Re: Re: B1 Project Started. Home › Forums › All Things 750 Twin › Projects and Progress › New Projects › B1 Project Started. › Re: Re: B1 Project Started. 18th March 2013 at 5:04 pm #8773 TangoParticipant I have a fully working electrical system now,including a starter button. Just need a good battery now,ive been working with a duff one just to get the electrics in order.