Kawasaki KZ750 (4-cyl.) Spark Plug
The Kawasaki KZ750 (4-cyl.) takes an NGK BR7ES spark plug, gapped to 0.040".
Key takeaways
- Spark plug: NGK BR7ES.
- Iridium upgrade: NGK BR9HIX.
- Gap: 0.040 inch - set it before fitting.
- Covers 1972-1975.
Buy the plugs for your Kawasaki KZ750 (4-cyl.)
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 KZ750 (4-cyl.) take?
The Kawasaki KZ750 (4-cyl.) takes an NGK BR7ES spark plug, gapped to 0.040 inch. The iridium upgrade is the BR9HIX.
What is the spark plug gap for a Kawasaki KZ750 (4-cyl.)?
The spark plug gap for the Kawasaki KZ750 (4-cyl.) is 0.040 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 KZ750 (4-cyl.)?
Yes. The BR9HIX is the iridium version of the BR7ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Kawasaki KZ750 (4-cyl.)
We cover the other consumables for your machine too - the exact fit, cited, in one place.