Kawasaki ZX636 Ninja ZX-6R Spark Plug
The Kawasaki ZX636 Ninja ZX-6R (600cc) takes an NGK CR9E spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK CR9E.
- Iridium upgrade: NGK CR9EIX.
- Gap: 0.028 inch - set it before fitting.
- Covers 2003-2004.
Buy the plugs for your Kawasaki ZX636 Ninja ZX-6R
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.
Frequently asked
What spark plug does a Kawasaki ZX636 Ninja ZX-6R take?
The Kawasaki ZX636 Ninja ZX-6R takes an NGK CR9E spark plug, gapped to 0.028 inch. The iridium upgrade is the CR9EIX.
What is the spark plug gap for a Kawasaki ZX636 Ninja ZX-6R?
The spark plug gap for the Kawasaki ZX636 Ninja ZX-6R 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 ZX636 Ninja ZX-6R?
Yes. The CR9EIX 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 ZX636 Ninja ZX-6R
We cover the other consumables for your machine too - the exact fit, cited, in one place.