I have a 230 that runs really well. Last year when tractor pulling it started dying when under a load. I found out the needle jet had rubber in it almost blocking it completly. It ran better after that but it still seems to dye out quickly when it comes under a load. Just now it doesn't lope. As long as it doesn't come under a strong load it's fine but as soon as the gov opens up and comes under a load it almost dyes out before u can push the clutch in. Any info will be greatly appreciated. Thanks Ed
 
The mixture is lean. First make sure you have a steady stream of gas to the carb. There is also a screen in the fitting that screws into the carb. If both ok, disassemble the carb, removing everything you can without breaking it and soak the parts and the carb body in true carb cleaner, at least overnight. Put a new kit-preferably CaseIH-in it.
 
If by jetted out you mean enlarging the jets, that can cause problems also, if you mean cleaned I withdraw the statement.
 
If you happen to have an in-line fuel filter in the fuel line remove it. These updraft carburetors were not designed to accommodate a fuel filter. If the gasoline is old it will run bad. If it hasn't been run in a while it will run bad. Our 200 would set up all winter and it would take a couple of tanks of gasoline and several fuel line cleanings and carburetor drainings to get it ruining right in the spring. If all else fails, take it out and work it for about a day or two.
 
I know you say you cleaned the carburetor and "re-jetted" it, but it sure sounds like there is something still wrong there.

Does pulling the choke make any difference?
 
you don't have time to pull the choke. Saturday it ran great until it came under a load and I couldn't get the clutch in before it stalled.
 
Thanks for all the help, at this time I think I have located the problem. Its in the fuel because the plugs are white which means its running lean. I'm not sure at the moment if the carb needs to be jetted out more or if its in the filter and lines coming to the carb. It also might be the fuel cap. At least I know now where to start working on it . Thanks Ed
 

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