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

This Wossner forged piston kit with a 64.00mm bore (63.96mm) is engineered for compatibility with various Yamaha two-stroke models. Manufactured in Germany, it delivers enhanced durability and thermal efficiency. The elliptical profile supports even expansion and load distribution, helping to prevent localised stress and potential piston failure.

Features

• Forged piston construction for increased strength and longevity

• Designed to optimise 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

• 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