2000 Polaris Indy 500 / 600 snowmobile service manual, Page 142Get this manual
FUEL SYSTEMCARBURETION Mikuni VM Carburetor Service Carburetor Disassembly and Inspection
7Remove water trap assembly from float bowl and inspect O-ring, hose and clamp conditionRefer to exploded view corresponding with carburetor being serviced8Inspect enricher (choke) fuel supply passage in bowl for obstruction
Choke Passages
9Use an automatic center punch to remove float arm pinRemove inlet needle and seat assembly