Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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My harley idles at 600rpm instead of 1000rpm and it has a flat spot under acceleration.I bought some bad gas awhile ago but ran a few tanks through it since.What's the problem?

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Here is one thing to check. i live in south louisiana and due to the tight gasoline supplies, most of the stations here went to ethanol blended fuel to strech out their inventories. i have an xl 1200 which ran fine until i had to use ethanol fuels. this is when my bike started acting crazy with idle and all, but ran like a scalded dog elsewhere. my solution was to up the pilot jet two sizes. after this everything is ***** dory. you might have to remove the plug on the idle air screw and adjust but i did not have to. the ethanol fuel in itself is not bad and harley ok's it in small quanties. the problem is the evaporation rate plays havoc on idle circuit.

Posted on Aug 13, 2008

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Check and clean the air filter first since it's going to be the easiest to get to. Then, if the bad gas had sediments in it, you may need to clean the fuel filter and the carb. It could also be that your carb is just seating and needs adjustment. Try adjusting the idle, if you have any fluctuation or it has a high idle from time to time, then set the idle back, and pull the carb and clean it, floats, jets, etc... This is, if it's a carburated model, if injected, then you will need to run an injection system cleaner through it and have the injection system calibrated.

Posted on Aug 13, 2008

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