Bombardier SeaDoo 2001 factory shop manual, Page 147Get this manual
Section 04 ENGINE Subsection 06 (BOTTOM END)
Crankshaft Alignment at Connecting Rod Journal
Counterweights can also be twisted on connecting rod journal on any or both cylinder(s)
Connecting Rod Straightness Align steel ruler on edge of small end connecting rod boreCheck if ruler is perfectly aligned with edge of big endF01D1Q F01D1NB
1Connecting rod journal alignment here
1Ruler must be aligned with edge of connecting rod here 2Align ruler here
Such misalignment may cause crankshaft hard to be manually turnedVerification can be done by measuring deflection each end of crankshaftIf deflection is found greater than specified tolerance, this indicates worn bearing(s), bent andor disaligned crankshaftProceed with the disassembly of the engine
Crankshaft Deflection All Models
MEASUREMENT Crankshaft deflection (max MAG SIDE 0.050 mm (.002 in) PTO SIDE 0.030 mm (.001 in)
Disassembled Engine
The following verifications can be performed with the engine disassembled