50/80/90cc dirt bike

1) Dimensions(L x W x H): 1570 x 660 x 920mm
2) Wheel base(mm): 1550
3) Net weight(kg): 61
4) Max load(kg): 120
5) Front tyre size: 2.50-14
6) Rear tyre size: 3.00-12
7) Displacement(ml): 79
8) Standard power(kw/r/min): 4.92/6000
9) Max torque(N.w/r/min): 8.30/4500
10) Max speed: ≥75
11) Bore x stroke(mm): 47.0 x 45.6