1978 Ski-Doo Shop Manual, Page 120Get this manual
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SECTION 04 SUB-SECTION 02 (ENGINES)
Engine mount nuts
DISASSEMBLYASSEMBLY
Torque to 31 Nom (23 ft-lbslApply "Loctite Lock'n Seal 242" on threadsTorque to 35 Nom (26 ft-lbs)Tor