2007-2009 Kawasaki KFX50 service manual, Page 228Get this manual
16STARTING SYSTEM Check the dust seal for wear or damage
Dust Seal ASSEMBLY Apply grease to the dust seal in the front coverInstall the brushes onto the brush holdersApply thin coat of grease to the end of the armature shaftInsert the commutator into the front cover while the brushes are holding by clips as shownBe careful not to damage the brush and armature shaft mating surfacesWhen installing the commutator, the armature shaft should not damage the dust seal lipFront Cover Install new O-ring to the front coverInstall the starter motor case, aligning the mark on the motor case with the groove on the front coverTighten the starter motor case screwsWhen assembling the front cover and motor case, slightly press down the armature shaft to assemble themClips O-ring Brushes