KYMCO LA30AA, Service Manual

Page: 163 / 213

13
. REAR WHEEL/SWING ARM/
HYDRAULIC BRAKE
13-9
MX’er SYSTEM
Remove the drive chain.
Inspect the drive chain stiffness.
Clean and lubricate or replace if stiff.
Inspect the drive sprocket and the driven
sprocket.
Replace sprocket if more than 1/4 teeth wear
or bent teeth.
CLEAN
Place it in kerosene, and brush off as much dirt
as possible. Then remove the chain from the
kerosene and dry the chain.
Inspect rear axle hub.
Replace if bearings allow play in the axle hub or
the bearing turns roughly.
Replace if oil seals is wear or damage.
Replace if rear axle hub is cracks, bend or
damage.
Bearing and oil seal replacement steps:
Clean the outside of the rear axle.
This machine has a drive chain with small
rubber O-rings between the chain plates.
Steam cleaning, high-pressure washes,
and certain solvent can damage these
O-rings. Use only kerosene to clean the
drive chain.
*
O-ring