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    proper fuel/ oil mixture

    I have a 1975 50 hp evinrude motor. what is the proper fuel to oil mixture?
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    After rebuild Kit: Motor revs full rpm's at idle

    I just rebuilt the carburetors on my 1975 50 hp evinrude (50573b) When I started it up the engine went to full RPM's. Where should I go from here? Oh and before the rebuild it wouldn't idle at all. it would just die.
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    Rebuild Kit

    What parts come in a Carb Rebuild kit? 1975 50 hp evinrude- 50573b
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    1975 50 HP Fast,slow,fast,slow, fast,slow...

    My motor is running strangely as it will run at a good speed but then it barely moves. Sometimes it will gradually pick up speed over a period of time until it is full speed. Once its up to full speed it will stay there but if I bring the throttle down to neutral and then try to go full...
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    50 hp evinrude bogging

    My 50 hp is bogging real bad when WOT and sometimes it decides it wants to gradually run nicely. It has good compression and good spark according to the mechanic. I put new coils plugs and wires in. He said the carbs look fine. I just dont understand why sometimes it would run great and...
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