Yamaha YFM45FX Wolverine 450 4WD Spark Plug
The Yamaha YFM45FX Wolverine 450 4WD (450cc) takes an NGK CR8E spark plug, gapped to 0.032".
Key takeaways
- Spark plug: NGK CR8E.
- Iridium upgrade: NGK CR8EIX.
- Gap: 0.032 inch - set it before fitting.
- Covers 2005-2010.
Buy the plugs for your Yamaha YFM45FX Wolverine 450 4WD
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 Yamaha YFM45FX Wolverine 450 4WD take?
The Yamaha YFM45FX Wolverine 450 4WD takes an NGK CR8E spark plug, gapped to 0.032 inch. The iridium upgrade is the CR8EIX.
What is the spark plug gap for a Yamaha YFM45FX Wolverine 450 4WD?
The spark plug gap for the Yamaha YFM45FX Wolverine 450 4WD 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 Yamaha YFM45FX Wolverine 450 4WD?
Yes. The CR8EIX is the iridium version of the CR8E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Yamaha YFM45FX Wolverine 450 4WD
We cover the other consumables for your machine too - the exact fit, cited, in one place.