2007-2009 Suzuki LTZ90 factory service manual, Page 88Get this manual
DRIVE SHAFT INSPECTION Inspect the drive shaft for wear or damageIf any defects are found, replace it with new one
FINAL DRIVEN GEAR AND IDLE GEAR INSPECTION Inspect the final driven gear and idle gear for wear or damageIf any defects are found, replace the drive shaft gear and idle gear with new ones
FINAL REDUCTION GEAR BOX INSPECTION AND DISASSEMBLY Rotate the bearing inner race by finger to inspect for abnormal play, noise and smooth rotation while the bearings are in the those casesReplace the bearing in the following procedure if there is anything unusual