2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 117Get this manual
Section 03 ENGINE Subsection 09 (CRANKSHAFTBALANCER SHAFT)
NOTE: The sealed ends of the cage must point outwards
RECENTER BALANCER SHAFT
NOTE: Only fit shim on clutch endPlace balancer shaft into left engine housing (clutch side)Do not install shim on clutch sideUsing depth gauge, measure distance between the top of balancer gear and housing jointThis is the dimension "B"
RECENTER CRANKSHAFT
NOTE: Only fit shim on clutch endOn magneto side, the washer is always 1.0 mm (.04 in)Place crankshaft into right engine housing (magneto side)Do not install shim on clutch sideUsing depth gauge, measure distance between crank web and housing jointThis is the dimension "B"
V02C3IA
V02C3GA
Determine dimension between compressed gasket in right engine housing (magneto side) and inner ring of bearingThis is the dimension "A"