CrankDex

Yamaha YXR660 Rhino Spark Plug

The Yamaha YXR660 Rhino (700cc) takes an NGK BPR4ES spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK BPR4ES.
  • Iridium upgrade: NGK DPR8EIX-9.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 2004-2005.
Standard PlugBPR4ES
Iridium UpgradeDPR8EIX-9
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 YXR660 Rhino

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 BPR4ES plugStandard NGK plug + multi-packsShop Upgrade: DPR8EIX-9 iridiumLonger life, stronger sparkShop

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Frequently asked

What spark plug does a Yamaha YXR660 Rhino take?

The Yamaha YXR660 Rhino takes an NGK BPR4ES spark plug, gapped to 0.028 inch. The iridium upgrade is the DPR8EIX-9.

What is the spark plug gap for a Yamaha YXR660 Rhino?

The spark plug gap for the Yamaha YXR660 Rhino 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 YXR660 Rhino?

Yes. The DPR8EIX-9 is the iridium version of the BPR4ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha YXR660 Rhino

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

BatteryYamaha batterysAir & oil filterfor the YXR660 RhinoTire sizeYamaha tire sizes

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