PISTON KIT 90-91 KX250 67.40 B WOSSNER 8109DB KAWASAKI MX

Wossner Forged Piston Kit 67.41mm Bore – Kawasaki KX250 / KDX250 (1990–1994)
This Wossner forged piston kit is designed for Kawasaki KX250 and KDX250 models manufactured between 1990 and 1994. Featuring a 67.41 mm bore and a piston diameter of 67.35 mm (+0.01 mm oversize), it offers excellent mechanical strength and thermal stability. Forged in Germany, the piston incorporates an elliptical design that promotes even load distribution and minimises the risk of localised pressure build-up under heat expansion.

Features

• Forged construction for superior strength and extended service life

• Optimised for efficient combustion chamber heat dissipation

• Elliptical geometry provides uniform thrust load distribution and reduces wear

• Precision-manufactured in Germany

Specifications

• Bore Size: 67.41 mm

• Piston Diameter: 67.35 mm

• Engine Displacement: 250 cm³

• Stroke: 70.00 mm

• Clearance: 0.06 mm

• Compression Height: 37.00 mm

• Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference Wossner Part Numbers

• Piston Kit: 8109DB

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6740 x 2

• Rod: P2022

Vehicle Fitments

• 1990 Kawasaki KX250

• 1991 Kawasaki KX250

• 1991 Kawasaki KDX250

• 1992 Kawasaki KDX250

• 1993 Kawasaki KDX250

• 1994 Kawasaki KDX250

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.