2002 Polaris Freedom, Virage, Genesis PWC Service Manual, Page 175Get this manual

2002 Polaris Freedom, Virage, Genesis PWC Service Manual, Page 175

FuelExhaust Fuel Pump Operation The pump supplies fuel to carburetorsOn three cylinder models two fuel pumps supply fuel
check valve to close so fuel cannot return from the carburetorSee Ill1Ill1 Piston on upstroke Negative (low) crankcase pressure
Inlet check valve open Outlet check valve closed Fuel return to tank Diaphragm When the piston is on its downstroke, the
pressure from the crankcase becomes positive causing the diaphragm to move in the opposite direction, reversing the pressure
in the pump chamberThis causes the inlet check valve to close and the outlet valve to open, delivering pressurized fuel to