CrankDex

Yamaha TT600S Spark Plug

The Yamaha TT600S (600cc) takes an NGK DPR7EA-9 spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK DPR7EA-9.
  • Iridium upgrade: NGK CR8EIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 1992-1999.
Standard PlugDPR7EA-9
Iridium UpgradeCR8EIX
Gap0.028"
Verified fitLast checked
Sources: NGK powersports application catalogue
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Yamaha TT600S

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.

Shop the DPR7EA-9 plugStandard NGK plug + multi-packsShop Upgrade: CR8EIX iridiumLonger life, stronger sparkShop

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Frequently asked

What spark plug does a Yamaha TT600S take?

The Yamaha TT600S takes an NGK DPR7EA-9 spark plug, gapped to 0.028 inch. The iridium upgrade is the CR8EIX.

What is the spark plug gap for a Yamaha TT600S?

The spark plug gap for the Yamaha TT600S 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 Yamaha TT600S?

Yes. The CR8EIX is the iridium version of the DPR7EA-9 - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha TT600S

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

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