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    Help no spark on my merc 500

    Re: Help no spark on my merc 500 ok so i took the front piece off and this is what i found do you think this is my problem
  2. P

    Help no spark on my merc 500

    I need some help i have no spark on any of my spark plug wires, it ran fine last year but i did hook the battery up backwards :facepalm: i didnt know if i broke somthing doing that or if it is just getting old, the engine is a 1967 merc 500 50hp 4 cylinder. all help is much appriciated
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    1967 mercury 500 lower unit

    hi i have a 1967 mercury 500 50hp 4cyl sn 2118510 im wanting to change the impeller ive tried taking off the lower unit i took off 3 nuts and tried to pry it out but im getting nowhere please help thanks
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    1967 mercury 500 impeller?

    hi i have a 1967 mercury 500 50 hp 4cyl sn 2118510 and it runs fine but at an idle it does not shoot out water just some steam it runs out fine wide open is this normal any help is appreciated thank you
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