Suzuki RM250 Spark Plug
The Suzuki RM250 (125cc) takes an NGK BR9EIX spark plug, gapped to 0.024".
Key takeaways
- Iridium plug: NGK BR9EIX.
- Iridium upgrade available in the same fit.
- Gap: 0.024 inch - set it before fitting.
- Covers 1974-2010 (plug changed across years - see table).
Buy the plugs for your Suzuki RM250
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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Suzuki RM250 spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 2007-2010 | - | BR9EIX | 0.024" |
| 2001-2008 | - | BR10EIX | 0.024" |
| 1996-2000 | BR10EYA | BR7EIX | 0.024" |
| 1989-1992 | - | BR9EIX | 0.024" |
| 1980 | DR8EA | BR8EIX | 0.024" |
| 1979 | BR8ES | BR10EIX | 0.024" |
| 1974-1975 | - | BR9EIX | 0.032" |
Frequently asked
What is the spark plug gap for a Suzuki RM250?
The spark plug gap for the Suzuki RM250 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 Suzuki RM250?
Yes. The BR9EIX is the iridium version of the null - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Suzuki RM250
We cover the other consumables for your machine too - the exact fit, cited, in one place.