1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 116Get this manual
FUEL SYSTEMCARBU RETION Carburetor DisassemblyllnspectionKei hin 29Note position of mainmid-range (where applicable), and slow jets in jet blockRemoval is not necessary for cleaning Inspect each jet for residue, varnish, or corrosionReplace jets if build up of varnish, residue, or corrosion is presentNOTE: Even small amount of residue will reduce the flow characteristics of the jetBe sure jet is thoroughly cleaned or replace if corroded or questionable
NOTE: Main jet is located on the other side of the jet block on some modelsNote position of jets for reassembly
30Note position of limiter caps on high (if applicable) and low speed mixture screwsCarefully remove the caps (pull off)Turn each mixture screw in (clockwise) while counting the exact number of turns until lightly seated Record the number for future referenceRemove high speed and low speed mixture screws, springswastlers, and O-ringsCarefully inspect the tip of each needle for wear or damageReplace if necessary