WOSSNER 65.25mm PISTON KIT YAMAHA YFZ350 BANSHEE 87-07, RD350 LC/YPVS 80-92

This Wossner forged piston kit with a 65.25mm bore (65.19mm actual) is built for Yamaha two-stroke engines such as the YFZ350 Banshee, RD350 models, RZ350, and others. Manufactured in Germany, it features a forged construction and elliptical design that enhances structural integrity, improves heat transfer, and promotes uniform load distribution to reduce piston collapse under thermal stress.

Features

• Forged piston construction for high strength and durability

• Engineered for effective heat transfer from combustion chamber to cylinder walls

• Elliptical profile ensures even pressure distribution under expansion

• Made in Germany

Specifications

• Bore size: 65.25mm (65.19mm)

• Display volume: 347 cm³

• Stroke: 54.00 mm

• Clearance: 0.06 mm

• Compression height: 36.00 mm

• Dome volume: Not specified

• Theoretical weight: Not specified

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

Cross-Reference OEM Part Numbers

• Piston: 8075D125

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6525 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 YFM350 1987–2008

• 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.