MBK PAINT 

PAINT MBK
MBK Industrie (previously Motobécane-Motoconfort) is a French manufacturer of two-wheelers founded in 1924 is now a subsidiary of Yamaha.

Which varnish to use for my motorcycle, to varnish my painting?
First of all, never use a large surface varnish, they are very bad products.
Always use a varnish with hardener.
On the Starsust website, there are professional nail polishes, as well as a professional spray polish:
it's a really special aerosol because it includes a hardener included! > see category VARNISH AUTOMOBILE