Honda MSX125SF 2017 Owner's Manual page 61

Brakes u Adjusting the Brakelight Switch
Adjusting the Brakelight
Switch
Check the operation of the brakelight switch.
Hold the brakelight switch and turn the
adjusting nut in the direction A if the switch
operates too late, or turn the nut in the
direction B if the switch operates too soon.
Brakelight switch
A
B
Adjusting nut
56