Bombardier SeaDoo 2001 factory shop manual, Page 153Get this manual
Section 04 ENGINE Subsection 06 (BOTTOM END)
Reinstall counterweights no16 using press and take care to align index marks previously traced
Crankshaft and Counterbalance Shaft
787 RFI and 947 Engines Install crankshaft no3 first in crankcaseAfter crankshaft installation, install counterbalance shaft no13Make sure to properly index crankshaft and counterbalance shaft by aligning marks of gearsCAUTION: Marks on the crankshaft and counterbalance shaft must be aligned, otherwise engine will vibrate and premature wear will occur
Turn by hand the crankshaft and counterbalance shaftMake sure they do not interfere with the crankcase947 Engines Properly position bearing no31 and washer no32Ensure to position lubrication hole on top (if so equipped)