Bombardier SeaDoo 2000 factory shop manual volume 1, Page 145Get this manual
Section 04 ENGINE Subsection 07 (ROTARY VALVE)
For closing mark, first align 360 line of degree wheel with TOP of MAG side inlet portThen, find 65 line on outer scale of degree wheel and mark crankcase at this point65
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CLOSING MARK StepTop of MAG inlet portAlign 360 line of degree wheel StepFind 65 on outer scale of degree wheel and mark here