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Buell XB Forums / Buell XB Forum / Buell Ulysses XB12x / Troubleshooting / running intermittantly

Posted:  08 Jan 2008 00:34 [?]  

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my ully 06 has 2600 mls now and has decided to run one one cylinder. It was serviced at 1500 mls. It does it sometimes from start up, and then sometimes when warm a few miles into a ride, then it clears and runs fine. I'm about to put some serious miles in and dont feel i can trust it. HELP !!
Posted:  08 Jan 2008 00:48 [?]  

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Check the plugs and wires....
Posted:  08 Jan 2008 01:01 [?]  

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did that first
Posted:  08 Jan 2008 01:39 [?]  

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Check the ignition switch
Posted:  08 Jan 2008 01:41 [?]  

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SOUNDS LIKE A SORT    DO THE WIGGEL CHECK   1 START BIKE TAKE SEAT OFF AND START WIGGELING WIRES  TAKE YOUR TIME   KEEP YOU EARS OPEN FOR ANY CHANGES  THE GO TO THE WIRES BY FRONT FORKS. LET US KNOW.
Posted:  08 Jan 2008 04:42 [?]  

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why ignition switch?  any particular reason?
i think i'm having the same problem.
Posted:  08 Jan 2008 21:31 [?]  

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The key switch,  common for going bad
Posted:  09 Jan 2008 14:19 [?]  

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whitezombiebuller has same problem tech says coil pack causing that issue
Posted:  09 Jan 2008 22:21 [?]  

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very well could be that also,  trying to diagnose via the net is kinda tough
Posted:  11 Jan 2008 21:34 [?]  

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Hi chaps. had the ully in today for a full service. it's had new plugs & all that kak - ran better for 20miles then same problem.   Tech found no ignition faults. downer. so it's back in monday. keep you all posted.
Posted:  11 Jan 2008 21:37 [?]  

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would the rubbish english weather be contributing?has anyone else had problems in wet or poor weather?
Posted:  12 Jan 2008 16:16 [?]  

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they found wire harness rubbed through going to the coils,made repair now running great
Posted:  13 Jan 2008 02:51 [?]  

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i had the same problem.   front cyl. was cutting in and out.    i found the the front coil wire chaffed thru against the wiring harness next to it.   the spark plug wire was so bad that you could see the braided loom in the wire.
i changed the wires and plugs with HD parts and ran good for a while until it started to happen again but more often now.  mostly running on rear cyl only.   now i am checking the coil.  any ideas?
anyone know how and what the resistance readings should be?
Posted:  13 Jan 2008 04:20 [?]  

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My plug wires were also worn through,no problems though I noticed doing general upkeep and replaced.What caused it and how do I stop it?
Posted:  13 Jan 2008 17:50 [?]  

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the spark plug wire was touching the wire harness.  not much clearance.   it happens due to vibration.   i just made sure the plug wires were away from anything that could rub thru.
Posted:  23 Jan 2008 22:17 [?]  

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Right then, the tech has changed the coils and fitted new plugcaps.  Apparently the earlier leads rub through, but the new type are better protected and more watertight.  The caps can lose there grip on the plugs. he also reset the management system.    He informs me it runs sweet now,I say I should think so it's only got 2600mls on the clock.               
Next is jardene exhaust,race ecm,k&n filter.
Posted:  21 Mar 2008 04:58 [?]  

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I have the exact same problem with mine, but my plugs keep fouling out and I only have 414 miles on it. Maybe cause of the cold weather? I only run high octane in it. It is always the rear cyl. cutting out. wires are all fine.
Posted:  21 Mar 2008 10:36 [?]  

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Quoting Das Bolt
My plug wires were also worn through,no problems though I noticed doing general upkeep and replaced.What caused it and how do I stop it?

tie them down so they can't rub against eachother.

Quoting jck41075
I have the exact same problem with mine, but my plugs keep fouling out and I only have 414 miles on it. Maybe cause of the cold weather? I only run high octane in it. It is always the rear cyl. cutting out. wires are all fine.

setup?
fouling is a mixture problem, nothing to do with the weather.
Posted:  21 Mar 2008 17:31 [?]  

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Quote:
setup?
fouling is a mixture problem, nothing to do with the weather.


Yes but wouldnt water in the intake cause a foul as well?
Posted:  21 Mar 2008 17:50 [?]  

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Quoting mrdozer2you
Yes but wouldnt water in the intake cause a foul as well?

he said cold, not wet

on a bike with only 414 miles i would not understand how water would get in the intake.
and also, both cylinders would then have the problem, not just the rear

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