IT400E
Category: Enduros
Manufacturer: Yamaha
Hits: 490
| Year | 1978 |
| Engine Class | 400 |
| VIN Prefix | 1W6 |
| Known VIN Range (Vehicle ID Numbers) | 100101 - |
| Tank Color(s) | Sky Blue |
| Country of Sale | USA |
| Bore (MM) | 85 |
| Stroke (MM) | 70 |
| Displacement (CC) | 396 |
| Compression Ratio (to 1) | 7.6 |
| BHP @ RPM | 40 @ 7,000 |
| Torque (kgm) @ RPM | 30.9 @ 6000 |
| Autolube Injection? | No |
| Engine Cooling | Air |
| Carburetor Model | Mikuni VM38SS |
| Ignition Type | CDI (Electronic) |
| Ignition Timing MM (BTDC) | 2.7 |
| Primary Drive Gearing | 2.67 |
| Final Drive Gearing (Sprockets) | 46/15 |
| Box Gearing First | 2.54 |
| Box Gearing Second | 1.71 |
| Box Gearing Third | 1.3 |
| Box Gearing Fourth | 1.0 |
| Box Gearing Fifth | 0.77 |
| Fuel Capacity (L) | 12 |
| Gearbox Oil Capacity | 1.2 |
| Fork Oil Capacity (CC/Fork Leg) | 250 |
| Front Tire (stock) | 3.00 - 21 |
| Rear Tire (stock) | 4.50 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Mono Shock |
| Front Suspension Travel (mm) | 210 |
| Rear Suspension Travel (mm) | 180 |
| Rake (degrees) | 31.5 |
| Trail (mm) | 142 |
| Overall Width (mm) | 832 |
| Ground Clearance (mm) | 240 |
| Wheelbase (mm) | 1,430 |
| Dry Weight (kg) | 115 |
| Spark Plug | NGK B8EG |
| Voltage | 6 Volt |