Recent content by thumbdoctor

  1. thumbdoctor

    1991 Yamaha 4.3 YEMS gremlins

    Yes, I know, I have bought a good anchor or insurance submarine. Anyways, I like a good challenge so I bought this barge. The Yamaha 4.3 YEMS stern drive is in good shape (Even shifts well !) and I have rebuilt the sour Rochester 4MV. The problem I am experiencing is the RPM is limited to about...
  2. thumbdoctor

    Hello All

    New to this forum but not new to forums. I am a retired surgical metallurgist who loves all things mechanical and challenges. I guess that's why I recently purchased a 1993 Dynasty Elanti bowrider powered by a Yamaha 4.3 YEMS I/O. Judging by the water infiltration in this barge I would guess it...
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