1986 Ski-Doo Factory Shop Manual, Page 35Get this manual
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Section 02 ENGINE Sub-section 01 (247 ENGINE TYPE)
Crankcase haUPT,O, side)
Hexagonal cap screw M8 64 (crankcase with screws) (2)
1314IS16
6 Shim 0, 1,0.2,0,3,0,5