PISTON KIT 92-01 KX250 66.40 A, WOSSNER 8026DA KAWASAKI MX 13001-1373

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