1989 Ski-Doo Repair Manual, Page 51Get this manual
Section 02 ENGINE SUb-section 01 (247 ENGINE TYPE)
37, Centrifugal lever spring
At assembly, apply small amount of low temperature grease (P IN 413 7061 00) into spring seating
13,21,33,50, Loctite 242, air deflector screw, magneto ring screwjunction box screwAt assembly of air deflector, magneto and junction box, apply Loctite 242 on screw threads
13,14, Loctite 242magneto housing nut