may not be good...
  5. X

    power head swap

    I have a 1979 55hp rude model 55975c and would like to put a 1973 50hp 50373r power head on it. I know the shafts have a different part #'s but does that really matter? Otherwise I think they will interchange. Thanks, :confused:
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