Triumph Speed Triple Spark Plug
The Triumph Speed Triple (675cc) takes an NGK BR8ES spark plug, gapped to 0.028".
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).
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
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 1999-2001 | BR8ES | CR9EIX | 0.028" |
| 1993-1996 | BR6ES | CR9EIX | 0.028" |
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.