Piston Kit - Yamaha WR 250 F ('18-'19) / YZ 250 F ('16-'18) / YZ 250 FX ('17-'19) - 250 4T - ProX

from 161,07 EUR shipping costs Product code: PROX.01.2417.x

Please select the piston size from the box above.

ProX piston kit for Yamaha YZ 250 F (2016-2018) / YZ 250 FX 4T (2017-2019) / WR 250 F (2018-2019) - 250cc 4T. The complete application list can be found below.

Technical specifications:
- standard cylinder diameter (factory diameter): 77.00 mm
- engine type: 4-stroke
- total piston length (B): 38.70 mm
- piston pin diameter (C): 16.00 mm
- compression height (D): 12.30 mm
- pin groove position measured from center (E): -
- pin groove position measured from center (F): -
- internal distance of piston pin (G): 17.40 mm
- piston head shape: flat
- other information: 4 x valve pockets
- manufacturing technology: forged piston
- compression ratio: 13.5:1

Available piston sizes (A):
- A (76.95 mm)
- B (76.96 mm)
- C (76.97 mm)