2005 Ski-Doo REV Series Shop Manual, Page 86Get this manual
Section 03 ENGINES Subsection 03 (ENGINE REMOVAL AND INSTALLATION)
REMOVAL FROM VEHICLE
Vehicle and Engine Preparation
Place vehicle at workstation that will have access to an engine-lifting hoistThen start with initial preparation of vehicle by doing the followingRemove windshieldRemove the RH side panelDisconnect BLACK (-) cable from battery, then the RED (+) cable
Unplug from the coolant reservoir the hose going to the engine
WARNING
Always disconnect battery or starter cables exactly in the specified order, BLACK (-) cable firstIt is recommended to disconnect electrical connections prior to disconnecting fuel linesA33C27A