This CP Pistons Pro Race piston kit is a forged, high-compression replacement for the 2020-2021 Honda CRF250R. Machined with CP's race-proven design, it runs a 79mm standard bore and a 14.0:1 compression ratio for strong top-end power. Includes piston, rings, pin, and locks.
| Application | Honda CRF250R |
| Years | 2020-2021 |
| Series | Pro Race |
| Bore | 79 mm (standard) |
| Stroke | 50.9 mm |
| Displacement | 249 cc |
| Compression | 14.0:1 |
| Includes | Piston, rings, pin, locks |
| Part Number | MX2085-P |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
