KYMCO Top Boy 50 On specifications — approved in Switzerland
5 HP
Max power
5 Nm
Max torque
67 km/h
Top speed
170 kg
Curb weight
6KB640
| Power | 4.8 HP (3.5 kW) @ 7’000 rpm |
| Torque | 5 Nm @ 6’500 rpm |
| Top speed | 67 km/h |
| Weight/power ratio | 35.42 kg/HP |
| Displacement | 50 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | SF10G |
| Curb weight | 170 kg |
| Gross weight | 255 kg |
| Width | 1’905 mm |
| Height | 1’070 mm |
| Body type | Scooter |
| Doors | central + latéral |
| Tires | AV= 120/70-12 56J: 3.00x12 |
| Tires (option) | AR= 130/70-12 59J: 3.50x12 |
| Manufacturer | KWANG YANG MOTOR CO., LTD, RC KAOHSIUNG, TAIWAN R.O.C. |
| Approval date | 23/04/2004 |
| Type approval no. | 6KB640 |
6KB634
| Power | 4.0 HP (3.0 kW) @ 6’750 rpm |
| Torque | 4 Nm @ 6’500 rpm |
| Top speed | 45 km/h |
| Weight/power ratio | 42.5 kg/HP |
| Displacement | 50 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | SF10G |
| Curb weight | 170 kg |
| Gross weight | 255 kg |
| Width | 1’905 mm |
| Height | 1’070 mm |
| Body type | Scooter |
| Doors | central et latéral |
| Tires | AV= 120/70-12 56J: 3.00x12 |
| Tires (option) | AR= 130/70-12 59J: 3.50x12 |
| Manufacturer | KWANG YANG MOTOR CO., LTD, RC KAOHSIUNG, TAIWAN R.O.C. |
| Approval date | 03/12/2003 |
| Type approval no. | 6KB634 |
