1997 Ski-Doo Factory Shop Manual Volume Two, Page 117Get this manual
Section 03 ENGINE Sub-Section 09 (ROTARY VALVE, COOLANT PUMP AND RESERVOIR)
' with engine in vehicleRefer to ENGINE DIMENSION MEASUREMENT 03-04GENERAL
NOTE: Some verifications can be performed
Engine must be removed from vehicle to work on rotary valve shaftcomponentsRefer to Removal and installation of appropriate engine for proceduresBottom end must be opened to remove rotary valve shaftA16C0NA
420 8766 12
CLEANING
Discard all seals and O-ringsClean all metal components in non-ferrous metal cleaner-
CAUTION
To prevent damage to the end of the rotary valve shaft, use pusher (PN 420 8766 12)
DISASSEMBLY
1,2, Screw and Rotary Valve Cover