2005 Ski-Doo RT Series Shop Manual, Page 70Get this manual
Section 02 ENGINE Subsection 06 (E-RAVE SYSTEM)
E-RAVE VALVES
Removal
Remove the following: Cover no11Drive gears no7Housing no10
Inspection
Clean carbon deposits on partsCheck gears conditionA35C0OA
1Gears aligned
Installation
Reverse removal steps