2003 Bombardier Outlander 400 Factory Service Manual, Page 203Get this manual
Section 04 FUEL SYSTEM Subsection 03 (CARBURETOR) Align carburetor notch with the flange recessIdle Speed Preliminary Adjustment Adjust throttle screw to 1-12 turn or so that throttle valve closes bypass hole by half, as shown in the next photo
V07F07A
TYPICAL
Install air filter boxV04F0LA
Carburetor Adjustments