Yamaha IT250 1978-1980 Piston Kit

56-w234

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

More details

STD Bore

More info

Piston kit 70mm Bore 69.94 Wossner 8179DA (STD)

YAMAHA
YZ250 1976 - 1979,,,
IT250 1978 - 1980,,,
TY250 1974 - 1978,,,
MC250 1973-1975,,,
DT250 1974 - 1979,,,

  • 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-W234+000.WO (oro2u.com)
Wossner Piston Yamaha YZ250 70 mm Bore (PN# 8179DA)
Lock P/N CW18
Pin P/N WP033
Ring Set P/N RSB7000 x 2

Display (cm3) 246
Hub stroke (mm) 64.00
Clearance (mm) 0.06
Wossner compression Ratio: 2 Stroke
OEM Compression ratio: 2 Stroke
Dome volume (cm3)
Compression height (mm) 33.00
Theorectical weight (G)

Cross reference numbers ONLY.
2K7-11637-01-00, 234M07000