Bombardier SeaDoo 1996 factory shop manual, Page 71Get this manual
Section 04 ENGINE Sub-Section 03 (BOTTOM END)
CRANKSHAFT MISALIGNMENT AND DEFLECTION
Since it is an assembled crankshaft it can become misaligned or deflectedCrankshaft can be twisted on center main journal, changing timing of one cylinder in relation with the other
Remove spark plugs Insert screwdriver in one spark plug hole Insert longer screwdriver in the other spark plug hole Lay one hand over both screwdriver handles to feel piston displacements With the other hand, slowly rotate engine by PTO flywheel1
F01D1NA
1Main journal alignment here
Counterweights can also be twisted on connecting rod journal on any or both cylinder(s)
F01D1IA