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  1. jamesonm

    Merc 850 Manual to Power tilt/trim

    Hi everyone I have a 70s (I think 73) Merc Thunderbolt 850 and it's running great. However it's a real heavy :censored: to raise and lower. Can I install power tilt where the assist cylinders are? Does anyone have recommendations for make and model that would work? Thanks! J
  2. jamesonm

    Merc 850 Thunderbolt

    Just acquired a 16 foot vanguard with what I believe to be is a 1973 Merc 850 Thunderbolt. I took the boat out and was unable to throttle up in forward, however reverse functioned normally. The boat will idle no problem and shift from neutral to forward and reverse. There is very little...
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