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    Lower cylinder failure

    Hi guys. I have a 1997 Mercury mariner 15hp. Last spring the cylinder lost compression. How hard is the rebuild? Any tips or a manual to follow? Wondering what might have caused the failure so it won't happen again? Thanks for any help
  2. F

    3.0l looses power on top end

    Hi guys new to the forum. I have a 93 mercruiser 3.0l Engine will idle all day long when you go to accelerate at wide open throttle then it will come up on plain and run good for 5 seconds then it will lack power and almost stall. If you run consistent at 3200 rpm it will run pretty good...
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