WOSSNER 56.75mm PISTON KIT YAMAHA YZ125 1984

This Wossner forged piston kit with a 56.75mm bore (56.69mm) is designed for the 1984 Yamaha YZ125. Manufactured in Germany, it delivers improved strength and efficient thermal conductivity. Its elliptical design ensures a more uniform bearing surface under heat expansion, promoting even thrust load distribution and reducing the risk of piston collapse.

Features

• Forged piston for enhanced strength and durability

• Designed for optimal heat transfer from combustion to cylinder walls

• Elliptical profile provides uniform pressure distribution under thermal expansion

• Made in Germany

Specifications

• Bore size: 56.75mm (56.69mm)

• Display volume: 123 cm³

• Stroke: 50.00 mm

• Clearance: 0.06 mm

• Compression height: 30.80 mm

• Theoretical weight: Not specified

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

Cross-Reference OEM Part Numbers

• Piston: 8120D075

• Lock: CW16

• Pin: WP036

• Ring Set: RSB5675

Vehicle Fitments

• Yamaha YZ125 1984

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.