1986 Ski-Doo Factory Shop Manual, Page 67Get this manual
Section 02 ENGINE Sub-section 03 (377 ENGINE TYPE)
To minimize the effect of acce!.eration forces on circllp, install each cirellp so the cirellp break is at o'clock as illustratedRemove any bUfrs on piston caused through cirellp instal-
1,2, Nutsdistance nuts
Position nuts and distance nuls as illustrated
lation using very fine emery cloth
Exhaust
PistonHnotch
Distance nuts
Circlip break
CAUTION: Circlips must not move freely in the groove after installationIf so, repl.ace them
Cross torque cylinder head nuts to 23 N-m (17 Ibf-Ul torque each cylinder head individually,
6, Damper
Position noise damper as shown below