PISTON KIT 92-01 KX250 66.40 A WOSSNER 8026DA KAWASAKI MX

Wossner Forged Piston Kit 66.40mm Bore – Kawasaki KX250 (1992–2001)
This Wossner forged piston kit is specifically designed for Kawasaki KX250 models produced from 1992 to 2001. With a standard bore of 66.40 mm and a piston diameter of 66.34 mm, it is built to provide strength, durability, and thermal efficiency for high-performance 2-stroke engines. The forged aluminium construction, combined with an elliptical design, ensures optimal heat transfer and balanced thrust load distribution under engine expansion. Precision-manufactured in Germany for consistent quality and fit.

Features

• Forged construction for superior strength and wear resistance

• Engineered to maximise heat dissipation from combustion chamber to cylinder walls

• Elliptical profile distributes load evenly to reduce localised pressure and piston fatigue

• Manufactured in Germany to high precision standards

Specifications

• Bore Size: 66.40 mm

• Piston Diameter: 66.34 mm

• Engine Displacement: 249 cm³

• Stroke: 72.00 mm

• Clearance: 0.06 mm

• Compression Height: 38.00 mm

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

Cross-Reference OEM and Equivalent Part Numbers

• 13001-1373

• 09104740

• 617M06640

Cross-Reference Wossner Part Numbers

• Piston Kit: 8026DA

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6640 x 2

Vehicle Fitments

• 1992 Kawasaki KX250

• 1993 Kawasaki KX250

• 1994 Kawasaki KX250

• 1995 Kawasaki KX250

• 1996 Kawasaki KX250

• 1997 Kawasaki KX250

• 1998 Kawasaki KX250

• 1999 Kawasaki KX250

• 2000 Kawasaki KX250

• 2001 Kawasaki KX250

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.