WOSSNER 64.25mm PISTON KIT YAMAHA YFZ350 BANSHEE 87-07, RD350 LC/YPVS 80-92

This Wossner forged piston kit with a 64.25mm bore (64.19mm) is designed for select Yamaha two-stroke models. Engineered in Germany, it provides structural strength, efficient heat dissipation, and even pressure distribution to reduce the risk of piston deformation. Its elliptical shape enhances load balance during thermal expansion, ensuring reliable performance under demanding conditions.

Features

• Forged piston construction for superior durability

• Optimized for effective combustion heat dissipation

• Elliptical design for even thrust load distribution under thermal expansion

• Made in Germany

Specifications

• Bore size: 64.25mm (64.19mm)

• Display volume: 347 cm³

• Stroke: 54.00 mm

• Clearance: 0.06 mm

• Compression height: 36.00 mm

• Theoretical weight: Not specified

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

Cross-Reference OEM Part Numbers

• Piston: 8075D025

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6425 x 2

Vehicle Fitments

• Yamaha YFZ350 Banshee 1987–2007

• Yamaha RD350 LC - YPVS 1980–1987

• Yamaha RD350 AC 1950–2014

• Yamaha RZ350 1982–1990

• Yamaha RD350 1973–1975

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.