Oh man, I am an engineer by education now. Should begin to play job application lottery by trying to get a job on a company manufacturing motorcycles.

Or should I go to a local bank with my diploma and ask for €100 000 000 loan to start up a company myself xD

I already have a vision: Design three generic models of bikes. The models are "street", "off-road", and "hybrid", which shall be available in different engine sizes. Generic models shall be affordable and easy to maintain. The profits are focused on high quality replacement and modding parts, which can be used as "drop in" replacements for the original parts. Customers can also design "a'la carte way" a bike for themselves because the manufacturing of the bikes shall be very Just On Time focused. The three generic models shall be redesigned in 3 year cycles, meaning that all parts on the bike on three year cycle must be interchangeable.