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Gentleman_jon
Posted on Sunday, January 29, 2006 - 05:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I couldn't find any information on this doing a Knowledge Vault search, so perhaps someone can give me a few hints as to where to start understanding this problem.

I was riding along in a light rain, and after about 15 miles, the engine on my XB9S began to mis-fire very badly. I was only about a half a mile from home, so I just limped in, and then ran it in the shed until it dried out, and then it idled and ran smoothly again.

I am guessing water in the spark plug wires.
Any other ideas?
How can I best prevent a recurrence?

(Message edited by gentleman_jon on January 29, 2006)
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Hogs
Posted on Sunday, January 29, 2006 - 05:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Gentleman_jon,
Have had that same plm. on a couple of xb`s turned out to be the front sparkplug wire that has rubbed on the inside of the frame, I noticed one in the rain and another after washing the bike.. Might want to check both your plug wires...
I replaced both wires and never had the plm. again and I may sure I kept the wires from contacting the inside frame area ,so this would not happened again Hope this helps
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Gentleman_jon
Posted on Sunday, January 29, 2006 - 05:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks Chris.
I sort of remembered something like that from earlier posts.
Was sure it would never happen to me.
Mainly cause I don't ride in the rain for fun anymore.
So of course I get caught in the cold rain in January in New York!!
Too damn cold and wet to think of any thing but a hot shower!
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Hogs
Posted on Sunday, January 29, 2006 - 06:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

YEah, I know what ya mean its been cool here as well,Better than that blasted white stuff though LoL
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Sparky
Posted on Sunday, January 29, 2006 - 07:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Most likely the problem is water getting to the high voltage conductors shorting out the spark. I replaced the stock '03 XB9R spark plug cables with '04 cables. These have spark plug boots that fit tighter on the plug's insulators than the stock '03 versions.

What you can do is replace your stock spark plug cables with the latest version for your bike, clean the spark plug insulators and reinstall the cables using a light smear of dielectric grease on the inside of the boots where they fit on the spark plugs. Don't overdo it though; just a little will work to keep water from creeping up the insulator to the high voltage terminal.

What I like to do in addition to this is apply some RTV adhesive/sealant to the area where the boot fits onto the outer rubber surface of the spark plug cable, in effect bonding the two together. This ensures that the boot doesn't slip up or down on the cable thus maintaining the proper seal on the spark plug.

Sparky
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Gentleman_jon
Posted on Sunday, January 29, 2006 - 07:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Darryl,
Thanks for the suggestions. That is exactly what I am going to do.
Already have an email to Daves about the wires.
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