Sym HD 125 Service Manual page 179

Wheel
Place the wheel on to a rotation seat to check its
rim wobbling.
Turn the wheel with hand and measure its rim
wobbling value with a dial gauge.
Service limit:
Radial: 2.0 mm (0.08 in)
Axial: 2.0 mm (0.08 in)
Disassembly
Remove 5 bolts and brake disk.
Remove dust seal, bearing and dist collar from left
side.
Remove dust seal, bearing and retainer hear box
from right side.
Special tools:
Inner bearing puller (SYM-6204020)
Assembly
Fill out the block of bearing by grease.
Drive the left bearing, dust seal and install the dist.
collar.
Install the right side bearing.
Caution
Carefully install the bearing in correct and
evenly.
Bearing outer face should be faced up as
bearing installation.
Install the brake disk and then tighten the bolts
Torque value: 4.5kgf-m
Install right side dust seal.
Lubricate the retainer with grease and install into
the wheel hub.
Align the flange part on the speedometer gear with
the slot of wheel hub.
Caution
Contaminated brake lining will reduce brake
performance so the brake lining, brake drum
and disc must be free of grease.
Apply with grease onto the left side dust seal.
Install the dust seal and side collar.
To this chapter contents
15. STEERING / FRONT WHEEL / FRONT CUSHION
Speedometer gear box
Dust seal
Retainer hear box
Bearing
Dist collar
Dust seal
15-6