PISTON KIT 92-01 KX250 66.40 B, WOSSNER 8026DB KAWASAKI MX

Wossner Forged Piston Kit 66.41mm Bore – Kawasaki KX250 (1992–2001)
This Wossner forged piston kit is designed for Kawasaki KX250 models from 1992 to 2001, featuring a bore size of 66.41 mm and a piston diameter of 66.35 mm (+0.01 mm oversize). Built for performance in 2-stroke engines, the forged piston offers superior strength and optimal heat transfer. The elliptical shape provides consistent load distribution, reducing stress and improving piston reliability under high-temperature conditions. Manufactured in Germany with precision engineering.

Features

• Forged piston construction for durability under extreme conditions

• Efficient combustion chamber heat transfer to cylinder walls

• Elliptical design ensures even pressure distribution and minimises wear

• Manufactured in Germany to exacting standards

Specifications

• Bore Size: 66.41 mm

• Piston Diameter: 66.35 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 Wossner Part Numbers

• Piston Kit: 8026DB

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6640 x 2

Vehicle Fitments

• 1992–2001 Kawasaki KX250