Reply To: Johnson QD fuel consumption

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May 23, 2023 at 8:37 pm #276412
mike n
Participant

    US Member

    i have a qd19 also. it runs great.  i have never checked fuel consumption, but i do have EXCESSIVE raw fuel behind boat when running slow. i put a new set of rings and had no change. i changed the fuel dump valve from a parts engine and even tried another carburetor . it never changed? its been a mystery. my qd17 and qd 20 have very little trace of raw fuel dumping???

    mn