2002 Bombardier Quest 650XT Service Manual, Page 239Get this manual
Section 06 DRIVE TRAIN Subsection 03 (REAR AXLE)
Measure distance between mount surface and the top of ring gearThis is measure "B"
V04H08A
TYPICAL
V04H06A
TYPICAL
Subtract measure "B" from measure "A"Note this result "C"A-B=C Remove ring gear then install pinion gear into housingMeasure distance between mounting surface and the pinion shim surfaceThis is measure "D"