MonsterMash, I thought the item you describe on the little homemade pit bikes or go-carts was called a centrifugal clutch. Is a "torque converter" the same as a "centrifugal clutch"?
i believe so. i think its just a more robust version or something....
this was a website that we found when a buddy was looking to improve his little camp motorcycle... one of those cheapie things with two atv wheels and found at tractor supply....
Torque Converters
he ended up getting a great deal on a dual sport and ended up buying that and selling his little minibike thing to one of our manufacturing guys... i don't know whatever happened to it, but from what i understood, its more or less the same thing....
found a video on youtube......
looks a lot like the clutch on a friend's scooter....
i'm still a bit unclear what purpose this would serve on a conventional motorcycle, unless you might be do truck pull things with a motorcycle..... like some sort of tug of war or pulling those weighted sleds or something.