Bombardier SeaDoo 1992 factory shop manual, Page 89Get this manual
Section 03 ENGINE Sub-Sectilon 06 (ROTARY VALVE AND RESERVOIR)
12,13, Rotary Valve Shaft Ass'y and Snap Ring
CAUTIOlNCrankcase halves must be separated and clrankshaft rnustnot be present install rotary valve shaft ass'y in crankcase
Identificaltion of the rotary valves
To install rotary valve shaft in crankcase, use pusher 290 876 605)
Push shaft until its stops on bearing seatRotary valve shaft ass'y
There is no identification code on the valveTo find out which is which, place an alngle finder on the valve alnd measure the valve cut-out angle or use the following templates