Sym RS-50 Service Manual page 68

Install movable drive face assembly onto
crankshaft.
Drive Face Installation
Press drive belt into pulley groove, and then pull
the belt on to crank shaft.
Install drive face, washer and nut.
Caution
Make sure that two sides of drive face have
to be free of grease. Clean it with cleaning
solvent.
Hold flywheel with universal holder.
Tighten nut to specified torque.
Torque value: 3.5-4.0kgf-m
Install left crankcase cover.
This chapter Contents
7. "V" TYPE BELT DRIVE SYSTEM/KICK-STARTER
Drive face boss
Crankshaft
Flywheel
Drive belt
Press down
Universal holder
Drive face
Movable drive face
Nut
7-9