Suzuki GSF650S Service Manual page 256

NOTE:
Before reinstalling the slip ring side bearing onto the generator
end housing, turn the expander ring and align the expander ring
lug with the center of the chamfered edge of the bearing outer
race.
• Tighten the generator housing nuts 1 to the specified torque.
( Generator housing nut: 4.5 N·m (0.45 kgf-m)
• Tighten the generator driven gear nut to the specified torque.
( Generator driven gear nut: 55 N·m (5.5 kgf-m)
NOTE:
After tightening the generator driven gear nut to the specified
torque, stake the nut using a punch.
• Tighten the generator mounting bolts to the specified torque.
( Generator mounting bolt: 26 N·m (2.6 kgf-m)
• Route the wire harness properly. (!7-14)
• Remount the engine sprocket cover. (!3-9)
ELECTRICAL SYSTEM
Expander ring lug
Chamfered edge
6-19