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  1. K

    2000 150hp SW series OX66 Fuel Management system

    I have twin 150's on my boat and one fuel management system gauge. The guage is tied to the key switch of the left engine. When trolling I swap from one engine to the other about every half hour to balance fuel and hours. What I want to know is when the key switch that is tied to the gauge is...
  2. K

    1973 50hp mercury runs awful under load

    Motor runs great in the yard, and RPM's run up with the idle throttle fine In the water in gear it runs awful. It will run up to about 25% power. Throttle all the way forward and it dies. It shakes but no strange noises. Help please
  3. K

    1973 50hp merc. water and gear issues

    Ok I relaced my impellar and reinstalled the unit. Still no water moving I have tried rooting out both ends of the hose and pressured water and I can't get the gearing lined up. Could it be a Thermostat " If so where is it, how do I get to it, and where can I get a replacement or does it even...
  4. K

    1973 50hp merc. 4 cycl.

    What size is the bolt down in the hole used loosen to remove the zinc fin. I am trying to remove the lower unit but can't figure out what will fit in the little hole to loosen the bolt. It is getting a little frustrating
  5. K

    1973 Mercury 50 hp water output

    I just bought this boat. Runs great but no pee hole. Where does the water exit and how do I know if it is putting out enough. It does not appear to be running hot. Thank you
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