As an oxidizer, it'll assist the burn of almost any combustible fuel. However, unless you have a blueprinted motor designed for it you'll pop it soon enough
NOS = disposable engine
I've not messed w/these lil boost kits and prolly wont, but I've heard that their regulation (amount and duration) is sloppy as ****. If I were to do such a thing to my poor bike for a weekend of fun - I'd valve it better.