Products PWC- YamahaBearing Back Bearing 93306-305U3 Item number: 93306-305U3 Fit on models: 1993 Yamaha Wave Runner -WR550 Crankshaft Piston Bearing You May Also Be Interested In Bearing 93306-205U1 Bearing 93310-525U3 Piston Kit 09-684 Gasket - Exhaust Pipe 66E-14623-00