Yamaha YZ80 1982-1983 Piston Kit

New product

  • Wossner forged pistons are superior in strength and design.
  • Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.
  • Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.
  • Made in Germany

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Piston kit 47mm Bore 46.95 Wossner 8185DA (STD)

YAMAHA
YZ80 1982 - 1983,,,

  • Wossner forged pistons are superior in strength and design.
  • Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.
  • Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.
  • Made in Germany

Part No. 56-W477+000.WO (oro2u.com) Wossner Piston Kit 8185DA Piston Size: 46.95mm
Lock P/N CW12
Pin P/N WP091
Ring Set P/N RSB4700

Display (cm3) 79
Hub stroke (mm) 55.50
Clearance (mm) 0.05
Wossner compression Ratio: OEM
OEM Compression ratio: 11.10:1
Dome volume (cm3) -0.20
Compression height (mm) 22.80
Theorectical weight (G)

Cross reference numbers ONLY.
3R1-11630-02-00,