1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 197Get this manual

1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 197

FINAL DRIVEJET PUMPBILGE SYSTEM VentilationCavitation Diagnostics If watercraft exhibits poor performance, high engine RPM
fuel screws out (counterclockwise) 12 turnand operate the craftRemove intake grate and look for exhaust trail (black smoke
path) in the area around the scoopRemove intake scoop and re-seal with complete bead of Marine Grade silicone sealantRefer
to illustration below for critical sealing points in the pump areaReinstall pump, ride plate, and intake grate and set high
speed screws back to original position 2Ride plate- The ride plate must be completely sealed in the area around the intake
scoop, and also in the area where the hull meets the pump cavity 3Drive shaft bearing housing or through hull fittingIf the
drive shaft bearing carrier seals are worn or damaged, air may be drawn into the pump from the engine compartmentAlso inspect
the through-hull fittingThe entire circumference of the fitting must be sealed to prevent water from entering the hulland
air from entering the pumpRefer to Chapter for through hull filling repair 4Incorrectly mounted pump (pump sealing O-ring