Kawasaki KFX450R Spark Plug

The Kawasaki KFX450R (450cc) takes an NGK BPR5ES spark plug, gapped to 0.032".

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Key takeaways

  • Spark plug: NGK BPR5ES.
  • Iridium upgrade available in the same fit.
  • Gap: 0.032 inch - set it before fitting.
  • Covers 1991-1993.
Standard PlugBPR5ES
Iridium Upgrade-
Gap0.032"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Kawasaki KFX450R

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 Kawasaki KFX450R take?

The Kawasaki KFX450R takes an NGK BPR5ES spark plug, gapped to 0.032 inch.

What is the spark plug gap for a Kawasaki KFX450R?

The spark plug gap for the Kawasaki KFX450R is 0.032 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 Kawasaki KFX450R?

Yes. The iridium version drops into the same spot - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Kawasaki KFX450R

We cover the other consumables for your machine too - the exact fit, cited, in one place.

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