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    Merc 500 slowing down

    I have a 1967 Merc 500 runs great just got the boat to trim up properly. I do have one problem once on plane after a litle while the motor just starts slowing down. I noticed that if I bring it back down to idle and hit the throttle again it runs just fine for a bit then does it again. Could...
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    67 Merc 500 11 Spline shaft conversion

    I have a 67 Merc 500 and over this winter I would like to change it out so I have a 13 spline and a better selection of props. Any one of the Mercury guru's here know if it can be done? Whats poarts from what year will I need?
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    Some cavitation problems.

    Finally got my new prop today. had to go with a 13 pitch when I was looking for a 12. They dont make a prop for my motor according to the 2 local shops. My cav plate is about 2 inches higher than my stern. and when I go WOT i have cavitation problem and cannot get fully on plane. Is there...
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    Prop ID and suitable replacement

    Merc 500 numbers on the prop are 48-33774-10 I need to find a replacement but havent had much luck with those numbers on google. Any help?
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    1967 Merc 500 Prop question

    I just bought this motor and it has a chewed up prop. I think the rubber has sheared since with a bit of effort the center spins but the prop does not. is that normal? I have never dealt with the lower ends on outboards except to change the water pump. And also where can I get a prop? most...
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    57 Johnson 35hp flywheel

    I cannot get this thing to budge. I removed the nut used a 3 hole puller and cannot get it to move. Tried tapping it then resorted to heating it. But cannot get it to budge. Is there anything I am missing? I actually pulled the threads out on one bolt. So now to go get some HeliCoils. Any help...
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    1957 Johnson 35hp Electric start

    I recently got this motor from a friend. It runs great but I would like to have electric start since it is on a runabout style boat. I have not been able to find much info on what I will need to do this or where to aquire parts. Also if anyone has pictures of where the starter mounts it would be...
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