V4 Side Stand Switch, 639542

Fitment -  RSV4 09-24, Tuono V4 11-24

Genuine Aprilia side stand switch, part number 639542, item number 15 in the diagram.

These can be a common fault with starting and running issues due to their location, as they get covered in road and chain grime which causes them to fail meaning your bike won't run as it should.

Can be replaced very quickly allowing you to get out and ride.