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  1. C

    Yanmar 4lh 170 hp turbo. Cranks slow

    The battery is new and fully charged. The starter is a new aftermarket starter and has been tested. We have tried connecting battery directly to the starter. When trying to start the engine will crank slow for about 3 seconds and then stop The boat had taken on some water up to about 1/3 of...
  2. C

    2000 mercury 50 hp restrictor plate

    I have a 2000 Mercury 50 hp 4 stroke . I have read that by taking out the restrictor plate I can make it a 60 hp. Is this true , if so how do I do it?
  3. C

    2000 mercury 50 hp 4 s. erratic idle

    My new to me motor has a few issues. It idles too high( no tach) and runs smooth. After taking the boat for a spin when I slow down and put in neutral it will idle even higher making it hard to put back in gear. What would cause this? also the motor does not seem to achieve top rpm and seems a...
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