| Model | AT-F6 |
| Stroke | 2 Stroke |
| Rated Speed (kw) | 4.4 |
| Dimension (mm) |
S:750*333*1040
L: 750*333*1168 |
| Weight (kg) | S: 27 L: 28 |
| Max Speed (rpm) | 4500-5500 |
| No. of Cly | 1 |
| Bore/stroke (mm) | 62.0 x 46.0 |
| Displacement (cc) | 139 |
| Combustion system | Oil-Gasoline |
| Cooling Way | Water-cooled |
| Start Way | Hand |
| Suspension Mode | Rear suspension |
| Fuel tank capacity (L) | 12 |
| Gear ratio | 2.08 (27:13) |
| Gear Shift | F-N-R |
| propeller (in.) | 7 1/2*8 -BA |