PISTON KIT 03 KX125 54.00 B, WOSSNER 8073DB KAWASAKI MX

This Wossner forged piston kit is designed for high-performance use in the Kawasaki KX125 (2003 model). With a bore size of 54.01mm and actual piston diameter of 53.96mm, it delivers precision fitment, efficient heat transfer, and optimal durability for demanding two-stroke engine conditions.

Features

• Forged construction provides superior strength over cast pistons

• Designed for efficient combustion heat transfer to cylinder walls

• Elliptical profile ensures uniform bearing surface under thermal expansion

• Hard Teflon skirt coating allows for smooth operation and bore conformity

Specifications

• Bore Size: 54.01 mm

• Piston Diameter: 53.96 mm

• Compression Height: 29.30 mm

• Stroke: 54.50 mm

• Clearance: 0.05 mm

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

• Displacement: 125 cm³

Cross-Reference OEM Part Numbers

• Piston Kit: Wossner 8073DA

• Alternate Piston Kit Reference: 56-W822.B.WO / 8073DB

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5400

• Rod: P2010

Vehicle Fitments

• Kawasaki KX125 2003