PISTON KIT 11-14 KX250F 77mm B, 8814DB WOSSNER KAWASAKI

This Wossner forged piston kit features a 77.01mm bore size (76.97mm actual), offering a +0.01mm oversize fitment for Kawasaki KX250F models from 2011 to 2014. Manufactured in Germany with a two-ring design, the piston is built for strength and precision. Its elliptical contour ensures even load distribution under heat expansion, enhancing performance and durability in high-stress applications.

Features

• Forged piston construction with two-ring configuration for strength and reliability

• Elliptical design promotes even thrust load distribution under thermal stress

• Engineered for efficient combustion heat transfer to cylinder walls

• Manufactured in Germany

Specifications

• Bore Size: 77.01mm (actual 76.97mm)

• Displacement: 249 cm³

• Stroke: 53.60 mm

• Clearance: 0.04 mm

• Compression Ratio (Wossner): OEM

• Compression Ratio (OEM): 13.50:1

• Dome Volume: -2.80 cm³

• Compression Height: 19.60 mm

• Lock Part Number: CW16

• Pin Part Number: WP070

• Ring Set Part Number: 770XAS-2

Cross-Reference OEM Part Numbers

• 56-W952.B.WO

Vehicle Fitments

• 2011 Kawasaki KX250F

• 2012 Kawasaki KX250F

• 2013 Kawasaki KX250F

• 2014 Kawasaki KX250F