2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 263Get this manual
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Section 04 FUEL SYSTEM Subsection 02 (TM CARBURETORS)
7 Unscrew throttle slide cover screws no13
1 Clrclip
8 Open throttle 34 wide and keep that opening
Carbureto