Kawasaki KZ750-S Spark Plug
The Kawasaki KZ750-S (650cc) takes an NGK BR6ES spark plug, gapped to 0.032".
Key takeaways
- Spark plug: NGK BR6ES.
- Iridium upgrade available in the same fit.
- Gap: 0.032 inch - set it before fitting.
- Covers 1982-2005 (plug changed across years - see table).
Buy the plugs for your Kawasaki KZ750-S
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 KZ750-S spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 2005 | BR6ES | - | 0.032" |
| 1982 | BR8ES | BR8EIX | 0.032" |
Frequently asked
What spark plug does a Kawasaki KZ750-S take?
The Kawasaki KZ750-S takes an NGK BR6ES spark plug, gapped to 0.032 inch. See the by-year table for earlier models.
What is the spark plug gap for a Kawasaki KZ750-S?
The spark plug gap for the Kawasaki KZ750-S 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 Kawasaki KZ750-S?
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 KZ750-S
We cover the other consumables for your machine too - the exact fit, cited, in one place.