Piston Kit - Yamaha YZ 426 F 4T ('00-'02) / WR 426 F ('01-'02) - 426 4T - ProX

Please select the piston size from the box above.

ProX piston kit for Yamaha YZ 426 F (2000-2002) / WR 426 F (2001-2002) - 426cc 4T. The complete application list can be found below.

Technical specifications:
- standard cylinder diameter (factory diameter): 95.00 mm
- engine type: 4-stroke
- total piston length (B): 41.60 mm
- piston pin diameter (C): 19.00 mm
- compression height (D): 14.50 mm
- pin groove position measured from center (E): -
- pin groove position measured from center (F): -
- internal distance of piston pin (G): 20.70 mm
- piston head shape: recessed
- other information: 5 x valve pockets
- manufacturing technology: forged piston
- compression ratio: 12.5:1

Available piston sizes (A):
- A (94.95 mm)
- B (94.96 mm)
- C (94.97 mm)