Moto Guzzi 850 F Spark Plug

The Moto Guzzi 850 F (850cc) takes an NGK BPR6ES spark plug, gapped to 0.025".

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Key takeaways

  • Spark plug: NGK BPR6ES.
  • Iridium upgrade: NGK BPR7EIX.
  • Gap: 0.025 inch - set it before fitting.
  • Covers 1993.
Standard PlugBPR6ES
Iridium UpgradeBPR7EIX
Gap0.025"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Moto Guzzi 850 F

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.

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Frequently asked

What spark plug does a Moto Guzzi 850 F take?

The Moto Guzzi 850 F takes an NGK BPR6ES spark plug, gapped to 0.025 inch. The iridium upgrade is the BPR7EIX.

What is the spark plug gap for a Moto Guzzi 850 F?

The spark plug gap for the Moto Guzzi 850 F is 0.025 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 Moto Guzzi 850 F?

Yes. The BPR7EIX 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 Moto Guzzi 850 F

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

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