Honda CB650F 2018 Owner's Manual page 42

Storage Equipment
The helmet holder, the tool kit and helmet set wire
(in the tool kit) are located under the seat.
Tool kit
Helmet set wire
Helmet D-ring
38
Rubber strap
Helmet holder
Helmet set wire
Use the helmet holder only when parked.
u
#
Removing the Seat
WARNING
3
Riding with a helmet attached to the
holder can interfere with the rear wheel
or suspension and could cause a crash
in which you can be seriously hurt or
killed.
Use the helmet holder only while
parked. Do not ride with a helmet
secured by the holder.
(P.61)