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Thread: R2 Carburetor

  1. #1
    Join Date
    Sep 2009
    Location
    Westchester N/Y
    Posts
    18

    Default R2 Carburetor

    Have a problem with the Zenith carburetor on my R2
    Tractor gets started 1 or 2 time a year most times after the first crank gas pours out the carburetor
    Tractor will run and gas will not leak from carb while it is running
    If I shut it off no leak and will not leak if I restart
    I think it has to be float adjustment but canít find the proper way to adjust it
    The needle valve works and I did clean the carburetor and replace the gaskets with no change
    Any thoughts on the problem or adjustment information would be appreciated

    Thank You
    Greg

  2. #2
    Join Date
    Nov 2006
    Location
    McBEE, SC
    Posts
    2,284

    Default

    Too much choke? Sticky float valve due to old gas that gets cleaned out during the run?
    D2 5u & 3J
    212 9T
    RD4
    D4 7J & 7U
    R4 4G
    Gas 35's
    Diesel 35
    Diesel 40
    Gas 50's 5A
    Diesel 50 1E1755
    Diesel 75
    D 8800 power unit 9J 6113SP
    LeTourneau D4 tournapull/Q Carryall
    Letourneau D Carryall's
    LaPlant-Choate CAB-97

  3. #3
    Join Date
    Apr 2007
    Location
    Elkhorn, WI
    Posts
    3,749

    Default Maybe this will help?

    My 22 had a similar problem, there is a spec sheet on the K5(?) posted on here which I found with float measurements. I tweaked the float arms "slightly" to lower the float a "hair". I no longer have the gas puking problem similar to what you are describing.

  4. #4
    Join Date
    Sep 2009
    Location
    Westchester N/Y
    Posts
    18

    Default

    Thank you both for your reply

    found the spec sheet and will try the adjustment tomorrow

    Greg

  5. #5
    Join Date
    Nov 2006
    Location
    Buffalo Grove Il
    Posts
    282

    Default

    Use Sta-bil in the gas all the time.


    Chuck C

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