Well I just picked up a 74 Harley Davidson 3 wheeler, for $200. I restored one a few years back, and it worked out ok, but after tear down of the engine this one as expected the top end needs to be rebuilt. But it seems to have an awful lot of play in the connecting rod, these have the 2 piece cranks so replacing the connecting rod isnt an easy or cheap project, if parts can even be found. Does anyone have any experience or knowledge of the allowable play in these engines, if bottom end is shot. I think I will just part it out. Thanks in advance.