Question about 1979 Harley Davidson XLH 1000 Sportster

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1970 shovelhead 1000 cc how do u adj.tihe carb ; i have cleaned out carb an now for some reson it's acting like it has jumped time an is flooding out why

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wd4ity

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The timing has not changed just because you cleaned the carb. If it's flooding, the needle and seat are not sealing like they should. If this is the case, you should be seeing fuel coming out of the overflow tube when the engine is not running or the fuel flowing into the carb. You didn't mention what type of carburetor you are running on the engine. The original Keihin carb is notorious for doing this. I've worked with them all day long trying to get one to quit flooding. It's as if when you clean the carb and take the float out, if you rotate the needle or something, it just will not seal. I've had to lower the float setting on many occasions to get it to stop. Do not lower the float setting over 1mm.(0.040") as you may start to starve the engine for fuel at highway speeds. If the carb is an S&S carb. Check the float setting with the bowl held upside down. It's shoudl be 1/8" into the bowl from the gasket surface. If it's a Bendix carb, you may not have the float spring in the carb correctly.

Good Luck
Steve

Posted on Jun 26, 2011

  • William Humphrey Mar 10, 2015

    So how do you lower the float setting?

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