CrankDex

Yamaha YFM-125 Grizzly Spark Plug

The Yamaha YFM-125 Grizzly (125cc) takes an NGK BPR6ES spark plug, gapped to 0.032".

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Key takeaways

  • Spark plug: NGK BPR6ES.
  • Iridium upgrade: NGK BPR6EIX.
  • Gap: 0.032 inch - set it before fitting.
  • Covers 1980-1985.
Standard PlugBPR6ES
Iridium UpgradeBPR6EIX
Gap0.032"
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 YFM-125 Grizzly

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 BPR6ES plugStandard NGK plug + multi-packsShop Upgrade: BPR6EIX iridiumLonger life, stronger sparkShop

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Frequently asked

What spark plug does a Yamaha YFM-125 Grizzly take?

The Yamaha YFM-125 Grizzly takes an NGK BPR6ES spark plug, gapped to 0.032 inch. The iridium upgrade is the BPR6EIX.

What is the spark plug gap for a Yamaha YFM-125 Grizzly?

The spark plug gap for the Yamaha YFM-125 Grizzly is 0.032 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 YFM-125 Grizzly?

Yes. The BPR6EIX is the iridium version of the BPR6ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha YFM-125 Grizzly

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

BatteryYamaha batterysAir & oil filterfor the YFM-125 GrizzlyTire sizeYamaha tire sizes

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