CrankDex

Yamaha FJ600 Spark Plug

The Yamaha FJ600 (600cc) takes an NGK DR8EA spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK DR8EA.
  • Iridium upgrade: NGK CR9EIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 2009-2010.
Standard PlugDR8EA
Iridium UpgradeCR9EIX
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 FJ600

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 DR8EA plugStandard NGK plug + multi-packsShop Upgrade: CR9EIX iridiumLonger life, stronger sparkShop

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Frequently asked

What spark plug does a Yamaha FJ600 take?

The Yamaha FJ600 takes an NGK DR8EA spark plug, gapped to 0.028 inch. The iridium upgrade is the CR9EIX.

What is the spark plug gap for a Yamaha FJ600?

The spark plug gap for the Yamaha FJ600 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 FJ600?

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 Yamaha FJ600

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

Batteryfor the FJ600Air & oil filterYamaha air & oil filtersTire sizeYamaha tire sizes

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