1982 Ski-Doo Shop Manual, Page 63Get this manual
SECTION 02 ENGINE SUB-SECTION 04 (454 ENGINE TYPE)
Because of cap
nuts, cylinder head studs have to be screwed into the cylinder so that they do not protrude by more than 43 mm (1.700")If it is not possible to obtain this length, add washer between cylinder head and cap nutShorter threaded part of stud should be screwed into cylinder
(2) CD G) Prior to washer installation, apply silicone sealant