2003-2006 Kawasaki KFX400 service manual, Page 69Get this manual
PERIODIC MAINTENANCE
DRIVE CHAIN
Inspect drive chain each time the motorcycle is riddenVisually check the drive chain for the possible defects listed below(Support the motorcycle by jack and wooden block, turn the rear wheel slowly by hand with the transmission shifted to NeutralLoose pinsExcessive wearDamaged rollersImproper chain adjustmentDry or rusted linksMissing O-ring sealsKinked or binding links NOTE: When replacing the drive chain, replace the drive chain and sprockets as set