WOSSNER 65.5mm PISTON KIT YAMAHA YFZ350 BANSHEE 87-07, RD350 LC/YPVS 80-92

This Wossner forged piston kit with a 65.50mm bore (65.44mm actual) is designed for Yamaha two-stroke models such as the YFZ350 Banshee, RD350 variants, and the RZ350. Made in Germany, the piston features a forged design for enhanced strength and thermal performance. Its elliptical shape helps ensure even load distribution during expansion, reducing localised stress and minimising the risk of piston collapse.

Features

• Forged piston construction for high strength and durability

• Engineered for optimal combustion heat transfer to cylinder walls

• Elliptical profile promotes uniform pressure distribution under thermal expansion

• Made in Germany

Specifications

• Bore size: 65.50mm (65.44mm)

• 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: 8075D150

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6550 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 1973–1977

• Yamaha RD400 1976

• Yamaha RD450 1976

• Yamaha RD350 1977

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.