1972 Ski-Doo Shop Manual, Page 80Get this manual
GEAR BOX
5Pry the inspection cover from gear box
REMOVAL
(All Alpine and Val mont Models)
1Remove cab, pulley guard, drive belt and muffler from vehicle
6Remove the drive chain tensioner capscrew and washerRotate tensioner plate to obtain maximum chain slackness7Using link plate spring lever, unhook link
plate springsInsert pry bar between structural members of center(s) bogie wheel set and pry set upward to reversed installation position (fig1-13-3)Reverse front then rear bogie wheel sets