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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through February 18, 2005 » TFI settings and Fouled Spark Plugs « Previous Next »

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Lazyme21


Posted on Wednesday, February 16, 2005 - 07:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hey guys,

on my way home yesterday my bike started to act up, felt like a cylinder was not working. When I stopped the bike it stalled on me and I couldn't get it to turn back on. A friend of mine met up with me, thanks Daveinm, and we changed the front spark plug which was Fu**ed. We got the bike starting but on my way home from where we changed it, the bike still was not right and was stalling again.

When I got home I removed the back spark plug and it was shot. We replaced that one and when we turned it on the front one was now fouled again. I have a feeling this is happening because too much gas is going through, thanks to the TFI.

Anyone have any ideas, because when I was driving to work this morning it started to get messed up again and the check engine light came on for a little bit.

What would be the recommended TFI settings? Here is what I have:

XB9R
D&D
K&N air filter
Ceramic Coated headers
12 Airbox
No Snorkel
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Glitch


Posted on Wednesday, February 16, 2005 - 07:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

What settings are you using now?
Are you letting the bike warm up completely before you go out for a ride?
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Lazyme21


Posted on Wednesday, February 16, 2005 - 07:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I let the bike warm up for about 5 - 10 minutes and then I go, but even then I still know the bike needs to warm up more.

I can't remember what they are at right now, I will check in a little bit.
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Lazyme21


Posted on Wednesday, February 16, 2005 - 08:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

From left to right:

2 O'Clock
4 O'Clock
3 O'Clock
7 O'Clock
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Glitch


Posted on Wednesday, February 16, 2005 - 08:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Stock or Race ECM?
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Glitch


Posted on Wednesday, February 16, 2005 - 08:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Have you looked here yet?
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Lazyme21


Posted on Wednesday, February 16, 2005 - 08:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Stock ECM. I checked out that link, but no one is running a D&D in that thread. Does that really matter? I think it would.

(Message edited by lazyme21 on February 16, 2005)
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Glitch


Posted on Wednesday, February 16, 2005 - 08:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

How'd it run at the 3-7-4-7 base settings?
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Lazyme21


Posted on Wednesday, February 16, 2005 - 08:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

it was ok, but there were some holes in the acceleration.
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Lazyme21


Posted on Wednesday, February 16, 2005 - 08:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I just don't understand why my spark plugs keep fouling.
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Glitch


Posted on Wednesday, February 16, 2005 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I just don't understand why my spark plugs keep fouling.
You're running too rich.
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Lazyme21


Posted on Wednesday, February 16, 2005 - 08:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I am getting so frustrated!!! hahahaha.....if it is not one thing it is another, should I go back to the defaults and just get the bike dyno'd?
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Glitch


Posted on Wednesday, February 16, 2005 - 09:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

should I go back to the defaults and just get the bike dyno'd?
That would be the best thing you could do.
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Lazyme21


Posted on Wednesday, February 16, 2005 - 09:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Glitch, thanks for all your help!
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Glitch


Posted on Wednesday, February 16, 2005 - 09:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

No problem.
I like tinkering with mine.
Kinda like fiddlin' with a carb.
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