2003 Ski-Doo REV Series Factory Shop Manual, Page 154Get this manual
Section 04 ENGINE Subsection 08 (CARBURETOR AND FUEL PUMP)
Pay also attention not to mix jetsRefer to the following table for the proper inner diameter sizeRefer to the illustration above for the jet locationMODEL MX 600 HO SportX MX 800 HO SportX INSIDE DIAMETER mm (in) VENT JET 1.2 (.047) LEAN JET 2.0 (.079)
Prior to installing cap no 19, ensure O-ring is in good conditionTo install cap, firmly push until tabs click and lock on both sides in DPM
DPM MANIFOLD TESTING
Visual Inspection
With DPM manifold removed from vehicle and all hoses disconnected from DPM manifold, inspect for any broken fittings or missing dust capsIf any part is broken, replace DPM manifold and do not proceed with leak test procedureIf any part is missing, order necessary part as listed in parts catalog, replace, then perform leak test procedureIf there is no apparent breakage or missing part on DPM manifold, perform the following leak test procedure