Description:

Replaces OEM Part Numbers: Yamaha 21W-11111-00-00, 1W7-11181-00-00,4AW-11351-00-00, 3E5-11631-00-97, 14N-11603-00-00, 93450-13022-00,93310-11268-00, 527-11633-00-00,18E-11311-00-00. Compatible with the 1983-2006 Yamaha PW80, 1986-1990 Yamaha BW80 Motorcycles. Includes Cylinder, Cylinder Head, Piston Kit, Gasket Kit and NGK Spark-Plug. The Standard Cylinder has a 47.00mm Bore and 45.60mm Stroke. The Cylinder Displacement is 79cc and has as 6.6:1 Compression Ratio; Cylinder Material: Steel; Cylinder Sleeve Coating: None.