Suzuki RM250 Spark Plug
GarageDex's powersports data shows the Suzuki RM250 uses a BR9EIX spark plug, gapped to 0.024". Spark plug fitment varies by year - see the table for each range.
Spark plug fitment by year
| Years | Standard plug | Iridium upgrade | 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" |
125cc motorcycle. Match the exact part code, thread reach, and heat range. The iridium column is the same-fit upgrade for a longer service life.
Spark plugs for your Suzuki RM250
The recommended plug is a BR9EIX. Match that code - spark plugs are thread-, reach-, and heat-range-specific, so the part number matters more than the brand. Worth considering: the BR9EIX iridium upgrade - it fits the same port, fires cleaner, and lasts far longer between changes.
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Frequently asked
What spark plug does a Suzuki RM250 take?
GarageDex's powersports data shows the Suzuki RM250 uses a BR9EIX spark plug, gapped to 0.024". Spark plug fitment varies by year - see the table for each range.
What is the spark plug gap on a Suzuki RM250?
The Suzuki RM250 spark plug gap is 0.024". Set the gap with a feeler gauge before install - iridium plugs come pre-gapped but always verify, since a wrong gap causes misfires and hard starts.
Does the Suzuki RM250 spark plug change by year?
Yes - the fitment differs across the years we cover: 2007-2010 uses BR9EIX; 2001-2008 uses BR10EIX; 1996-2000 uses BR10EYA; 1989-1992 uses BR9EIX; 1980 uses DR8EA; 1979 uses BR8ES; 1974-1975 uses BR9EIX. Match your exact year in the table.
How often should I change the spark plugs on a motorcycle?
Standard plugs typically want replacing every 8,000-12,000 miles (or per your service manual); iridium plugs go much longer. Fouled or worn plugs cause hard starts, misfires, and poor fuel economy - a cheap part that punches above its weight.