Honda CB650RA 2020 Owner's Manual page 93

Brakes Adjusting the Brake Light Switch
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Adjusting the Brake Light
Brake light switch
Switch
Adjusting nut
Check the operation of the brake light switch.
Hold the brake light switch and turn the
adjusting nut in the direction A if the switch
operates too late, or turn the nut in the
B A
direction B if the switch operates too soon.
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