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Thread: Spark Plugs

  1. #1
    Junior Member
    Join Date
    Feb 2007
    Posts
    5
    I am new to this Buell site - cool stuff!!
    I have a 03 Firebolt XB9R with the race kit.
    I need to replace the plugs and thought that someone on the sight may have a good idea what are the best plugs.
    Thanks in advance for your help.

  2. #2
    Senior Member
    Join Date
    Oct 2006
    Posts
    1,962
    Stick to the stock plugs from the dealer. every time I have put anything but stock plugs in any Buell it has been a comeback. Anything from missing at idle, pinging, hesitation, you name it. My advice is stick to stock. I have the same bike with a race kit and run stock plugs. Only thing is I change plugs every 5000 miles just because they are cheap.

  3. #3
    Administrator
    Join Date
    Oct 2006
    Posts
    1,068
    BPG is right on, the downsides of fancy plugs outweigh the possible claimed gains. Welcome to Buellxb.com!

  4. #4
    Junior Member
    Join Date
    Feb 2007
    Posts
    5
    Thanks guys, I will stick with the stock plugs. Just double-checking the number, 10R12A, correct?

  5. #5
    Senior Member
    Join Date
    Oct 2006
    Posts
    1,962
    Thats right...

  6. #6
    ok folks, After 3plus years of kicking buell tires, I just purchased a '07 Black XB12R. She is pretty however, whats with the rear license plate? Any1 know of a trick kit? Also ........ What would you recommend for performance upgrades? I would think that the ppl on this site know what works and what products I should stay away from. Thanks folks, I am proud to ride my American Sportbike.........
    SGT. Todd Heimer

  7. #7
    Senior Member
    Join Date
    Oct 2006
    Posts
    1,962
    Once again, I thinking this is the fourth time I have referred someone to my post of the undertail I did. lol check it out. its under do it yourself mods.

  8. #8
    thanks BuellPartsguy, this is on the second time that I have been on this site.

  9. #9
    Senior Member
    Join Date
    Oct 2006
    Posts
    1,962
    I know I am just playing with ya. No big deal man. lol :p

  10. #10
    Junior Member
    Join Date
    Sep 2007
    Posts
    8
    I have an 08 XB12R. Just did my 1000k service myself and went with NGK Plugs. Have never been a big fan of Champion Plugs. My bike is stock and it is not recomended until 10,000k. So far haven't noticed any difference with the performance. If I new what a bitch it was going to be changing them out, I would have waited until 10,000k.



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