1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 240Get this manual
FINAL DRIVEJET PUMPBILGE SYSTEM Pump Removal Modular jet pump design allows removal of many driveline and pump components without removal of the pump housing, which is sealed to the hullThe following items can be serviced with the pump housing installed in the watercraft:
Impeller (for clearance inspection), intake grate, ride plate, speedometer pitot fitting, steering nozzle, trim nozzle, reverse gate and linkage, pump extension housing, impeller, driveshaft, stub shaft and bearingsThe pump housing must be removed to service the following items:
Pump-to-hull O-rings, (bilge siphon fittings and main pump housing) and inlet scoopNOTE: The pump can be removed with the intake grate and ride plate installedHowever, if pump cavitation is suspected the intake grate, ride plate, and inlet scoop should be removed and re-sealed
Impeller Clearance
1Remove lanyard cord and lock plate from engine stop switchRemove seat and battery hold down strapsMove electrical box asideDisconnect battery ground cableRemove drive shaft coupler guardSee III1 and 2Front of Craft All except 1999 Pro 785 Front of Watercraft