Bombardier SeaDoo 1989 factory shop manual, Page 56Get this manual
Sub-section 06
Section 03 ENGINE (ROTARY VALVERESERVOIR)
To remove rotary valve shaft, use Remover290 876 4871
6,7,CirclipSpring Holder Cup
If it is necessary to disassemble components of rotary valve shaft assembly, compress spring by holder cup to remove circlipCompress holder cup
Place puller over rotary valve shaft end and screw puller bolt into shaftWhile retaining bolt with wrench, turn puller nut CLOCKWISE until shaft comes outRemove circlip