2002 Bombardier Quest 650XT Service Manual, Page 136Get this manual
Section 03 ENGINE Subsection 10 (GEARBOX)
NOTE: Bevel gear axial clearance should be measured before crankcase housings separation
screws retaining crankcase housing21 1
R610motr156A R610motr157A
MEASURE AXIAL CLEARANCE OF BEVEL GEAR
Remove: cylinder head and cylinder timing chain drive and intermediate gear of water and oil pump