just for all you guys information here... the engine is a baught one, the guy who's riding this bike is not from Mo, he is an israeli journalist who just lives in itali, and the engine won't be like the xr600, the engine is not a normal engine, it has a different kind of fuel that it is using. this engine is usually used for play bikes, and is not old, it's not water cooled, abut it is very modern, the insides that is, kinda looks like a desmo from the inside.... as for the guy who made that bike, he just loves classic bkes like this, and he is going to make 50 of those for the next week. now you've got your information about this bike...