1989 Ski-Doo Repair Manual, Page 154Get this manual

1989 Ski-Doo Repair Manual, Page 154

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Section 02 ENGINE Sub-section 06 (536 ENGINE TYPE)
A016 002 019

5,19,20, Upper crankcase, Loctite 515lower crankcase 6,15, Seal
At seal assembly, apply light coat of lithium g