Kit piston - Honda CRF 250 R ('04-'07) / CRF 250 X ('04-'17) - 250 4T - ProX

Please select the piston size from the box above.

ProX piston kit for Honda CFR 250 R (2004-2007) / CRF 250 X (2004-2017) - 250cc 4T. The complete application list can be found below.

Technical specifications:
- standard cylinder diameter (factory diameter): 78.00 mm
- engine type: 4-stroke
- total piston length (B): 30.00 mm
- piston pin diameter (C): 16.00 mm
- compression height (D): 11.00 mm
- intake valve pocket diameter (E): -
- exhaust valve pocket diameter (F): -
- internal piston pin distance (G): 16.80 mm
- piston crown shape: domed
- other information: 4 x valve pockets
- manufacturing technology: forged piston coated with molybdenum disulfide (MoS2)
- compression ratio: 12.9:1

Available piston sizes (A):
- A (77.97 mm)
- B (77.98 mm)
- C (77.99 mm)