1985 Ski-Doo snowmobile Service Manual, Page 246Get this manual
Section 03 TRANSMISSION Sub-section 03 (DRIVE PULLEY)
12,13,14,15, Counterweight ass'y
Apply Loctite 242 or equivalent on threads then torque nuts to 14 N.m (10 Ibf.ftl
9,10, Bearing
To assemble bearing on Inner half, press on beanng Inner race with suitable pusher
INSTALLATION
11, Shim (alignment)
This shim is used to obtain correct pulley alignment, refer to section 03-05
10, Inner half
To install the inner half, lock crankshaft in position as explained in removal procedure Make sure crankshaft is rotated 45 counterclockwise from T.D.C position and that cylinder is completely filled with starter rope Clean crankshaft extension and apply anti-seize on the unthreaded portion and Loctite 242 or equivalent on threads, (as illustrated) then install inner half on extensionAnti-seize
NOTE: Brass bushing only