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  1. J

    1976 Mercury 850 wont start after jump

    So I just swapped out the old Mercontrol throttle for a used Quicksilver throttle (mid 90s probably) cross referenced the wire colors because i had to swap the female plug from the throttle control that goes to the male motor wire harness and seemed to work fine once hooked up, turned the key...
  2. J

    Throttle Remote Box recommendation 85 Hp Mercury s

    Im in the process of restoring a 76 Steury x150 with a 76 Mercury 850 Thunderbolt...had original mercontrol throttle with handle and cold start choke lever, wanting to upgrade to a good new controller with cables and also the boat does not have electric trim but I am adding it so thinking maybe...
  3. J

    1977 Mercury 850 cranks then stops

    Just picked up a 1976 Steury x150 with a Mercury 850 and Mercontrol shifter...just changed out the engine wiring harness and spark plugs and followed procedure for starting and it cranks for a few seconds but right when it seems to fire up it stops cranking and starter just makes a continuous...
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