1978 Ski-Doo Shop Manual, Page 228Get this manual

1978 Ski-Doo Shop Manual, Page 228

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SECTION 04 SUB-SECTION 04, (IGNITION TIMING)
CAUTION: When assembling magneto ring on crankshaft, clean crankshaft extension (cone) and threadApply Loctite 242 (no4137025) on cone and threadsTor