Suzuki GS1100 Spark Plug
The Suzuki GS1100 (1100cc) takes an NGK DR8EA spark plug, gapped to 0.032".
Key takeaways
- Spark plug: NGK DR8EA.
- Iridium upgrade: NGK CR9EIX.
- Gap: 0.032 inch - set it before fitting.
- Covers 1997-2016 (plug changed across years - see table).
Buy the plugs for your Suzuki GS1100
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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Suzuki GS1100 spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 2016 | DR8EA | CR9EIX | 0.032" |
| 1997-2002 | CR9EK | CR9EIX | 0.026" |
Frequently asked
What spark plug does a Suzuki GS1100 take?
The Suzuki GS1100 takes an NGK DR8EA spark plug, gapped to 0.032 inch. The iridium upgrade is the CR9EIX. See the by-year table for earlier models.
What is the spark plug gap for a Suzuki GS1100?
The spark plug gap for the Suzuki GS1100 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 Suzuki GS1100?
Yes. The CR9EIX is the iridium version of the DR8EA - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Suzuki GS1100
We cover the other consumables for your machine too - the exact fit, cited, in one place.