1985 Ski-Doo snowmobile Service Manual, Page 251Get this manual
Section 03
TRANSMISSION
(DRIVE PULLEY)
Sub-section 03
ROLLER SQUARE SHAFT WITH DURALON BUSHING
Skandic 377R, Safari 377447 Safari Grand Luxe Le, Formula SS-SP Mirage III
14 N.m 10 Ibl.ftl
6 N.m 153 In.lbsl