1986 Ski-Doo Factory Shop Manual, Page 180Get this manual
Section 02 ENGINE Sub-section 08 (532 ENGINE TYPE)
NOTE: The rotary valve is asymmetrical, therefore at assembly try positioning each side of it on gear to determine best installationROTary valve
USing angle finder, mark crankcase at 132 from bottom edge of magneto side inlet port
cover marlt frldgel
Magneto side piston must be at T.D.C
Bottom 01 inlet port
"013002028
013002021
Installation on spare crankcase without mark (rldgeL
From top edge of magneto side Inlet port, mark crankcase at 52