Question about 2000 Harley Davidson XL 1200 C Sportster Custom

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I have a 1999 1200c sportster. While riding down the road it began to sputter then quit running like it was out of gas. If I crank the throttle 3-4 times it will start but won't run. usually get a ''pop'' when it starts. It's full of gas...

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Well, if plugs are wet, try placing plugged in spark plug on the block, turn ingine, should spark blue. orange no good, none no. good both plugs and wires.if one works and the other one doesnt, you need a new plug.if both no good, having electronic ignition, most likely the coil is toast (make sure its plugged in good, cables and wires)

Posted on Jul 24, 2009

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Have you checked to see if you have fuel IN THE CARBURETOR? In 1996, Harley went to a vacuum operated petcock and they've had troubles with them. The diaphragm in the backside of the petcock gets a hole in it and it doesn't allow for a full flow of fuel. Ride the bike with the air filter off until it quits. When it quits, look into the mouth of the carb with the engine not running and crank the throttle grip to wide open throttle. There is a brass nozzle standing just inside the mouth of the carb. When you crank the throttle grip to wide open, you should see a stream of gasoline squirt into the carb. If not, the carb has no fuel in it even though the fuel tank may be full. You'll have to drain the tank and remove the petcock. Take the plate off the backside and take a look at the diaphragm. Gently stretch it while holding it up to the light and check for holes. Personally, I'd replace the petcock with a high quality mechanical petcock and plug the vacuum hose. You'll have to manually turn the fuel on and off old-school style but you won't have anymore petcock problems.

Good Luck

Aug 03, 2011 | 2001 Harley Davidson XL 1200 C Sportster...

1 Answer

Carb trouble on harley Sportster

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