2005 Ski-Doo REV Series Shop Manual, Page 87Get this manual
Section 03 ENGINES Subsection 03 (ENGINE REMOVAL AND INSTALLATION)
A33C2AA
A33C28A
Unplug heather carburetor hose from coolant reservoirUnscrew oil injection reservoir then separate coolant reservoirOn left side of vehicle, do the following: Remove: LH side panel tool box belt guard belt drive drive pulley (refer to DRIVE PULLEY) air intake silencer (unplug ATS (Air Temperature Sensor) connector)NOTE: On SDI models, unplug APS (Air Pressure Sensor) and ATS (Air Temperature Sensor) connectorsUnplug coolant hose between engine and carburetor or throttle body