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Buell Forum » XBoard » Archive through January 17, 2013 » Stutter at constint throttle « Previous Next »

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Wally
Posted on Thursday, November 08, 2012 - 10:38 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 problem that is driving me nuts! I have a stutter or miss at a constant throttle speed. Doesn't do it at idle or at when on the gas going through the gears, only when I'm cruising at a constant speed. Changed the spark plugs, wires, and coil. seems to only be when it is at operating temp.
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Hammer71
Posted on Friday, November 09, 2012 - 05:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

TPS reset?
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Fast1075
Posted on Friday, November 09, 2012 - 05:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it is happening at low rpm/light throttle, but runs great when you get on it, it is from the stock ecm mapping that had to make the EPA standards.

You have two choices. Learn to ride a gear lower so the engine is running in a smoother zone, or have it remapped.

This is assuming of course that there are no mechanical or other electrical issues.

I bought a race ECM for mine (from EBR). It sure helped the jerky power delivery down low, and added a lot of pep up top. But it still has the same symptom yours does when cruising at small throttle openings and light loads.
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Doz
Posted on Friday, November 09, 2012 - 08:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Might want to check for intake manifold leak...
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