1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 112Get this manual
FUEL SYSTEMCARBURETION Carburetor DisassemblyInspectionKeihin Carburetor DisassemblyInspection
14Remove accelerator applicable)pump cover (where
NOTE: The cover is under spring tensionSupport during removal15Inspect passage sealing a-ring and replace if worn or damagedThe flat surface of the a-ring faces the pump body (away from cover)
16Remove accelerator pump components including spring, diaphragm, dust boot, and a-ring