Bill here is a link to the Weemoto site, always good for aftermarket parts, don't know what model 916 you have but worth a look: Motorcycle Parts at Wemoto - The UK's No.1 On-Line Motorcycle Parts Retailer Don't go buying anything though until you definitely know what the problem is. It's very easy to jump to conclusions and waste money!
Pretty shure the single phase and three phase are not interchangeable, I think the end ofthe crank is different as well as the casing. Steve
Well my 916 is all sorted out was the reg and a wire had snaped in side its casing near the alternater and they changed sum conneters£150 all in itala lincolin they are so good and helpfull best bike shop iv ever been to all ways there to help
im off to pick up my baby and take her for a nice ride it been to long away from her italia in lincolin are really good i bought her from there and used them for every thing they are all ways happy to help even with a 16 year old bike they treat you the same as a new one the best bike shop iv been in and the misses is happy and likes going in they not just after your cash