Honda CB650RA Owner's Manual page 134

Brakes Adjusting the Brakelight Switch
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Adjusting the Brakelight Switch
Check the operation of the brakelight switch.
Pull up the lower part of rubber.
1.
Hold the brakelight switch and turn the
2.
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.
Move the rubber to its original position.
3.
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Brakelight switch
Rubber
Adjusting nut
B A