1972 Ski-Doo Shop Manual, Page 135Get this manual

1972 Ski-Doo Shop Manual, Page 135

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SINGLE CYLINDER ENGINE (b) Position shims equally on P.T.Oand
magneto sides of crankshaft and push heated ball bearing on each side of crankshaft0 (c) Heat crankcase halves to 2500 -300 F(d) Usi