Honda CB650R 2021 Owner's Manual page 54

Indicators
(Continued)
REV Indicator
• Comes on briefly when the ignition switch is turned to the (On) position.
Initial setting
REV indicator blinking fastest RPM: 12,500 r/min (rpm)
REV indicator blinking interval RPM: 250 r/min (rpm)
Blinking
Blinking fast
Blinking fastest
To set the shift up rev setting:
To set the shift width setting:
50
REV indicator
(P.38)
(P.40)
r/min (rpm)
12,000 r/min (rpm)
12,250 r/min (rpm)
12,500 r/min (rpm)