2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 159Get this manual
FUEL SYSTEMCARBURETION
BST 34 CARBURETOR EXPLODED VIEW
1Carburetor Assembly 2Screw 3Throttle Valve 4Cover, Diaphragm 5Jet Block Assembly 6Spring 7Diaphragm Assembly 8Ring 9"E" Ring 10Ring 11Needle Jet 12Cover 13O-Ring 14Throttle Shaft Assembly 15Ring 16Seal 17Spring 18Packing 19"E" Ring 20Cap 21Screw 22Drain Screw 23O-Ring 24Washer 25Adjuster 26Spring 27Pilot Jet 28Main Jet 29Washer 30Jet Needle 31Float Assembly 32Float Body Assembly 33Float Pin 34Needle Valve 35O-Ring 36O-Ring 37Filter 38Screw