TM-P40-400 Yamaha 500 Premium Engine This is a Premium remanufactured Yamaha 500 engine. It includes the cases, cylinders, trued and welded Crankshaft, head, all new internal parts & a woodruff key. 2-year no-fault warranty. See below for all associated parts. Applications: 1988-1992 WaveRunner 1988-1990 WaveJammer 1992 Waverunner VXR Shipping price includes: old core exchange and return shipping of the NEW CORE.