2002 Bombardier Quest 650XT Service Manual, Page 137Get this manual
Section 03 ENGINE Subsection 10 (GEARBOX)
R610motr159A
POSITION FOR BIG FLAT SCREWDRIVER
R610motr160A
CAUTION: Do not lose the O-ring no49 for oil circulation during lifting of crankcase half
Inspection
NOTE: To check some parts, it is recommended to remove all components in both crankcase housingClean crankcase from contaminations and blow the oil supply lines with compressed air
1Plain bearing 2Oil bore ABushing inside diameter to be measured in area of radial oil bore