2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 107Get this manual
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FUEL SYSTEMCARBURETION Fuel Pump Maintenance
Fuel Pump Maintenance
The fuel pump does not require any specific scheduled maintenanceHowever, the following should be observed: Output: The pump output may be checked by removing the fuel supply line from the rear cylinder carburetor (PTO end) and placing it into containerWith the engine idling steady small stream of fuel should be observed Cleaning: The pump and impulse line must be disassembled and cleaned whenever water is present in fuel (beyond separator) or in the engine Impulse Diaphragm Inspection: Loosen clamp and remove impulse line from pump fitlingApply PSI pressure to impulse line fitlingThe diaphragm should hold pressure indefinitelyRemove and inspect the pump diaphragms if the impulse chamber does not hold pressureDisassemblyllnspection 1Remove fuel pump body screws (4) and carefully lift assembly from carburetorRemove gasket, diaphragm, and O-ringCarefully examine each for cracks, holes, distortion or fatigue (stretching)Replace if necessary3