Kawasaki G31M Spark Plug
The Kawasaki G31M (100cc) takes an NGK BR9HS spark plug, gapped to 0.020".
Key takeaways
- Spark plug: NGK BR9HS.
- Iridium upgrade: NGK BR9HIX.
- Gap: 0.020 inch - set it before fitting.
- Covers 1970-1971.
Buy the plugs for your Kawasaki G31M
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 G31M take?
The Kawasaki G31M takes an NGK BR9HS spark plug, gapped to 0.020 inch. The iridium upgrade is the BR9HIX.
What is the spark plug gap for a Kawasaki G31M?
The spark plug gap for the Kawasaki G31M is 0.020 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 G31M?
Yes. The BR9HIX is the iridium version of the BR9HS - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Kawasaki G31M
We cover the other consumables for your machine too - the exact fit, cited, in one place.