IT125H
Category: Enduros
Manufacturer: Yamaha
Hits: 424
| Year | 1981 |
| Engine Class | 125 |
| VIN Prefix | 3R9 |
| Known VIN Range (Vehicle ID Numbers) | 050101 - |
| Tank Color(s) | Sky Blue |
| Country of Sale | USA |
| Bore (MM) | 56 |
| Stroke (MM) | 50 |
| Displacement (CC) | 123 |
| Compression Ratio (to 1) | 8.1 |
| BHP @ RPM | 16.87 @ 9,000 |
| Torque (kgm) @ RPM | 1.48 @ 8,000 |
| Autolube Injection? | No |
| Engine Cooling | Air |
| Carburetor Model | VM30SC |
| Ignition Type | CDI (Electronic) |
| Primary Drive Gearing | 2.23 |
| Final Drive Gearing (Sprockets) | 46/12 |
| Box Gearing First | 3.09 |
| Box Gearing Second | 2.07 |
| Box Gearing Third | 1.50 |
| Box Gearing Fourth | 1.19 |
| Box Gearing Fifth | 1.00 |
| Box Gearing Sixth | 0.84 |
| Fuel Capacity (L) | 8.5 |
| Gearbox Oil Capacity | 0.65 |
| Front Tire (stock) | 3.00 x 21 |
| Rear Tire (stock) | 4.10 x 18 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Mono Shock |
| Front Suspension Travel (mm) | 200 |
| Rear Suspension Travel (mm) | 200 |
| Rake (degrees) | 28.5 |
| Trail (mm) | 120 |
| Ground Clearance (mm) | 300 |
| Wheelbase (mm) | 1,365 |
| Dry Weight (kg) | 91.5 |
| Voltage | 6 Volt |