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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through February 28, 2007 » High idle « Previous Next »

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Cliff
Posted on Tuesday, April 11, 2006 - 04:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

HI here is my problem

Bike starts and idles at around 1050 rpm
After I ride it on the highway for a couple of minutes, the rpm doesn't drop below 2000 (if I pull the clutch in or slow down). This also happens at red lights. The only way to bring the rpm down at a red light is to keep it in first gear and let the clutch out just enough to where it starts pulling. This brings the rpm back to normal. Then I can pull the clutch back in and put in in neutral.
Any idea on what the problem is here ??
The only mod to the bike is a D&D pipe.

Thanks
MaTT
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Aeholton
Posted on Tuesday, April 11, 2006 - 05:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Was the D&D just installed? If so, did you have the TPS reset?
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Cliff
Posted on Tuesday, April 11, 2006 - 08:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No it came with the bike .I got the bike at auction so i don't know it's history.
Just ran a check for trouble codes and got code 21 ( interactive muffler control) would that have something to do with it ?
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Aeholton
Posted on Wednesday, April 12, 2006 - 07:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think you are getting the interactive muffler control error because the D&D exhaust doesn't have an interactive exhaust valve and your stock ECM is looking for one. You may want to look into a race ECM or getting some sort of servo emulator to fool the ECM. Maybe call DaveS at Appleton or Al at American Sport Bike (check the sponsor area).

My guess is the stock ECM is causing a lean condition. This can cause a fast idle. You may want to try getting the TPS reset and see if it helps.
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2k4xb12
Posted on Wednesday, April 12, 2006 - 07:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Adjust your idle set screw down a hair. It's located at the front of the engine -- near the air scoop. Looks like a small knob facing the front of the bike. You can use the Torx wrench that came in your toolkit (or a 3/16" allen wrench) to adjust it. It's pretty easy to get the idle adjusted just a tad high and what you are experiencing is the result.

Steve.
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Cliff
Posted on Wednesday, April 12, 2006 - 05:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well I adjusted the idle screw down a little and it seems to be running good.

Thanks for your help
MaTT

(Message edited by cliff on April 12, 2006)
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Zackb
Posted on Thursday, April 13, 2006 - 04:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i have this same problem on my 02 X-1. had it looked at last week. local cycle shop said it was an intake leak. he showed me this by spraying contact cleaner near the intake manifold. this caused the idle to come down back to normal. this should not happen. intake manifold should not be sucking in air outside of the airbox.
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