2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 139Get this manual

2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 139

FUELEXHAUST SYSTEMS Mixture Screw Inspection and Adjustment Carburetor mixture screws pre-adjusted at the factory and usually
good condition (no air leaks present)S Check engine compression (see engine section)S Verify proper fuel flow (i.efuel flow
through shut off valve passages, tank, lines, and filters)S Synchronize carburetors; inspect throttle plates (butterfly)
for damageNOTE: The idle should be set to specification prior to adjusting the mixture screw(s)1Locate the lowspeed mixture
screw(s)carburetor will have screwEach 2Turn screw clockwise until screw is lightly seatedCAUTION: Do not overtighten screw
in boreDamage to needle tip will occur3Back screw out counterclockwise as specified in beginning of chapterIDLE SCREW LOW