Bombardier SeaDoo 1990 factory shop manual, Page 50Get this manual
Section 03 ENGINE Sub-section 05 (BOTTOM END)
DISASSEMBLY
Remove the following parts
- ignition housing and PTO flywheel on opposite side
Separating ignition housing armature plate from crankcase-
provided lugs
F 003 057 01
12,13,19,20, SealBearing
rotary valve cover and valve
- engine supportcrankcase retaining screws
NOTE: Do not needlessly remove crankshaft bearngs
Remove end sealsTo remove end bearings from crankshaft, use crankshaft end Protective Cap557) and Puller2981 On PTO side, use Ring290 977 490) with Ring Halves)