Piston Kit - Yamaha YZ250F / WR250F 4-stroke ('01-'04) (76.76-78.96mm) - Wossner

Forged piston kit Wossner for Yamaha YZ 250 F / WR 250 F 4T manufactured between 2001-2004.

The kit includes piston, rings, pin, and clips.

Please select the piston size from the box above.

Technical specifications:
- cylinder diameter: 76.80mm
- thermal clearance: 0.04mm
- number of rings: 3 (two compression / one oil)
- compression ratio: 12.50:1 (OEM)
- pin-to-cap distance (measured from the center of the pin): 22.20mm
- piston pin dimensions: 16x9x45mm.

Available piston sizes:
- A (76.76mm)
- B (76.77mm)
- C (76.78mm)
- +2.00mm.