This Yamaha 66E-21426-10-8S BRACKET, REAR UPPER 2 fits:
Yamaha WaveRunner 2000 GP800 - GP800Y CYLINDER CRANKCASE 1
Yamaha WaveRunner 1999 WAVE RUNNER GP800 - GP800X CYLINDER CRANKCASE 1
Yamaha WaveRunner 2000 WAVERUNNER (Metallic Marine Silver) - XL800Y CYLINDER CRANKCASE 1
Yamaha WaveRunner 2000 XL800 - XA800Y CYLINDER CRANKCASE 1
Yamaha WaveRunner 2001 XL800 - XA800Z CYLINDER CRANKCASE 1
Yamaha WaveRunner 2002 XLT800 - XA800AA CYLINDER CRANKCASE 1
Yamaha WaveRunner 2002 GP800R - GP800AA CYLINDER CRANKCASE 1
Yamaha WaveRunner 2001 GP800R - GP800AZ CYLINDER CRANKCASE 1
Yamaha WaveRunner 2003 GP800R - GP800AB CYLINDER CRANKCASE 1
Yamaha WaveRunner 2003 XLT800 - XA800AB CYLINDER CRANKCASE 1
Yamaha WaveRunner 2004 XLT800 - XA800AC CYLINDER CRANKCASE 1
Yamaha WaveRunner 2004 GP800R - GP800AC CYLINDER CRANKCASE 1
Yamaha WaveRunner 2005 WaveRunner GP800R - GP800AD CYLINDER CRANKCASE 1