Ships from our Texas Warehouse, Complete new 49cc top end. Cylinder Cylinder Head 4 Cylinder Studs and Nuts Piston 2x Piston Rings Top End Bearing Piston Pin 2x Circlips Spark Plug Head Gasket Base Gasket Free USPS Priority Shipping in the United States. We offer free no hassle returns and a 90 Day Parts Warranty. We stand behind our products. Replaces OEM Kawasaki 11211-04012-0F0 11111-04001 11141-04000 11241-04010 09482-00290 01500-0645B 08321-01067 09236-12023 12140-16B10 12110-43000 12151-04700 09381-12001 For the KFX50, the cylinder does not have the vacuum port near the intake that connects to the petcock. You can drill and top your own or just disconnect as it is not required.