1982 Ski-Doo Shop Manual, Page 22Get this manual
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SECTION 02 ENGINE SUB-SECTION 01 (247 ENGINE TYPE)
35 N.m (26 ft-Ibs)
B970777273747576777B792027
Crankcase half (PTOside) Crankcase half (Mag side) Polyamid ring (2) Dowel tub