limits

I'm building a twin-engine mini, with each engine being roughly 10hp@6k Will a single premium 3/4 or 1" clutch handle it? Light bike, WAY not-light rider. Gearing 12/72 from jackshaft to wheel. Planning roughly 25% reduction between engines and jackshaft, for 33mph@6k, plenty for me. 15"...

Sorry if this is in the wrong sections or anything, Im new. But Im working on saving up for a baja warrior mini bike or the trailsport 550 mini bike kit. I just have one question. Generally, where are you aloowed to ride mini bikes? I know it's different depending on where you live, but just...