Sym Mio 50 Service Manual page 104

Apply with some grease to inside of drive face
boss hole, and install drive face boss.
Caution
The drive face surface has to be free of
grease. Clean it with cleaning solvent.
Install movable drive face assembly onto
crankshaft.
Movable Drive Face Installation
Press drive belt into movable drive face, and then
press down the up & down sides of the drive belt
to separate it away from the drive face boss.
Caution
To press down the up & down sides of the
drive belt can avoid to pressing and
damaging the belt when installing the drive
face, and also can make sure that the drive
face can be tighten.
Install drive face, washer and nut.
Caution
Make sure that two sides of pulley surfaces
have to be free of grease. Clean it with
cleaning solvent.
Holds drives face with universal fixture.
Tighten nut to specified torque.
Torque value: 5.0~6.0kgf-m
Install left crankcase cover.
To this chapter contents
8. V-Belt Drive System / Kick Starter
Drive face surface
Drive face boss
Crankshaft
Movable drive face
Press down
Drive belt
Universal fixture
8-9