1982 Ski-Doo Shop Manual, Page 55Get this manual
SECTION 02 ENGINE "'SUB-SECTION 03 (377 ENGINE TYPE)
CLEANING
Clean all metal components in non-ferrous metal cleaner
DISASSEMBLY AND ASSEMBLY
To remove or install fan pulley retaining nut, lock fan pulley with special holder wrench PIN 420876357At assembly, torque nut to 65 N.m (48 ft-Ibsl
Holder wrench