2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 162Get this manual
FUEL SYSTEMCARBURETION
CARBURETOR DISASSEMBLYMIKUNI CV, CONT4Do not misplace the pilot mixture screw, spring, flat washer, or O-RingIf anti-tamper plug is installed in pilot screw cavity, refer to Maintenance chapter for removal procedureO-Ring Washer Spring
Pilot Screw
5NOTE: The starter jet is not removeable