Aprilia RS250 Spark Plug
The Aprilia RS250 (250cc) takes an NGK CR8EB spark plug, gapped to 0.020".
Key takeaways
- Spark plug: NGK CR8EB.
- Iridium upgrade: NGK CR8EIX.
- Gap: 0.020 inch - set it before fitting.
- Covers 2004-2006.
Buy the plugs for your Aprilia RS250
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 Aprilia RS250 take?
The Aprilia RS250 takes an NGK CR8EB spark plug, gapped to 0.020 inch. The iridium upgrade is the CR8EIX.
What is the spark plug gap for a Aprilia RS250?
The spark plug gap for the Aprilia RS250 is 0.020 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 Aprilia RS250?
Yes. The CR8EIX is the iridium version of the CR8EB - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Aprilia RS250
We cover the other consumables for your machine too - the exact fit, cited, in one place.