Question about Buell X1 lightning Motorcycles

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I have a 99 buell lightning that is having an issue. It starts well just doesn't stay running. The fuel pressure stays at a steady 50 psi. it backfires a little when running but only runs for a15-20 seconds before it dies. The oxygen sensor is new and the head was recently removed to have a exhaust stud replaced after it broke off. Not sure where to check next. the fuses are fine and seems to be firing right when it does run. Any help would be greatly appreciated.

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Check for any gasket leaks. Make sure carb is removed and thuroughly cleaned out. Then make sure it is properly adjusted. Make sure valves are properly adjusted as well.

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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