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    Repower 1978 Hunter 30 - Ysm12 to 2YM15

    When I purchased the boat (at great discount) the old yanmar Ysm12 would not start. After struggling with it for a while I got it to start. It’s still has issues, water not flowing out and temp buzzer going off (cleared buildup and need to reinstall everything and test it this weekend), slight...
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    Used Diesel engines

    Currently having issues with an old yanmar ysm12. Called the local yanmar dealer to see how much it would cost to Replace the old yanmar in my 1978 Hunter with a new yanmar. After a few nightmare filled nights, I finally recovered from the shock of the cost to replace the old engine. The price...
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    1978 Hunter 30 throttle/shifter cables

    Hello everyone, I recently was able to get the old Yanmar Ysm12 in my Hunter 30 running with the help and suggestions of everyone on this forum. Thank you all very much! I now have maintenance issue I’m hoping someone has dealt with before or have the information available. The...
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    Repower with Westerbeke or Yanmar?

    Trying to decide if I should re-power my 30 1978 Hunter. Currently, it has a YSM 12 which I was finally able to get started. Currently in the process of replacing starter which died after I was able to get the engine fired up. After scouring the forums, it has become apparent that the little...
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    Slow turning Yanmar ysm12 on 1978 Hunter 30.

    Hello, I’m a new to sailboats and purchased my first, a 1978 Hunter 30. I bought the sailboat for a very low price knowing full well that the onboard diesel wasn’t working. The Yanmar ysm 12 engine turns over slowly and doesn’t fire up. Additionally, when you turn the key to on position an...