yeah i gt a 2t zip but i was wondering cos the runner 125 vx's with a 210 kit and power cam nd prob few other bits on you tube look quite quick so wondered if you could get the 50 4t going quick with a 77 kit and power cam cos no one ever talks about them i didnt know u could tune them until i was bored and had a look wat parts you could get 4 them lol