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Thread: get it to run.

  1. #1

    Default get it to run.

    Hey guys I've been working on the stock 230 tring to make it run, I've set the dwell, gapped the plugs, dielectric the connections, cleaned flue lines and filters. Starts on the first hit, sputters for a couple minutes and dies, cant give and throttle during sputtering. Also noticed gas leaking from the bottom butterfly housing... possible problem??
    Thanks

  2. #2

    Default

    Sounds like your carb needs a good cleaning and the float is sticking open.
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  3. #3
    Join Date
    Jun 2014
    Location
    Eastern Maine
    Posts
    377

    Default

    Agree, a carb clean/rebuild, cheap and simple.

  4. #4

    Default

    Thanks, that's where I was headed too. Took it off last night and the throat and choak flap looked like the inside of a chimney, found one soggy and half split gasket under the valve body. Was wondering, when I got this it had a fuel pump with 30 psi@80 gallon flow there was a regulator but who knows. Question though is could the fuel pressure have damaged the carb?

  5. #5
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    I am no expert but I think that 30 PSI is way too high for this carburetor. Isn't it usually less than 10 PSI?

  6. #6
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    I just checked the online manual (Link at the top of this page, TM 9-2320-244-34 Direct Support and General Support Maintenance Manual) and here is what it says: "Pressure should be 3-1/2 to 5-1/2 psi at 600 rpm"

  7. #7

    Default

    30 psi is almost getting to fuel injection levels. Probably 3 times too high. Can you turn that fuel pump off? I've seen a lot of four wheelers that used both the stock fuel pump and an auxiliary pump to help out on really steep inclines. Quite a few of my friends with old CJs would run them but I don't think any of them were close to that kind of pressure.
    Come and take it
    Go work at joann fabrics if you can't shoot a gun

  8. #8

    Default

    Fuel pressure should be 4-6 psi. Any more than that will flood the carb. You could regulate it down.

    If you still have the stock fuel pump it can be rebuilt. http://www.then-now-auto.com

  9. #9

    Default

    Anything over 7 psi is too high for any carb. They used to make fuel pressure regulators you could put on between the carb and fuel pump if you had an electric fuel pump that had too high of pressure.

  10. #10
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    Correct....7 psi is the max carbs take before you start blowing the needle off the seat.
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