Kawasaki ZX750-F Ninja Spark Plug
The Kawasaki ZX750-F Ninja (750cc) takes an NGK CR9E spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK CR9E.
- Iridium upgrade: NGK DR8EIX.
- Gap: 0.028 inch - set it before fitting.
- Covers 1991-1992 (plug changed across years - see table).
Buy the plugs for your Kawasaki ZX750-F Ninja
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.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Kawasaki ZX750-F Ninja spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 1991-1992 | CR9E | DR8EIX | 0.028" |
| 1991-1992 | CR9E | CR9EIX | 0.032" |
Frequently asked
What spark plug does a Kawasaki ZX750-F Ninja take?
The Kawasaki ZX750-F Ninja takes an NGK CR9E spark plug, gapped to 0.028 inch. The iridium upgrade is the DR8EIX. See the by-year table for earlier models.
What is the spark plug gap for a Kawasaki ZX750-F Ninja?
The spark plug gap for the Kawasaki ZX750-F Ninja is 0.028 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 ZX750-F Ninja?
Yes. The DR8EIX is the iridium version of the CR9E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Kawasaki ZX750-F Ninja
We cover the other consumables for your machine too - the exact fit, cited, in one place.