BMW G 650 GS Sertao Rider's Manual page 64

Closing topcase
7
62
Close the lid of the topcase
and hold it down.
z
Push locking lever 2 fully down.
If applicable, lock topcase
lock 1.
Removing topcase
If applicable, unlock topcase
lock 1.
Push locking lever 2 down.
Pull the topcase back and clear
of the luggage carrier.
Installing topcase
Push the topcase with
guides 3 forward onto the
adapter plate until seated.