Back to Bike FinderYears: 1978
1978Off-road
Yamaha DT 125 MX
Key specifications
Engine
123 cc
Power
14 HP
Torque
2 Nm
Weight
95 kg
Fuel type
petrol
Fuel capacity
1.9 L
Transmission
6-speed
Seat height
33 mm
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)
Technical details
Source specification data
- Make
- Yamaha
- Model
- DT 125 MX
- Category
- Enduro-offroad
- Starter
- Kick
- Power
- 14.00 HP (10.2 kW)) @ 6500 RPM
- Max Rpm
- 8000
- Torque
- 1.53 Nm (0.2 kgf-m or 1.1 ft.lbs) @ 6500 RPM
- Gearbox
- 6-speed
- Top Speed
- 110.0 km/h (68.4 mph)
- Fuel System
- Carburettor. Mikuni VM 24 SH
- Bore X Stroke
- 56.0 x 50.0 mm (2.2 x 2.0 inches)
- Displacement
- 123.00 ccm (7.51 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, two-stroke
- Lubrication System
- Autolube
- Transmission Type Final Drive
- Chain
- Dry Weight
- 95.0 kg (209.4 pounds)
- Seat Height
- 845 mm (33.3 inches) If adjustable, lowest setting.
- Oil Capacity
- 1.00 litres (0.07 quarts)
- Fuel Capacity
- 7.00 litres (1.85 gallons)
- Overall Width
- 865 mm (34.1 inches)
- Overall Height
- 1,120 mm (44.1 inches)
- Overall Length
- 2,085 mm (82.1 inches)
- Ground Clearance
- 265 mm (10.4 inches)
- Power Weight Ratio
- 0.1474 HP/kg
- Reserve Fuel Capacity
- 1.00 litres (0.26 gallons)
- Weight Incl Oil Gas Etc
- 102.0 kg (224.9 pounds)
- Rake
- 60.0°
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Monocross
- Front Suspension
- Hydraulic telescopic fork
- Rear Wheel Travel
- 145 mm (5.7 inches)
- Front Wheel Travel
- 180 mm (7.1 inches)
- Rear Brakes Diameter
- 130 mm (5.1 inches)
- Front Brakes Diameter
- 130 mm (5.1 inches)