PISTON KIT 87-08 YFZ350 64.75, WOSSNER 8075D075 YAMAHA ATV

This Wossner forged piston kit with a 64.75mm bore (64.69mm) is built for Yamaha models including the YFZ350 Banshee (1987–2007), RD350 LC - YPVS (1980–1987), RD350 AC (1950–2014), and RZ350 (1982–1990). Engineered in Germany, the piston provides excellent durability, thermal efficiency, and uniform load distribution through its elliptical design, minimizing localized stress and helping prevent piston collapse.

Features

• Forged piston construction for high strength and performance

• Engineered for efficient combustion heat transfer

• Elliptical profile ensures consistent pressure distribution under expansion

• Made in Germany

Specifications

• Bore size: 64.75mm (64.69mm)

• 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: 8075D075

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6475 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