PISTON KIT 90-91 KX250 67.40 A WOSSNER 8109DA KAWASAKI MX

Wossner Forged Piston Kit 67.40mm Bore – Kawasaki KX250 / KDX250 (1990–1994)
This Wossner forged piston kit is designed for Kawasaki KX250 and KDX250 models from 1990 to 1994. With a standard bore size of 67.40 mm and a piston diameter of 67.34 mm, it offers high strength and reliable performance for 2-stroke engines. Its forged construction and elliptical design support optimal combustion heat transfer and balanced load distribution, minimising wear and improving long-term reliability. Manufactured in Germany.

Features

• Forged piston construction for enhanced durability and high performance

• Efficient thermal conductivity for effective heat dissipation

• Elliptical geometry for uniform load distribution and reduced stress concentration

• Manufactured in Germany for superior quality control

Specifications

• Bore Size: 67.40 mm

• Piston Diameter: 67.34 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 OEM Part Numbers

• 13001-1345

• 607M06740

Cross-Reference Wossner Part Numbers

• Piston Kit: 8109DA

• 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.