Yamaha DT 125 MX General Information |
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| Brand | Yamaha |
| Model | Yamaha DT 125 MX |
| Start year | 1978 |
| Year | 1978 |
| Category | Enduro / offroad |
| Factory Warranty (Years / miles) | - |
Yamaha DT 125 MX Dimensions, Aerodynamics and weight |
|
| Frame type | - |
| Seat details | - |
| Wheelbase | - |
| Length | 2,085 mm (82.1 inches) |
| Width | 865 mm (34.1 inches) |
| Height | 1,120 mm (44.1 inches) |
| Seat Height | 845 mm (33.3 inches) If adjustable, lowest setting. |
| Alternate Seat Height | - |
| Ground Clearance | 265 mm (10.4 inches) |
| Trail size | - |
| Wheels details | - |
| Front Tyres - Rims dimensions | - |
| Rear Tyres - Rims dimensions | - |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Front Brakes Dimensions - Disc Dimensions | 130 mm (5.1 inches) |
| Rear Brakes Dimensions - Disc Dimensions | 130 mm (5.1 inches) |
| Curb Weight (including fluids) | 102.0 kg (224.9 pounds) |
| Dry Weight | 95.0 kg (209.4 pounds) |
| Front Percentage of Weight | - |
| Rear Percentage of Weight | - |
| Weight-Power Output Ratio : | 0.1474 HP/kg |
| Fuel Tank Capacity | 7.00 litres (1.85 gallons) |
| Reserve Fuel Capacity | 1.00 litres (0.26 gallons) |
| Carrying Details and Capacity | - |
| Front Suspension | Hydraulic telescopic fork |
| Front Suspension Travel | 180 mm (7.1 inches) |
| Rear Suspension | Monocross |
| Rear Suspension Travel | 145 mm (5.7 inches) |
Yamaha DT 125 MX Engine and Transmission Technical Data |
|
| Engine type - Number of cylinders | Single cylinder, two-stroke |
| Engine details | - |
| Fuel system | Carburettor. Mikuni VM 24 SH |
| Engine size - Displacement - Engine capacity | 123.00 ccm (7.51 cubic inches) |
| Bore x Stroke | 56.0 x 50.0 mm (2.2 x 2.0 inches) |
| Compression Ratio | - |
| Number of valves per cylinder | - |
| Camshaft Valvetrain Configuration | Membrane |
| Maximum power - Output - Horsepower | 14.00 HP (10.2 kW) @ 6500 RPM |
| Maximum torque | 1.53 Nm (0.2 kgf-m or 1.1 ft.lbs) @ 6500 RPM |
| Engine Maximum RPM | 8000 |
| Cooling system | Air |
| Lubrication system | Autolube |
| Engine oil capacity | 1.00 litres (1.06 quarts) |
| Exhaust system | - |
| Gearbox | 6-speed |
| Transmission type, final drive ratio | Chain |
| Clutch type | - |
| Driveline | - |
Yamaha DT 125 MX Performance |
|
| Top Speed | 110.0 km/h (68.4 mph) |
| Acceleration 0 to 100 km/h (0 to 62 mph) | - |
| Acceleration 0 to 400m (1/4 mile) | - |
| Recuperation 60 to 140 km/h in highest gear | - |
| Fuel Consumption - MPG - Economy - Efficiency | - |
| CO2 emissions | - |
| Emissions | - |
Yamaha DT 125 MX Electrical Systems, Ignition and Equipment |
|
| Ignition Type | - |
| Electrical Details | - |
| Starter Type | Kick |
| Instruments | - |
| Lights | - |
