PISTON KIT 1984 YZ125 56.00 WOSSNER 8120DA YAMAHA MX

This Wossner forged piston kit with a 56mm bore (55.94mm) is designed for the 1984 Yamaha YZ125. Manufactured in Germany, it delivers high durability and thermal efficiency. The piston features an elliptical design that ensures a uniform bearing surface during expansion, reducing stress and helping prevent piston collapse under load.

Features

• Forged piston construction for enhanced strength

• Engineered for efficient heat transfer to the cylinder walls

• Elliptical profile supports even expansion and load distribution

• Made in Germany

Specifications

• Bore size: 56mm (55.94mm)

• 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: 8120DA

• Lock: CW16

• Pin: WP036

• Ring Set: RSB5600

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.