CrankDex

Yamaha YZFR1 (R1) Spark Plug

The Yamaha YZFR1 (R1) (1000cc) takes an NGK CR9E spark plug, gapped to 0.035".

Shop the CR9E plug Amazon · we may earn a commission, at no extra cost to you

Key takeaways

  • Spark plug: NGK CR9E.
  • Iridium upgrade: NGK CR9EIX.
  • Gap: 0.035 inch - set it before fitting.
  • Covers 1993-1994.
Standard PlugCR9E
Iridium UpgradeCR9EIX
Gap0.035"
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 YZFR1 (R1)

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 CR9E plugStandard NGK plug + multi-packsShop Upgrade: CR9EIX iridiumLonger life, stronger sparkShop

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Frequently asked

What spark plug does a Yamaha YZFR1 (R1) take?

The Yamaha YZFR1 (R1) takes an NGK CR9E spark plug, gapped to 0.035 inch. The iridium upgrade is the CR9EIX.

What is the spark plug gap for a Yamaha YZFR1 (R1)?

The spark plug gap for the Yamaha YZFR1 (R1) is 0.035 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 YZFR1 (R1)?

Yes. The CR9EIX is the iridium version of the CR9E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha YZFR1 (R1)

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

More Yamaha spark plugs

0.035 250 RT3AT1AT1BMXAT1CMXAT2AT2MAT2MXAT3BW350CP250 Morphous ScooterCS3BCS5