Triumph Speed Triple Spark Plug

The Triumph Speed Triple (675cc) takes an NGK BR8ES spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK BR8ES.
  • Iridium upgrade: NGK CR9EIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 1993-2001 (plug changed across years - see table).
Standard PlugBR8ES
Iridium UpgradeCR9EIX
Gap0.028"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Triumph Speed Triple

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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Triumph Speed Triple spark plugs by year

YearsStandardIridiumGap
1999-2001BR8ESCR9EIX0.028"
1993-1996BR6ESCR9EIX0.028"

Frequently asked

What spark plug does a Triumph Speed Triple take?

The Triumph Speed Triple takes an NGK BR8ES spark plug, gapped to 0.028 inch. The iridium upgrade is the CR9EIX. See the by-year table for earlier models.

What is the spark plug gap for a Triumph Speed Triple?

The spark plug gap for the Triumph Speed Triple 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 Triumph Speed Triple?

Yes. The CR9EIX is the iridium version of the BR8ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Triumph Speed Triple

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

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