CrankDex

Yamaha YR2 Grand Prix Spark Plug

The Yamaha YR2 Grand Prix (250cc) takes an NGK DR8EIX spark plug, gapped to 0.024".

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Key takeaways

  • Iridium plug: NGK DR8EIX.
  • Iridium upgrade available in the same fit.
  • Gap: 0.024 inch - set it before fitting.
  • Covers 1974.
Standard Plug-
Iridium UpgradeDR8EIX
Gap0.024"
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 YR2 Grand Prix

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.

Upgrade: DR8EIX iridiumLonger life, stronger sparkShop

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Frequently asked

What is the spark plug gap for a Yamaha YR2 Grand Prix?

The spark plug gap for the Yamaha YR2 Grand Prix is 0.024 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 YR2 Grand Prix?

Yes. The DR8EIX is the iridium version of the null - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha YR2 Grand Prix

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

BatteryYamaha batterysAir & oil filterYamaha air & oil filtersTire sizeYamaha tire sizes

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