PISTON KIT 87-09 YFZ350 64.00, WOSSNER 8075DC YAMAHA ATV

This Wossner forged piston kit with a 64.00mm bore (63.96mm) is designed for Yamaha models including the YFZ350 Banshee (1987–2007), RD350 LC - YPVS (1980–1987), RD350 AC (1950–2014), and RZ350 (1982–1990). Manufactured in Germany, it offers high durability and thermal efficiency. Its elliptical profile ensures even pressure distribution during expansion, reducing the likelihood of piston collapse.

Features

• Forged piston construction for increased strength and longevity

• Designed to optimize heat transfer from combustion to cylinder walls

• Elliptical design ensures uniform expansion and thrust load distribution

• Made in Germany

Specifications

• Bore size: 64.00mm (63.96mm)

• 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: 8075DC

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6400 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

• Yamaha RD350 1974