Gas Gas SM450 Spark Plug
The Gas Gas SM450 (450cc) takes an NGK BPR5ES spark plug, gapped to 0.024".
Key takeaways
- Spark plug: NGK BPR5ES.
- Iridium upgrade: NGK CR8EIX.
- Gap: 0.024 inch - set it before fitting.
- Covers 2004.
Buy the plugs for your Gas Gas SM450
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 Gas Gas SM450 take?
The Gas Gas SM450 takes an NGK BPR5ES spark plug, gapped to 0.024 inch. The iridium upgrade is the CR8EIX.
What is the spark plug gap for a Gas Gas SM450?
The spark plug gap for the Gas Gas SM450 is 0.024 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 Gas Gas SM450?
Yes. The CR8EIX is the iridium version of the BPR5ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Gas Gas SM450
We cover the other consumables for your machine too - the exact fit, cited, in one place.