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  1. Z

    Mercury Tilt kill switch on 83 50 hp cly?

    Guys, I trying to troubleshoot my own motor by phone with the guys working on it. It's a Mariner 50 Hp 4 cly built in '83 (Serial Number: 06453196 Model Number: 7050623)<br /><br />My schematic shows a mercury tilt kill switch -- the repair shop doesn't think there is one.....<br /><br />Does...
  2. Z

    20 hours to troubleshoot an 83 Merc 50 hp? C'mon

    I need a reality check here guys. 7 weeks ago I dropped my motor at a marine shop with what I knew was an electrical problem -- also coupled with a need for a carb rebuild.<br /><br />They let it sit for 4 weeks and now, have replaced the switch box, the rectifier, and the trigger (even though...
  3. Z

    Mariner 50hp (84) Hard start (excess fuel?)

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  4. Z

    1983 Mariner50hp4 cyl low speed

    I've put this motor on a 16 foot bass boat I built myself. I am running WOT at 5500 RPM but can only manage 20 - 23 MPH via GPS. With any additional trim,the propstarts to ventilate/cavitate.<br /><br />The compression is 110 in all 4 cylinders<br /><br />The anticavitation plate is about...
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