Sym GTS 250 Service Manual page 185

Lubricate the top cone race seat with grease.
Screw the cone race in to top ball bearing seat till
touching, and then screw out the cane race
1/4~3/8 turns.
Torque value: 0.25kgf-m
Caution
Check the steering stem that should be
rotated freely and no clearance in vertical
direction.
Install the steering stem mounting nut and tighten
the nut by means of holding the top cone race
body.
Torque value: 1.0~2.0kgf-m
Install in reverse order of removal procedures.
To this chapter contents
15. Steering / Front Wheel / Front Cushion
Steering lock nut
Top cone-race
Return 1/2 turns
Locking to
1/4~3/8 turns
15-10