2002 Gilera Coguar "causes rear brakes lights stay" Questions

Hi, My brake light on my Gilera cougar seems to be constantly on. I've only just bought the bike so not sure if it turns off when riding and stays on when parked. Possibly the front switch on the ...

...stay on. Usually rear brake light switch issues are caused by no brake pedal free play or a sticky rear master cylinder piston. A brake light that does not come on when the rear brake pedal is ...