2002 Bombardier Quest 650XT Service Manual, Page 78Get this manual
Section 03 ENGINE Subsection 05 (COOLING SYSTEM)
R610motr35A
1Water pump shaft with rotary seal
R610motr37A
Inspection
Inspect water pump gear for wear and damage on the snap mechanism to the needle pinReplace if damagedWater pump shaft with rotary seal must rotate freelyOtherwise, replace itNOTE: When removing water pump shaft, always replace togheter retaining ring, oil seal, water pump shaft with rotary seal with new parts