Complaint
| Model | AT-T15 | AT-T20 | AT-T30 |
| Stroke | 2 Stroke | 2 Stroke | 2 Stroke |
| Rated Speed (kw) | 11 | 14.7 | 22.1 |
| Dimension (mm) | 5:873x332x1043 L:873x332x1170 | S: 878*343*1077 L: 878*343*1204 | S:843*339*1146 L: 843*339*1273 |
| Weight (kg) | S: 36 L:37.5 | S: 41 L: 42 | S: 53 L: 54.5 |
| Max Speed (rpm) | 4500-5500 | 5200-5800 | 4500-5500 |
| No. of Cly | 2 | 2 | 2 |
| Bore/stroke (mm) | 56.0 x 50.0 | 62.0x54.0 | 72.0x61.0 |
| Displacement (cc) | 246 | 326 | 496 |
| Combustion system | Oil-Gasoline | Oil-Gasoline | Oil-Gasoline |
| Cooling Way | Water-cooled | Water-cooled | Water-cooled |
| Start Way | Hand/Electric | Hand/Electric | Hand/Electric |
| Suspension Mode | Rear suspension /Front suspension | Rear suspension/ Front suspension | Rear suspension/ Front suspension |
| Fuel tank capacity (L) | 24 | 24 | 24 |
| Gear ratio | 2.08 (27:13) | 1.85 (24:13) | 1.85 (24:13) |
| Gear Shift | F-N-R | F-N-R | F-N-R |
| propeller (in.) | 9 1/4*9-J | 9 1/4*9 | 9 7/8 *12-F |
