DT250D
Category: Enduros
Manufacturer: Yamaha
Hits: 642
| Year | 1977 |
| Engine Class | 250 |
| VIN Prefix | 1M1 |
| Known VIN Range (Vehicle ID Numbers) | 000101 to 009399 |
| Tank Color(s) | Balboa Blue |
| Country of Sale | USA |
| Bore (MM) | 70 |
| Stroke (MM) | 64 |
| Displacement (CC) | 246 |
| Compression Ratio (to 1) | 6.7 |
| BHP @ RPM | 17 @ 6,000 |
| Torque (kgm) @ RPM | 2.12 @ 5,000 |
| Autolube Injection? | Yes |
| Engine Cooling | Air |
| Carburetor Model | VM28SS |
| Ignition Type | Magneto |
| Ignition Timing MM (BTDC) | 3.2 |
| Primary Drive Gearing | 2.83 |
| Final Drive Gearing (Sprockets) | 47/14 |
| Box Gearing First | 2.54 |
| Box Gearing Second | 1.79 |
| Box Gearing Third | 1.30 |
| Box Gearing Fourth | 1.0 |
| Box Gearing Fifth | 0.77 |
| Fuel Capacity (L) | 9 |
| 2 Stroke Oil Tank Capacity (L) | 1.15 |
| Gearbox Oil Capacity | 1.2 |
| Fork Oil Capacity (CC/Fork Leg) | 190 |
| Front Tire (stock) | 3.00 x 21 |
| Rear Tire (stock) | 4.00 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Mono Shock |
| Front Suspension Travel (mm) | 195 |
| Rear Suspension Travel (mm) | 140 |
| Rake (degrees) | 30 |
| Trail (mm) | 135 |
| Overall Width (mm) | 870 |
| Ground Clearance (mm) | 255 |
| Wheelbase (mm) | 1,420 |
| Dry Weight (kg) | 122 |
| Spark Plug | NGK B8ES |
| Voltage | 6 Volt |