SBT sells the motor on a rebuildable core exchange basis. Visit Program Description for further details. This is a Standard remanufactured Yamaha 1200 powervalve engine. It includes the cases, cylinders, powervalve assemblies,trued and welded Crankshaft, head, all new internal parts & a woodruff key and a 1-year no-fault warranty. Installation Gasket Kit required. Please call SBT for shipping rates