DT1E (close ratio)
Category: Enduros
Manufacturer: Yamaha
Hits: 747
| Year | 1971 |
| Engine Class | 250 |
| VIN Prefix | DT1F |
| Known VIN Range (Vehicle ID Numbers) | 00101 to 03492 > |
| Tank Color(s) | Mandarin Orange |
| Country of Sale | USA |
| Bore (MM) | 70 |
| Stroke (MM) | 64 |
| Displacement (CC) | 246 |
| Compression Ratio (to 1) | 6.4 |
| BHP @ RPM | 23 @ 7,000 |
| Torque (kgm) @ RPM | 2.4 @ 6,500 |
| Autolube Injection? | Yes |
| Engine Cooling | Air |
| Carburetor Model | VM26SH |
| Ignition Type | Magneto |
| Ignition Timing MM (BTDC) | 3.2 |
| Primary Drive Gearing | 3.1 |
| Final Drive Gearing (Sprockets) | 44/14 |
| Box Gearing First | 2.25 |
| Box Gearing Second | 1.65 |
| Box Gearing Third | 1.26 |
| Box Gearing Fourth | 1.0 |
| Box Gearing Fifth | 0.77 |
| Fuel Capacity (L) | 9 |
| 2 Stroke Oil Tank Capacity (L) | 1.6 |
| Gearbox Oil Capacity | 1.0 |
| Fork Oil Capacity (CC/Fork Leg) | 210 |
| Front Tire (stock) | 3.25 X 19 |
| Rear Tire (stock) | 4.00 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Twin Shock |
| Ground Clearance (mm) | 240 |
| Wheelbase (mm) | 1,366 |
| Dry Weight (kg) | 104 |
| Spark Plug | NGK B8ES |
| Voltage | 6 Volt |
| Comments | Model had a close ratio transmission |