YAMAHA YZ400F specifications — approved in Switzerland
12 HP
Max power
19 Nm
Max torque
100 km/h
Top speed
177 kg
Curb weight
6YA149
| Power | 12.0 HP (8.9 kW) @ 4’840 rpm |
| Torque | 19 Nm @ 3’620 rpm |
| Top speed |
| 100 km/h |
| Weight/power ratio | 14.75 kg/HP |
| Displacement | 399 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / monobloc |
| Transmission | Manuelle 5 vitesses |
| Engine | H303E |
| Curb weight | 177 kg |
| Gross weight | 335 kg |
| Width | 2’215 mm |
| Height | 1’250 mm |
| Doors | latéral |
| Tires | AV= 3.00-21 51L: 21x1.60 roues à rayons |
| Tires (option) | AR= 110/80-18 58P: 18x2.50 roues à rayons |
| Manufacturer | YAMAHA MOTOR CO LTD, J-2500 SHINGAI/IWATA-CITY |
| Approval date | 19/06/1998 |
| Type approval no. | 6YA149 |
6YA157
| Power | 11.9 HP (8.8 kW) @ 5’080 rpm |
| Torque | 18 Nm @ 3’640 rpm |
| Top speed | 100 km/h |
| Weight/power ratio | 16.39 kg/HP |
| Displacement | 399 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / monobloc |
| Transmission | Manuelle 5 vitesses |
| Engine | H308E |
| Curb weight | 195 kg |
| Gross weight | 335 kg |
| Width | 2’215 mm |
| Height | 1’450 mm |
| Doors | latéral |
| Tires | AV= 3.00-21 51L: 1.60x21 jantes-AL avec rayons d'acier |
| Tires (option) | AR= 110/80-18 58P: 2.50x18 jantes-AL avec rayons d'acier |
| Manufacturer | YAMAHA MOTOR CO LTD, J-2500 SHINGAI/IWATA-CITY |
| Approval date | 09/02/1999 |
| Type approval no. | 6YA157 |
