WOSSNER 49mm PISTON KIT YAMAHA YZ80 1993-2002

Wossner Piston Kit 8188D200 is a forged performance piston designed for Yamaha YZ80 models from 1993 to 2001, featuring a 49.00mm bore (+2.00 US Bore). This German-manufactured piston offers excellent thermal management and mechanical reliability. Its elliptical profile provides a consistent and uniform bearing surface during thermal expansion, minimising high-stress zones and reducing the risk of piston collapse during intense use.

Features

• Forged construction delivers high durability and strength under extreme load

• Elliptical design reduces localised pressure and distributes thrust evenly

• Enhanced heat dissipation from combustion chamber to cylinder walls

• Precision engineering and manufacturing in Germany

Specifications

• Bore: 49.00 mm

• Actual Piston Diameter: 48.95 mm

• Stroke: 47.80 mm

• Displacement: 82 cm³

• Clearance: 0.05 mm

• Compression Height: 26.00 mm

• Wossner Compression Ratio: 2-stroke

• OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Wossner Piston: 8188D200

• Lock: CW14

• Pin: WP058

• Ring Set: RSB4900

• Rod: P2008

• Internal Part No: 56-W646+200.WO

Vehicle Fitments

• 1993 Yamaha YZ80

• 1994 Yamaha YZ80

• 1995 Yamaha YZ80

• 1996 Yamaha YZ80

• 1997 Yamaha YZ80

• 1998 Yamaha YZ80

• 1999 Yamaha YZ80

• 2000 Yamaha YZ80

• 2001 Yamaha YZ80

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.