2004 Bombardier Quest/Traxter Series Shop Manual, Page 160Get this manual
Section 03 ENGINE QUEST Subsection 09 (CRANKSHAFTBALANCER SHAFT)
NOTE: It is not necessary to open plug screwThere is enough area to separate contamination from oil for the engine's life time crankshaft no1
R610motr71A
1Balancer gear 2Crankshaft timing gear
R610motr69A
1Crankshaft
Connecting Rod Big End Axial Play Using feeler gauge, measure distance between butting face of connecting rod and crankshaft counterweightIf the distance exceeds specified tolerance, replace the crankshaft2 1