Description:

Replaces Cylinder OEM for Yamaha 4J2-11311-01-00, 4J2-11311-00-00, 3L5-11311-01-00. Replaces Piston OEM for Yamaha 18U-11635-00-00, 18U-11636-00-00. Compatible with Yamaha PW50: 1990-2021. Includes Cylinder, Namura Piston, Gasket, and NGK Spark Plug. Cylinder Displacement of 49cc and 6.0:1 Compression; Cylinder Material: Steel; Cylinder Sleeve Coating: None.