Yamaha TY250 Spark Plug

The Yamaha TY250 (250cc) takes an NGK CR9E spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK CR9E.
  • Iridium upgrade: NGK CR9EIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 1974-2006 (plug changed across years - see table).
Standard PlugCR9E
Iridium UpgradeCR9EIX
Gap0.028"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Yamaha TY250

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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Yamaha TY250 spark plugs by year

YearsStandardIridiumGap
1999-2006CR9ECR9EIX0.028"
1974-1977BR7ESBR7EIX0.032"

Frequently asked

What spark plug does a Yamaha TY250 take?

The Yamaha TY250 takes an NGK CR9E 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 Yamaha TY250?

The spark plug gap for the Yamaha TY250 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 Yamaha TY250?

Yes. The CR9EIX is the iridium version of the CR9E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Yamaha TY250

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

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