Yamaha 0.035 250 RT3 Spark Plug
The Yamaha 0.035 250 RT3 takes an NGK BR8ES spark plug, gapped to 0.024".
Key takeaways
- Spark plug: NGK BR8ES.
- Iridium upgrade: NGK BR9EIX.
- Gap: 0.024 inch - set it before fitting.
- Covers 1976-1979.
Buy the plugs for your Yamaha 0.035 250 RT3
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 Yamaha 0.035 250 RT3 take?
The Yamaha 0.035 250 RT3 takes an NGK BR8ES spark plug, gapped to 0.024 inch. The iridium upgrade is the BR9EIX.
What is the spark plug gap for a Yamaha 0.035 250 RT3?
The spark plug gap for the Yamaha 0.035 250 RT3 is 0.024 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 0.035 250 RT3?
Yes. The BR9EIX 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 Yamaha 0.035 250 RT3
We cover the other consumables for your machine too - the exact fit, cited, in one place.