PISTON KIT 82-83 YZ80 48.00, FORGED WOSSNER 8185D100

Description

Wossner 48mm Bore Piston Kit (PN 8185D100) is designed for Yamaha YZ80 models from 1982 to 1983. This forged piston ensures high strength, efficient heat transfer, and durability. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards.

Features

• High-strength forged piston for durability and performance
• Optimized heat transfer for efficient combustion
• Elliptical design prevents piston collapse and ensures even load distribution
• Manufactured in Germany

Specifications

• Bore: 48mm
• Actual diameter: 47.95mm
• Display (cm³): 79
• Stroke (mm): 55.50
• Clearance (mm): 0.05
• Compression Ratio: OEM
• OEM Compression Ratio: 11.10:1
• Dome Volume (cm³): -0.20
• Compression Height (mm): 22.80

Cross-Reference OEM Part Numbers

• Lock: CW12
• Pin: WP091
• Ring Set: RSB4800

Vehicle Fitments

• Yamaha YZ80 (1982-1983)