Do you happen to still have the receipt for the clutch cable, there are 3 or so different lengths of clutch cables available .
I'm at work this morning, and just went out to check the routing of my clutch cable.
Mine comes over the head light area, goes down the steering head on the right side, then follows the right down tube .
I don't have a standard installation, I've got an oil-cooler and cover, and there is a rubber grommet-ed stand-off on the oil cooler, and a set of cylinder guards.
Best I can remember, is that the clutch cable was originally ty-wrapped to the down tube, up until a few inches or so from the metal support that the outer sheath rests against.