Hmm this guy is getting 60 MPH out of his 50cc, on my 170cc I only get 60 MPH
it just doesn't seem right...
He's probably 50 lbs lighter, has 40 PSI in his tires, rides only downhill, uses non ethanol
gas, has an aerodynamic windshield and so on but still he should be slower than me on a 50.....