YAMAHA WR450 specifications — approved in Switzerland
40.8 HP
Max power
36.0 Nm
Max torque
140 km/h
Top speed
205 kg
Curb weight
6YA357
| Power | 40.8 HP (30.0 kW) @ 8 500 rpm |
| Torque | 36.0 Nm @ 7 000 rpm |
| Top speed |
| 140 km/h |
| Weight/power ratio | 5.02 kg/HP |
| Displacement | 449 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / monobloc |
| Transmission | Manuelle 5 vitesses |
| Engine | J326E |
| Curb weight | 205 kg |
| Gross weight | 230 kg |
| Width | 2 270 mm |
| Height | 1 215 mm |
| Doors | latéral |
| Tires | AV= 90/90-21 54R: 1.60x21, 1.85x21 / AR= 120/90-18 65R, 2.50x18 |
| Tires (option) | 130/90-18 69R, 2.15x18 |
| Manufacturer | Diverse Italien, |
| Approval date | 08/01/2007 |
| Type approval no. | 6YA357 |
6YA390
| Power | 13.9 HP (10.2 kW) @ 5 250 rpm |
| Torque | 31.0 Nm @ 3 000 rpm |
| Top speed | 100 km/h |
| Weight/power ratio | 14.39 kg/HP |
| Displacement | 449 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / en ligne |
| Transmission | Manuelle 5 vitesses |
| Engine | J326E |
| Curb weight | 200 kg |
| Gross weight | 230 kg |
| Width | 2 205 mm |
| Height | 1 225 mm |
| Wheelbase | 2 275 mm |
| Doors | latéral |
| Tires | AV= 90/90-21 (54R): 21x1.60 |
| Tires (option) | AR= 130/90-18 (69R): 18x2.15 |
| Manufacturer | Diverse Italien, |
| Approval date | 01/02/2008 |
| Type approval no. | 6YA390 |
6YA502
| Power | 13.3 HP (9.8 kW) @ 5 000 rpm |
| Torque | 25.0 Nm @ 3 500 rpm |
| Top speed | 94 km/h |
| Weight/power ratio | 15.34 kg/HP |
| Displacement | 449 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / en ligne |
| Transmission | Manuelle 5 vitesses |
| Engine | J330E |
| Curb weight | 204 kg |
| Gross weight | 219 kg |
| Width | 2 315 mm |
| Height | 1 275 mm |
| Doors | latéral |
| Tires | AV= 80/100-21 51P: 21x1.60 |
| Tires (option) | AR= 120/90-18 65P: 18x2.15 |
| Manufacturer | YAMAHA MOTOR CO LTD, J-2500 SHINGAI/IWATA-CITY |
| Approval date | 19/01/2012 |
| Type approval no. | 6YA502 |
