1997 Ski-Doo Factory Shop Manual Volume Two, Page 205Get this manual
Section 05 ELECTRICAL Sub-Section 05 (BATTERY)
BATTERY
REMOVAL
All Models WARNING
Battery BLACK negative cable must always be disconnected first and connected last
WARNING
Never charge or boost battery while installed on vehicle
S-Series Remove air silencerUnfasten retaining stripsOpen strips and lift battery protective bootRemove vent tube