Kawasaki KX125-M Spark Plug
The Kawasaki KX125-M (125cc) takes an NGK R6918B-8 spark plug, gapped to 0.024".
Key takeaways
- Spark plug: NGK R6918B-8.
- Iridium upgrade available in the same fit.
- Gap: 0.024 inch - set it before fitting.
- Covers 2004-2005 (plug changed across years - see table).
Buy the plugs for your Kawasaki KX125-M
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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Kawasaki KX125-M spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 2005 | R6918B-8 | - | 0.024" |
| 2004 | R7376-10 | - | 0.024" |
Frequently asked
What spark plug does a Kawasaki KX125-M take?
The Kawasaki KX125-M takes an NGK R6918B-8 spark plug, gapped to 0.024 inch. See the by-year table for earlier models.
What is the spark plug gap for a Kawasaki KX125-M?
The spark plug gap for the Kawasaki KX125-M 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 Kawasaki KX125-M?
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 KX125-M
We cover the other consumables for your machine too - the exact fit, cited, in one place.