4.6
CARBURATION AND FUEL SYSTEM
© Copyright 2011 Polaris Sales Inc.
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
BST 40 Carburetor Exploded View 2 of 2
Table 4-2: Carburetor Components
REFERENCE DESCRIPTION REFERENCE DESCRIPTION
A Throttle Plate Shaft Retaining Components J Float Bowl O Ring
B Pilot Jet K Float Bowl
C Needle Valve Assembly L Float Bowl Drain Screw
D Throttle Plate M Throttle Shaft
E Idle RPM Speed Adjustment Screw N Throttle Shaft Return Spring
F Spring
G Needle Valve Retaining Plate
H Floats