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Xbclaw
| Posted on Sunday, March 13, 2011 - 11:08 pm: |
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hello fellow bikers. new to this site and buells. my xb12x bucks and jerks in lower gears between 2500 and 3200 rpm with a steady throttle position. Any suggestions on a cure? |
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Froggy
| Posted on Sunday, March 13, 2011 - 11:55 pm: |
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What modifications have been made to the bike? |
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Froggy
| Posted on Monday, March 14, 2011 - 01:02 am: |
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Xbclaw, you may need to recreate your account. We had some difficulty with the forum and had to restore from a backup, it appears that your account may be deleted. I would email you but I do not have an address on record anymore. |
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Xbclaw
| Posted on Monday, March 14, 2011 - 08:39 pm: |
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thanks froggy. bike is completely stock, did a tps reset no help. bike runs great in 4th and 5th @ hiway speed, just low gears and little throttle surging is continuous. ecmspy correct the problem? |
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Froggy
| Posted on Monday, March 14, 2011 - 08:48 pm: |
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It does sound like a fueling related issue, most likely due to the way they run the bikes lean to pass EPA testing. Aftermarket exhausts make this worse. You can use ECMspy/Tunerpro to tune it out if you know what you are doing, but even that will take a good investment with time. Erik Buell Racing has a nice pre programmed ECM that will work great with your stock exhaust and fix the lean issue you are experiencing. http://www.EBRacing.com/shop/product179.html |
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Jjellyneck
| Posted on Saturday, August 20, 2011 - 10:23 am: |
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Had the same situation. The dealer I bought my bike from (Wes at Pink Gorilla in Austin--great guy) hooked up the ECM Spy and slightly richened up the low RPM area. Night and day difference. It runs great now. |
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Mesozoic
| Posted on Tuesday, October 11, 2011 - 11:05 pm: |
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Something I found that works really great is to modify the Front Cylinder Correction table. I added 2% to the curve and the bike runs a lot better with less or no jerking at all. |