PISTON KIT 09-13 EX650 NINJA, WOSSNER K8726DA-2 ROAD, KAWASAKI 2 PISTON

This Wossner forged piston kit with a 54.25mm bore is a standard replacement for Kawasaki EX650 Ninja models from 2009 to 2013. Designed specifically with a two-ring configuration, these pistons offer high strength and superior heat transfer performance. Made in Germany, the elliptical design ensures even pressure distribution during thermal expansion, helping to prevent localised stress and piston failure.

Features

• Forged construction for maximum durability and strength

• Designed for efficient combustion chamber heat dissipation

• Elliptical profile ensures consistent bearing surface under thermal expansion

• Two-ring piston configuration

• Manufactured in Germany

Specifications

• Bore: 54.25mm (Standard)

• Actual bore: 54.14mm

• Clearance: 0.05mm

• Part Number: 56-W9862.84.WO

• Includes 2 pistons (kit)

• 2-ring piston design

Cross-Reference OEM Part Numbers

• 56-W9862.84.WO

• K8726DA-2

Vehicle Fitments

• Kawasaki EX650 Ninja (2009–2013)