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  1. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

    Update : I have put in an order for a rebuilt replacement carb. I also came across good information on diagnosing and fixing any steering issues and will try and tackle that tomorrow. one other issues i need to address are that i can only seem to engage drive at the engine, and the original fuel...
  2. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

    after disassembly i am willing to bet that the previous owner did indeed attempt a rebuild of the carb before sale to me. the accelerator pump parts look to be new as well as all the gaskets. Every piece of brass in there is chewed to hell. and i even found a little C clip in the bottom of the...
  3. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

  4. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

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  5. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

    thanks for the quick response! I guess i will be pulling to carb today to see just what i'm dealing with, thanks. Its just interesting to me because other then the high idle it runs smooth. Also I've never heard of a dirty or clogged carb, causing a ridiculously high idle (3k rpm). To me in the...
  6. stevenusmith

    Mercruiser 4.3 idles at 3k rpm

    I bought a 1992 19' Thompson Carerra with the 4.3 and alpha one. this is my first inboard boat however im fairly fluent in engine mechanics.. that being said when i purchased the boat it did not run. i discovered the gas was old and full of rust. i grabbed a clean little 5gal tank and added...
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