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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through July 08, 2008 » Symptoms of a Fouled Plug? « Previous Next »

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Ferocity02
Posted on Saturday, July 05, 2008 - 10:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Recently, my XB12Scg has been having some idle issues. When cold, it wants to idle around 600 RPM, but it will eventually die. There is also a smell of gas coming out of the pipe. Once it FULLY warms up, it idles just fine around 1000 RPM. I think once it enters closed loop is when it starts to idle well. I don't want to up the TPS because it's already at 6% for tick-over. I had this same problem when I first bought the bike and I changed the plugs and the problem went away. Could this be a fouled plug? It seems randomly miss now too during cruise and light acceleration.
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Beachbuell
Posted on Saturday, July 05, 2008 - 10:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Could have been a bad plug or semi fowled. If it was fouled out the bike would only run on one cylinder, IF you could even get it started.
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Iamarchangel
Posted on Saturday, July 05, 2008 - 11:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Sounds like you're running on one cylinder until it gets warm or steady enough to fire consistently. Time to clean that plug.

Hmm, or wd40 the plug wire back as far as you can go.
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Randomchaos
Posted on Saturday, July 05, 2008 - 11:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Same problem my bike had been having. I discovered that my short 1-2 mile rides into work were slightly fouling the plugs. When I would start it up, it would idle decently for a few seconds, then drop down and die out.
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Etennuly
Posted on Sunday, July 06, 2008 - 09:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Short trips are bad for the plugs in these bikes. Like the book says, it needs to be ridden ten miles or so to be considered warmed up fully. If you start your bike to move it a short distance, shut it off, then restart and ride a couple of miles, then shut it off, you have a pattern of starting that will kill plugs.

I try to make sure that I don't have more than two cold starts before riding some distance.
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