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Schmitty
Posted on Sunday, April 19, 2009 - 06:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My XB suddenly has an issue with spitting and sputtering at maintenance throttle. If you whack the gas wide open it takes off just fine, but when you back off to cruising throttle it spits and sputters like it's missing on one cylinder. The bike idles fine and if you hit the gas hard it goes, which is why I'm confused. The bike has the same gas in it since last October and I need to change the plugs, could this be my problem? Or does it sound like something else like the fueling, or an electrical issue?

Schmitty
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Birdy
Posted on Sunday, April 19, 2009 - 06:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'd drain the tank and changes the plugs. I know gas starts to go "off" after a bit of time passes.
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Bishopjb1124
Posted on Sunday, April 19, 2009 - 06:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yep sounds like plugs to me to, I have an xb12ss that was notorious for running like dodo cruising along but hammer it down and she ran like a scalded dog. Changed the plugs and wham like new again, then after a few days she would run like dodo again. Change the plugs and off she would go again, finally figured out it did not have a race ECM in it when I bought it but had a Jardine and K&N in it and this was causing it to over load the plugs.

Jimmy
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Iamarchangel
Posted on Sunday, April 19, 2009 - 07:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

At least put fresh 91-94 octane gas in and give it a chance.
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Schmitty
Posted on Monday, April 20, 2009 - 06:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Does anyone know the proper part number for the Denso Iridium spark plugs?

Schmitty
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Randomchaos
Posted on Monday, April 20, 2009 - 09:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Sounds like old gas to me. That gas you have in there is 6 months old, and without stabil, has probably started to break down. Try draining all of it out, and filling it back up with fresh stuff. Ride it for a bit and see if it improves.
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Firebolt32
Posted on Monday, April 20, 2009 - 09:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think I've got the same issue. I know my plugs are fine and leaning toward bad gas. Did a TPS, AFV reset as well as ran my trouble codes. All last week and the week before the bike ran great. I was running low on gas and had to stop at a hole in the wall station that doesn't get much business. I started the bike friday to take the misses out to eat and it ran like garbage. Once it got going it was fine. I'm thinking bad gas.
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Cmm213
Posted on Monday, April 20, 2009 - 08:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The denso plugs are IXU24. Someone check me but I think that is right. Still running mine 3 years strong.
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Doubled
Posted on Monday, April 20, 2009 - 10:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Or the NGK iridiums are DCPR9EIX
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Ourdee
Posted on Monday, April 20, 2009 - 10:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I see Iridiums come up here often. But never see a sponsors name with them. Any sponsors here sell the Iridiums?
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Doubled
Posted on Tuesday, April 21, 2009 - 02:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Check here:

http://www.americansportbike.com/shoponline/ccp0-p rodshow/5889.html
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Theirishbueller
Posted on Tuesday, April 21, 2009 - 07:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Sorry, not to take away from our sponsors, but I got my NGK Iridiums (DCPR9EIX) from O'reilly Auto Parts. Like. $6 something a piece. Dunno if you got O'reillys where you're from though...
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Iamarchangel
Posted on Tuesday, April 21, 2009 - 09:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

So, did you ever put fresh gas in the bike and try riding it for a while?
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