2003 Polaris Deep Snow Snowmobiles Service Manual, Page 145Get this manual
FUEL SYSTEMCARBURETION Carburetor Disassembly and Inspection
6Remove water trap assembly from float bowl and inspect O-ring, hose and clamp conditionRefer to exploded view corresponding with carburetor being serviced7Inspect enricher (choke) fuel supply passage in bowl for obstruction
Choke Passages