1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 129Get this manual
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IIMPELLER DUCT AND DRIVE SHAFT
SERVICE POINTS
Drive shaft removal
1Remove: Impeller
Drive shaft holder: YB-0604990890-06518
The impeller has left-hand threadsTurn the impeller clockwise to loosen it2Remove: Nut
Drive shaft holder: YB-0604990890-06518