PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200

PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200

£78.77
£78.77
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PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200
  • PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200
  • PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200
PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200

PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200

£78.77
£78.77

This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed for select Yamaha 80cc models from the 1970s and early 1980s, the kit delivers high-strength performance and precise thermal expansion control for reliable two-stroke engine operation.



Features





  • Forged construction ensures superior strength and durability




  • Engineered for efficient heat transfer from combustion chamber to cylinder walls




  • Elliptical design promotes uniform bearing surface during heat expansion




  • Distributes thrust loads evenly to prevent piston collapse




  • Manufactured in Germany





Specifications





  • Bore: 49.00mm




  • Diameter: 48.95mm




  • Stroke: 42.00 mm




  • Clearance: 0.05 mm




  • Compression Ratio (Wossner): 2-stroke




  • Compression Ratio (OEM): 2-stroke




  • Compression Height: 29.40 mm




  • Ring Type: Single Ring




  • Clips P/N: CW12




  • Pin P/N: WP091




  • Ring Set P/N: RSB4900





Cross-Reference OEM Part Numbers





  • Part No. 56-W9919.200.WO




  • Wossner Piston 8269D200





Vehicle Fitments





  • Yamaha MX80 1980–1982




  • Yamaha TY80 1974–1975




  • Yamaha YZ80 1974–1975




  • Yamaha GT1 1973–1975

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