I only wish that Nissan made motorbikes like Suzuki and Honda do! I don't think you could use it in improved production though because sequential shift is not allowed.
If you are interested in bike engines, the term is 'bike engined car'. If you search this you will find heaps of into.
BEC websiteThe three main gearboxes are the blackbird reverser, reversion and BGH Geartech. (costs roughly 550 pounds)