PISTON KIT 1984 YZ80 49.50, WOSSNER 8214D150 YAMAHA

This Wossner forged piston kit with a 49.50mm bore (48.95mm) is designed for the 1984 Yamaha YZ80. Precision-manufactured in Germany, the piston enhances engine performance through superior heat transfer and an elliptical design that supports even load distribution under thermal stress, helping to prevent piston collapse.

Features

• Forged piston design for high structural integrity

• Engineered for efficient combustion heat transfer to cylinder walls

• Elliptical profile reduces localized pressure and ensures uniform expansion

• Made in Germany

Specifications

• Bore size: 49.50mm (48.95mm)

• Display volume: 82 cm³

• Stroke: 84.00 mm

• Clearance: 0.06 mm

• Compression height: 30.80 mm

• Theoretical weight: Not specified

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

Cross-Reference OEM Part Numbers

• Piston: 8214D150

• Lock: CW12

• Pin: WP091

• Ring Set: RSB4950

Vehicle Fitments

• Yamaha YZ80 1984