2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 122Get this manual
Engine Removal and Installation ENGINE REMOVAL AND INSTALLATION
Before You Begin
The following procedures andor components can be performed or removed with the engine installed in the chassis: Engine OilFilter Change Engine Coolant Change Valve Lash Adjustment Exhaust System Charge Air Cooler (Intercooler)Charge Air PipeFST Models AlternatorAlternator Belt Cooling System Radiator Engine Oil Cooler Air Intake Box (Air FilterFST Models) Oil Storage Tank Chaincase AssemblyReverse System All Engine Management Sensors (Excluding: Crank Position, Knock, and Coolant Temperature Sensors) Intake ManifoldThrottle Body Assembly Chassis Wiring Harness (Located Underneath Engine) Oil Supply Hose (Storage Tank-to-Engine) Coolant Hose (Water Outlet Manifold-to-Oil Cooler (Bypass Route)) The following procedures andor components can be performed or removed with the engine suspended inside the engine compartment or completely removed from the chassis using lifting hoist: Crank Position, Knock, and Coolant Temperature Sensors Oil Separator Drain Hose Starter Motor Rubber Engine Mounts BulkheadEngine Mount Support Plates Steering Linkage (Tie Rods, Pitman Arms, etc NOTE: The use of an overhead or portable engine lifting hoist is the only recommend method for removing and installing the engine assemblyThe hoist must be capable of lifting minimum of 200 lbs(91 Kg Have an assistant (other than hoist operator) help guide the engine in and out of the engine compartment when using the lifting hoist4Slowly lift the hoist just enough to support the weight of the engine