1982 Ski-Doo Shop Manual, Page 74Get this manual
SECTION 02 ENGINE SUB-SECTION 04 (454 ENGINE TYPE)
ROTARY VALVE, COOLANT PUMP AND RESERVOIR
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Rotary valve cover Bolt MB 20 (B) Lockwasher mm (4) "0" ring Rotary valve eirclip Rotary valve shaft Seal Bearing Shim 0.5 mm "Loctite 271" Distance sleeve 24.5 mm Shim 0.5 mm "0ring Gear Spring Spring retaining cup