From Sport Rider

[Treachery]

Very extensive info and good images. May be KTM issue, but I've not seen it elsewhere. Especially the pics.

Sport Rider

 

[TZMike]

here's another one by Sport Rider.

RC 390 First Ride Review

403 Forbidden

 

[Treachery]

Dunno why it comes up as "forbidden" in your post, but the link works.