PISTON KIT 83-87 YZ250 68.00 WOSSNER 8133DA YAMAHA MX 39X-11630-00-00
PISTON KIT 68MM BORE 67.94 WOSSNER 8133DA (STD)
YAMAHAYZ250 1983 – 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-W560+000.WO (ORO2U.COM)WOSSNER PISTON YAMAHA YZ250 68 MM BORE (PN# 8133DA)LOCK P/N CW18PIN P/N WP033RING SET P/N RSB6800 X 2ROD P/N P2048 1983 – 1989 MODELS
DISPLAY (CM3) 246HUB STROKE (MM) 68.00CLEARANCE (MM) 0.06WOSSNER COMPRESSION RATIO: 2 STROKEOEM COMPRESSION RATIO: 2 STROKEDOME VOLUME (CM3)COMPRESSION HEIGHT (MM) 36.00THEORECTICAL WEIGHT (G)
CROSS REFERENCE NUMBERS ONLY.39X-11630-00-00, 560M06800,
