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13. REAR WHEEL/SWING ARM/
HYDRAULIC BRAKE Mongoose/KXR 90/50
Brake Drum Cover
Inspect the driven sprocket.
Replace sprocket if more than 1/4 teeth
wear or bent teeth.
Replace it if the brake disk is cracks or
damage.
Replace it if splines of the brake disk is
wear or damage.
Splines
Inspect rear axle hub. Oil Seal Distance Collar
Replace it if bearing allow play in the axle
hub or the bearing turns roughly.
Replace it if oil seal is wear or damage.
Replace it if rear axle hub is cracks, bend or
damage.
Bearing and oil seal replacement steps:
Clean the outside of the rear axle.
Remove the oil seal by a flat-head screw
driver.
Bearings Oil Seal
Place a wood block against the outer
edge to protect this edge.
Remove the bearing by a general bearing
puller.
Install the new bearings and oil seal by
reversing the previous steps.
Do not strike the center race or balls of
the bearing.
Contact should be made only with the
outer race.
13-8