Sym GTS 250 Service Manual page 104

With 4~5g grease spreads wipes drives in the
movable drive face axis hole.
Install drive face boss.
Caution
The movable drive face surface has to be free
of grease. Clean it with cleaning solvent.
Install movable drive face comp. onto crankshaft.
Driven pulley installation
Press drive belt into pulley groove, and then pull
the belt onto drive shaft.
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.
Hold drives face with universal holder.
Tighten nut to specified torque.
Torque value: 8.5~10.5kgf-m
Install left crankcase cover.
To this chapter contents
Movable drive face
Crank shaft
8. V-Belt Driving System
Drive face boss
Press down
Drive belt
Drive face boss
8-9