Wossner Forged Piston Kit 8228D050 – 86.50mm Bore (+0.50) for Kawasaki KX500

The Wossner 8228D050 forged piston kit is designed to meet the demands of high-performance off-road riding for the Kawasaki KX500. With a +0.50 mm oversize bore (actual diameter 86.43 mm), this piston improves engine durability while preserving performance characteristics. The elliptical design ensures even expansion and effective heat transfer, distributing thrust loads more evenly and preventing localised wear or piston collapse. Crafted in Germany, this piston is suited for two-stroke racing and recreational applications.

Features

• Forged piston construction provides exceptional strength

• Elliptical design allows uniform thermal expansion and load distribution

• Engineered for efficient combustion heat dissipation

• Made in Germany for precision and reliability

Specifications

• Bore Size: 86.50 mm (actual diameter 86.43 mm)

• Stroke: 86.00 mm

• Display Volume: 500 cm³

• Compression Height: 37.50 mm

• Clearance: 0.07 mm

• Wossner Compression Ratio: 2-stroke

• OEM Compression Ratio: 2-stroke

Cross-Reference Wossner Part Numbers

• Piston Kit: 8228D050

• Lock: CW19

• Pin: WP019

• Ring Set: RSC8650 x2

• Rod: P2039

• Kit Part No: 56-W575.P2.WO

Vehicle Fitments

• 1988 Kawasaki KX500

• 1989 Kawasaki KX500

• 1990 Kawasaki KX500

• 1991 Kawasaki KX500

• 1992 Kawasaki KX500

• 1993 Kawasaki KX500

• 1994 Kawasaki KX500

• 1995 Kawasaki KX500

• 1996 Kawasaki KX500

• 1997 Kawasaki KX500

• 1998 Kawasaki KX500

• 1999 Kawasaki KX500

• 2000 Kawasaki KX500

• 2001 Kawasaki KX500

• 2002 Kawasaki KX500

• 2003 Kawasaki KX500

• 2004 Kawasaki KX500