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Buell Motorcycle Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through April 27, 2008 » Hmmm anyone have this happen to them? « Previous Next »

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Sekalilgai
Posted on Monday, April 21, 2008 - 03:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

So this past weekend, I had pulled over at a rest area to cinch up my flapping jacket (after about 30 miles) and went to merge back onto the highway when.... the engine coughed and spluttered (at about 6k RPM in 1st) and spluttered to death. I pulled over the side of the road, didn't notice anything unusual, fired her back up and tooled the next 40 miles without incident. Fuel was a little low (about 1 gal left), dealer had just done the BAS recall and rotor. I've nothing under the seat other than a ziploc with the registration and owner's manual. Just kinda weird (and not much fun in a left-lane merge situation), I've not made it home to hook up ECMSPY yet but the bike seems fine now.

Think maybe I sucked air? The launch was 'spritely' but otherwise not particularly heroic.

Thanks
Ken
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Windrider
Posted on Monday, April 21, 2008 - 04:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I would suspect the BAS if it had just been messed with.
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Stevenknapp
Posted on Monday, April 21, 2008 - 04:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

If the BAS trips the engine shuts off and stays off until you switch it off/on.
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Windrider
Posted on Monday, April 21, 2008 - 04:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Good point Steve.

Maybe Sekalilgai can chime in again with exact steps that were used during the "fired her back up" process to clarify??
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Sekalilgai
Posted on Monday, April 21, 2008 - 04:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I did turn the bike off (ignition switch and kill switch) and back on. I'll take a look at the relocated BAS this evening...
Thanks guys
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Hughlysses
Posted on Monday, April 21, 2008 - 06:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think this has been reported here at least a couple of times- the BAS failed after it was moved to the new location. It may have already been cooked from its original location and just coincidentally given up the ghost after being moved.
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Sekalilgai
Posted on Monday, April 21, 2008 - 09:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks Hughlysses, I'll have to check the BAS. I did check the BAS a couple of weeks back and it seemed ok (switching at the horizontal plane on either side) but I'd heard about the aft location being less than desirable due to hanging out past CG. Maybe so much for due diligence eh?
Ken
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Froggy
Posted on Monday, April 21, 2008 - 10:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

+1 to the BAS. The recall does not replace it, just moves it. If it happens again, get the dealer to replace it under warranty. Worst comes to worst its not hard to fix should you end up doing on your own. Also, you can use ECMspy to disable the BAS should you choose : )
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Sekalilgai
Posted on Monday, April 21, 2008 - 11:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Froggy
Yeah I was just looking over the new version of ECMSPY..good grief, Gunter and Ralf have been busy. If it happens again, I'll probably just flip the bit in the EPROM. Thanks for the tip.
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Stevenknapp
Posted on Tuesday, April 22, 2008 - 12:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

the engine coughed and spluttered (at about 6k RPM in 1st) and spluttered to death. I

The BAS kills fuel and spark cleanly. Just like riding along and flicking the kill switch.

If it was coughing and sputtering, doesn't seem like the BAS to me.
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Sekalilgai
Posted on Tuesday, April 22, 2008 - 10:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Steveknapp
I noticed it as I shifted up from 1st...and then shifted down just as quickly. It felt like it just 'wound down' if that makes any sense, it didn't cut out abruptly but attempts at applying (various amounts) throttle only resulted in continued RPM decay to zero. It happened rather quickly...
BTW BAS appears ok but I just flopped it on its side and watched on ECMSPY. Wiring is clean and nothing appears to be touching it save for maybe the rubber cap from the rear Aux outlet....which I moved
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