2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 145Get this manual
CARBURETORSPORTSMAN 500 CARBURETION
BST 40 Carburetor Exploded View of 2
Table 4-1: Carburetor Components
REFERENCE
A Jet Needle Diaphragm Assembly Needle Jet Jet Block Assembly Washer Main jet Cover Spring