Hey all, im trying to figure out some things regarding an older engine i've come across. Obvisouly the end goal is to have a restored bike, however i need toknow what parts for what i can use. I have a bunch of pictures of the engine that I can share. is there anyone that knows these bikes like crazy? Markings I've found are: MV9, HM 599cc, 0255(etched), and its an inline 4 with 6 gears. I will upload some pictures hopefully tonight, i have to rexduce the file size first.

any help would be great as I'd like to start acquiring parts asap!

thanks for reading!