Kawasaki ZX1200-A Ninja Spark Plug
The Kawasaki ZX1200-A Ninja (1200cc) takes an NGK CR9EK spark plug.
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Key takeaways
- Spark plug: NGK CR9EK.
- Iridium upgrade available in the same fit.
- Set the gap to the manual spec before fitting.
- Covers 2001-2005 (plug changed across years - see table).
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
Buy the plugs for your Kawasaki ZX1200-A 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.
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Kawasaki ZX1200-A Ninja spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 2004-2005 | CR9EK | - | - |
| 2001-2002 | CR9EK | CR9EIX | 0.032" |
Frequently asked
What spark plug does a Kawasaki ZX1200-A Ninja take?
The Kawasaki ZX1200-A Ninja takes an NGK CR9EK spark plug. See the by-year table for earlier models.
Can I use an iridium plug in a Kawasaki ZX1200-A Ninja?
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 ZX1200-A Ninja
We cover the other consumables for your machine too - the exact fit, cited, in one place.