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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through November 06, 2009 » How bad is it... « Previous Next »

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Nadz
Posted on Monday, October 26, 2009 - 01:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

...to run on one cylinder? Long story short, I ran for about 20 miles today firing only the aft cylinder. I was breaking in a new motor, and just thought it was anemic! It squeezed a small amount of oil past the exhaust header gasket, that's how I figured it out.

SO, what's the worst I could have broken?
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Electraglider_1997
Posted on Monday, October 26, 2009 - 09:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Gas in the front cylinder is meant to burn, instead you used it to wash the cylinder walls of oil. Hopefully the oil pump still protected your cylinder. I'd change the oil and spark plug. Then fire it up and hope for the best. Don't run bike for prolonged periods on 1 lung. This all assumes you had a fouled plug and not a dead injector. Most likely the plug. Don't blip throttle.
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Davidxt
Posted on Monday, October 26, 2009 - 10:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Pushrods or valves? maybe its not running cause theres no compression?
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Wademan
Posted on Monday, October 26, 2009 - 10:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I ran on one cylinder once.... check the front spark plug wire. Mine wore completely thru after 25K and was shorting on the motormount. YMMV
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Dr_greg
Posted on Monday, October 26, 2009 - 12:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Maybe your spark plug blew out...mine did.

--Doc
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Nadz
Posted on Monday, October 26, 2009 - 02:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm hoping it will just turn out to be a plug wire. What I'm worried about is all that cold ring-wiping action. This is a warranty issue, right?
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Tootal
Posted on Monday, October 26, 2009 - 07:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I don't see why it wouldn't be. I've ridden on one cylinder before in the rain when the front cylinder went out. I rode for ten miles and got a motel. Next day suns out, no more problem! I doubt you hurt anything.
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Nadz
Posted on Thursday, October 29, 2009 - 11:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

It was a fouled plug, from all the starting/stopping it on the showroom floor. Gap didn't look that bad, I'd have thought it would have burned thru, but lesson learned. Compression and AFV's check out, time to do some riding!
Thanks all, -Nadz
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