1999 Ski-Doo Factory Shop Manual Volume Three, Page 99Get this manual
Subsection 02
Section 04 ENGINE (599, 699 AND 809 ENGINE TYPES)
REMOVAL FROM VEHICLE
Open hood and close fuel shut-off valveDrain engine coolantRemove or unplug the following then lift off engine from engine compartmentNOTE: 3-cylinder engine is more heavy then cylinder engineIt weights about 45 kg (100 Ib)Use of hoist is recommended guard air silencer drive belt driven pulley speedometer cable from angle drive rewind starter handle drive pulley (not necessary if engine has not to be disassemble) hood, refer to 09-02 BODY carburetors impulse hose and high tension coil connector housing