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  1. R

    Can you rebuild an external mercury trim pump

    I have an 81 bass tracker with the external dual cylinder trim pump mounted on the inside of the transom. Is there a rebuild kit for the pump part of the unit. The unit works fine it goes up and it goes down but it does not stay up. AT all it immediately bleeds down as soon as you let off the...
  2. R

    50hp mercury tilt trim pressure problems

    I have a 1980 1/2 50 hp mercury thunderbolt with hydraulic tilt and trim SER# 8069225 MAde in Australia. i am having trouble with the trim pump not holding the motor all the way up or up at all but it will raise the motor to full tilt, but will not hold it there as soon as i let off the button...
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