SBT sells the motor on a core exchange basis. Visit Program Description for further details.This is a Standard remanufactured Yamaha 1000 (FX140) engine. It includes the cases, crankshaft, head assembly, all new internal parts & a woodruff key and a 1-year no-fault warranty.Be sure to check if your flywheel gear is dimpled or slotted.Installation Gasket Kit required.Please call SBT for shipping rates