Wossner Piston Kit

• Includes (1) Wossner piston, (2) piston rings, (1) wrist pin and (2) circlips
• Wosser high performance pistons are precision forged and CNC machined with lightening pockets for optimal performance
• Each piston comes with break in coating applied (black or red)
• Replaces OEM part #'s: 1RX-11631-00-94, 1RX-11635-00-00, 1RX-11636-00-00, 38W-11631-01-94, 38W-11635-01-00, 38W-11636-01-00, 38W-11631-01-94
• Located inside the cylinder
• (1) piston kit required
• Sold as a kit
• Factory piston size is 68mm
*Wrist pin bearing sold separately
• Fits: Yamaha Tri-Z YTZ250 (1985-1986)