PISTON KIT 87-07 YFZ350 64.00, WOSSNER 8075DA YAMAHA ATV, RD350, RD400

This Wossner forged piston kit with a 64.00mm bore (63.94mm) is designed for Yamaha YFZ350 Banshee (1987–2007), RD350 LC - YPVS (1980–1987), RD350 AC (1950–2014), and RZ350 (1982–1990). Manufactured in Germany, it offers increased durability and optimised thermal management. Its elliptical design promotes even load distribution under heat expansion, minimising the risk of piston collapse.

Features

• Forged construction for high strength and long-term durability

• Engineered for efficient heat transfer from combustion to cylinder walls

• Elliptical profile provides uniform pressure distribution under expansion

• Made in Germany

Specifications

• Bore size: 64.00mm (63.94mm)

• 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: 8075DA

• 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

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex