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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Fuel System: EFI/DDFI, Carb., Filter, Pump, Tank, Filler-Cap, Fuel » Stock 2007 Ulysse Running poorly « Previous Next »

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Cycle409
Posted on Thursday, July 19, 2018 - 06:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just pick up a 2007 Ulysses with 16K on it, totally stock. Took a 1500 mile ride around lake Superior on it 3 days after picking it up. It runs really hot at any speed below 40 MPH. It also runs very rough at low RPM (below 2500). Great on the road at 60 plus MPH. But around town or actually any riding below 2500 RPM it is really bad. I had an XB9s for years and it always ran really good, but this 12 is a different animal. I'm sure its a tuning issue. What the best fix to improve drivability. It is stock and I would like to keep as close to stock as possible, no loud pipes or anything like that. It has good power just looking for a different tune. Did Buell have any update that I could get or any other aftermarket ECU or turns?
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Two_seasons
Posted on Friday, July 20, 2018 - 01:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

TPS reset might do it for you. That is the Throttle Position Sensor.

If you do not have a Service Manual, get one.
In the meantime, search at the top of the BadWeb page using the Google app. YouTube can help too.

Welcome to BadWeb!
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Audiowize
Posted on Wednesday, August 22, 2018 - 08:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are both halves of the header pipe hot?
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