Suzuki GT550 Spark Plug

The Suzuki GT550 (550cc) takes an NGK CR9EK spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK CR9EK.
  • Iridium upgrade: NGK BR8EIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 1995-2006.
Standard PlugCR9EK
Iridium UpgradeBR8EIX
Gap0.028"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Suzuki GT550

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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Frequently asked

What spark plug does a Suzuki GT550 take?

The Suzuki GT550 takes an NGK CR9EK spark plug, gapped to 0.028 inch. The iridium upgrade is the BR8EIX.

What is the spark plug gap for a Suzuki GT550?

The spark plug gap for the Suzuki GT550 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 Suzuki GT550?

Yes. The BR8EIX is the iridium version of the CR9EK - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Suzuki GT550

We cover the other consumables for your machine too - the exact fit, cited, in one place.

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