Honda CBR1000RR Spark Plug
GarageDex's powersports data shows the Honda CBR1000RR uses a DPR9EA-9 spark plug. Spark plug fitment varies by year - see the table for each range.
Spark plug fitment by year
| Years | Standard plug | Iridium upgrade | Gap |
|---|---|---|---|
| 2007 | DPR9EA-9 | - | - |
| 2004-2007 | - | CR8EHIX-9 | 0.036" |
1000cc 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 Honda CBR1000RR
The recommended plug is a DPR9EA-9. Match that code - spark plugs are thread-, reach-, and heat-range-specific, so the part number matters more than the brand. Gap it to spec before it goes in and you're done.
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Frequently asked
What spark plug does a Honda CBR1000RR take?
GarageDex's powersports data shows the Honda CBR1000RR uses a DPR9EA-9 spark plug. Spark plug fitment varies by year - see the table for each range.
Does the Honda CBR1000RR spark plug change by year?
Yes - the fitment differs across the years we cover: 2007 uses DPR9EA-9; 2004-2007 uses CR8EHIX-9. 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.