Triumph Trophy Trail TR5MX Spark Plug
The Triumph Trophy Trail TR5MX (500cc) takes an NGK BR8ES spark plug, gapped to 0.026".
Key takeaways
- Spark plug: NGK BR8ES.
- Iridium upgrade: NGK CR9EIX.
- Gap: 0.026 inch - set it before fitting.
- Covers 1995-1998.
Buy the plugs for your Triumph Trophy Trail TR5MX
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 Triumph Trophy Trail TR5MX take?
The Triumph Trophy Trail TR5MX takes an NGK BR8ES spark plug, gapped to 0.026 inch. The iridium upgrade is the CR9EIX.
What is the spark plug gap for a Triumph Trophy Trail TR5MX?
The spark plug gap for the Triumph Trophy Trail TR5MX is 0.026 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 Trophy Trail TR5MX?
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 Trophy Trail TR5MX
We cover the other consumables for your machine too - the exact fit, cited, in one place.