BMW FS650 dakar - Bike just clicks when starter pressed

[Mr. Python]

Hi There,
I'm trying to help a buddy with a bike he just bought.
It worked fine for a few days but now it won't start
This is a video of the issue (Hopefully)
[youtube]https://youtu.be/-JxLaVytxLo[/youtube]

Any ideas as to how to fix

 

[Tommy Transalp]

 

[Tommy Transalp]

 

[Jughead]

 

[Mr. Python]

 

[RobbieJZW]

 

[Oubones]

 

[Mr. Python]

 

[Mr. Python]

 

[Superkazy]

 

[Mr. Python]

 

[Superkazy]