DT250B
Category: Enduros
Manufacturer: Yamaha
Hits: 1091
| Year | 1975 |
| Engine Class | 250 |
| VIN Prefix | 450 |
| Known VIN Range (Vehicle ID Numbers) | 200101 to 224381 |
| Tank Color(s) | Portuguese Orange |
| Country of Sale | USA |
| Bore (MM) | 70 |
| Stroke (MM) | 64 |
| Displacement (CC) | 246 |
| Compression Ratio (to 1) | 6.8 |
| BHP @ RPM | 24 @ 7,000 |
| 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) | 44/14 |
| Box Gearing First | 2.53 |
| Box Gearing Second | 1.68 |
| Box Gearing Third | 1.17 |
| Box Gearing Fourth | 1.0 |
| Box Gearing Fifth | 0.86 |
| Fuel Capacity (L) | 9 |
| 2 Stroke Oil Tank Capacity (L) | 1.5 |
| Gearbox Oil Capacity | 1.0 |
| Fork Oil Capacity (CC/Fork Leg) | 175 |
| Front Tire (stock) | 3.00 x 21 |
| Rear Tire (stock) | 4.00 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Twin Shock |
| Rake (degrees) | 30.5 |
| Trail (mm) | 135 |
| Overall Width (mm) | 870 |
| Ground Clearance (mm) | 220 |
| Wheelbase (mm) | 1,410 |
| Dry Weight (kg) | 123 |
| Spark Plug | NGK B8ES |
| Voltage | 6 Volt |