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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through November 27, 2008 » Uly Acting Weird « Previous Next »

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Callicles
Posted on Thursday, November 13, 2008 - 09:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Stumbling at 3800 RPM and around 4200. When it stumbles, the headlights also dim and stay dimmed until the revs drop back down.

Started the last two rides, both of which were in colder driving weather, but I also rode in similar weather in the early mornings last month with no problems.

No additions, although I did take apart my headlight just to take a look at it and plan adding HID lights.

I have the ECMspy cable, but haven't used it yet. So stock ECM.

Any ideas?
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Hughlysses
Posted on Thursday, November 13, 2008 - 09:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

#1- Check tightness of battery connections.
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Acav80
Posted on Thursday, November 13, 2008 - 10:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

that exact thing happened to me while I was on a 3000 mile road trip w/ the wife a couple of months ago. Engine stumbling, headlights and dials flickering.

It was the battery connections. Stuck some washers on to take up the extra space, now all is well. Got rid of the hesitation during startup, also.
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Callicles
Posted on Thursday, November 13, 2008 - 10:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the quick response. I will give it a look when I get home.
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Rwven
Posted on Thursday, November 13, 2008 - 03:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check all the ground points, especially the one under the seat where the negative cable from the battery attaches to the frame.
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Hootis29
Posted on Tuesday, November 18, 2008 - 11:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Make sure you file away the paint on the tail section where the grounds go in, also run a tap thru the holes.

Its not enough just to make sure they are tight.
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Callicles
Posted on Thursday, November 20, 2008 - 06:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I tightened the battery connections and the red terminal was very loose. Running great now.

Thanks for the advice.
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