Yamaha YZ80 1985-1987 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 48mm Bore 47.95 Wossner 8186DA (STD)

YAMAHA
YZ80 1985 - 1987,,,

  • 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-W520+000.WO (oro2u.com)
Wossner Piston Yamaha YZ80 48 mm Bore (PN# 8186DA)
Lock P/N CW12
Pin P/N WP091
Ring Set P/N RSB4800

Display (cm3) 82
Hub stroke (mm) 45.60
Clearance (mm) 0.05
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3)
Compression height (mm) 26.80
Theorectical weight (G)

Cross reference numbers ONLY.
58T-11631-01-94, 520M04800