Bombardier SeaDoo 1993 factory shop manual, Page 92Get this manual

Bombardier SeaDoo 1993 factory shop manual, Page 92

Section 03 ENGINE Sub-Section 06 (ROTARY VALVE AND RESERVOIR) NOTEDo not rotate the crankshaft -For closing mark, first align
piston at TDCNOTERotary valve is asymmetricalTherefore, try flipping it over then reinstall on splines to obtain best installation
positionApply SEA-DO0 injection oil on rotary valve before reassembling rotary valve cover-Remove TDC gauge 16,19, Rotary