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  1. R

    75 Mercury 850 cylinder temps

    Recently got a boat with a 1975 Mercury 850 on it and the lower crank bearing went out. Replaced the lower bearing and housing and while I had it apart replaced the rings and water baffle plate. The person we got the boat from said he had carb work done. I found that the top carb had the main...
  2. R

    75 Mercury 850 tilt tube

    Hi All I bought a boat with a 1975 mercury 850 and the guy I bought it from mocked up a transom mount steering with the cable directly mounted to the motor steering arm. I want to change this to using the tilt tube in the motor but it appears to have a smaller tilt tube than normal. I measure...
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