WOSSNER 46mm PISTON KIT A, YAMAHA YZ80 1993-2001

The 46mm Bore Wossner Piston Kit (Part No. 8239DA) is a standard size forged piston engineered for Yamaha YZ80 models from 1993 to 2001. Precision-manufactured in Germany, this piston is designed for high strength and efficient heat transfer. Its elliptical shape optimises surface bearing during thermal expansion, distributing load evenly to help prevent piston failure.

Features

• Forged piston construction for superior strength

• Optimised combustion heat transfer to cylinder walls

• Elliptical design reduces localised pressure and distributes thrust loads evenly

• Designed to resist piston collapse under thermal expansion

• Manufactured in Germany

Specifications

• Bore Size: 46.00 mm

• Clearance: 0.05 mm

• Compression Height: 26.00 mm

• Stroke: 47.80 mm

• Displacement: 82 cm³

• Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

• PROX 01.2107

Vehicle Fitments

• 1993 Yamaha YZ 80

• 1994 Yamaha YZ 80

• 1995 Yamaha YZ 80

• 1996 Yamaha YZ 80

• 1997 Yamaha YZ 80

• 1998 Yamaha YZ 80

• 1999 Yamaha YZ 80

• 2000 Yamaha YZ 80

• 2001 Yamaha YZ 80

Included Components

• Lock: CW14

• Pin: WP058

• Ring Set: RSB4600

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.