Buell Firebolt XB9R Spark Plug
The Buell Firebolt XB9R (1000cc) takes an NGK DCPR8EKC spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK DCPR8EKC.
- Iridium upgrade: NGK DCPR8EKP.
- Gap: 0.028 inch - set it before fitting.
- Covers 2005-2006.
Buy the plugs for your Buell Firebolt XB9R
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Frequently asked
What spark plug does a Buell Firebolt XB9R take?
The Buell Firebolt XB9R takes an NGK DCPR8EKC spark plug, gapped to 0.028 inch. The iridium upgrade is the DCPR8EKP.
What is the spark plug gap for a Buell Firebolt XB9R?
The spark plug gap for the Buell Firebolt XB9R is 0.028 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Buell Firebolt XB9R?
Yes. The DCPR8EKP is the iridium version of the DCPR8EKC - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Buell Firebolt XB9R
We cover the other consumables for your machine too - the exact fit, cited, in one place.