PISTON KIT 11-14 KX250F 77mm B, 8816DB WOSSNER KAWASAKI HC

This Wossner forged high-compression piston kit features a 77.01mm bore size (76.97mm actual), providing a +0.01mm oversize option for Kawasaki KX250F models from 2011 to 2014. Engineered in Germany, it includes a hard Teflon skirt coating for improved cylinder conformity and long-term reliability. With a two-ring setup and elliptical design, the piston ensures balanced load distribution and efficient thermal performance.

Features

• Forged high-compression piston with two-ring design

• Elliptical profile for uniform pressure distribution under heat expansion

• Hard Teflon skirt coating enhances cylinder fit and wear resistance

• Engineered for superior heat transfer efficiency

• Manufactured in Germany

Specifications

• Bore Size: 77.01mm (actual 76.97mm)

• Displacement: 250 cm³

• Stroke: 53.60 mm

• Clearance: 0.04 mm

• Compression Ratio (Wossner): 14.20:1

• Compression Ratio (OEM): 13.50:1

• Dome Volume: -1.70 cm³

• Compression Height: 19.60 mm

• Lock Part Number: CW16

• Pin Part Number: WP070

• Ring Set Part Number: 770XAS-S

Cross-Reference OEM Part Numbers

• 56-W952.B.WO.HC

Vehicle Fitments

• 2011 Kawasaki KX250F

• 2012 Kawasaki KX250F

• 2013 Kawasaki KX250F

• 2014 Kawasaki KX250F