Yamaha DT 125 MX Specs
The Yamaha DT 125 MX model is a Enduro / offroad bike manufactured by Yamaha . In this version sold from year 1978 , the dry weight is 95.0 kg (209.4 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 14.00 HP (10.2 kW) @ 6500 RPM and a maximum torque of 1.53 Nm (0.2 kgf-m or 1.1 ft.lbs) @ 6500 RPM . With this drive-train, the Yamaha DT 125 MX is capable of reaching a maximum top speed of 110.0 km/h (68.4 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha DT 125 MX have a frame with front suspension being Hydraulic telescopic fork and in the rear suspension it is equiped with Monocross . Stock tire sizes are on the front, and on the rear. As for stopping power, the Yamaha DT 125 MX braking system includes Expanding brake (drum brake) size 130 mm (5.1 inches) at the front and Expanding brake (drum brake) size 130 mm (5.1 inches) at the rear.
Yamaha DT 125 MX General Information
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| Brand |
Yamaha |
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| Model |
Yamaha DT 125 MX |
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| Year |
1978 |
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| Year |
1978 |
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| Category |
Enduro / offroad |
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| Factory Warranty (Years / miles) |
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Yamaha DT 125 MX Dimensions, Aerodynamics and weight
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| Frame type |
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| Seat details |
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| Wheelbase |
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| Length |
2,085 mm (82.1 inches) |
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| Width |
865 mm (34.1 inches) |
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| Height |
1,120 mm (44.1 inches) |
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| Seat Height |
845 mm (33.3 inches) If adjustable, lowest setting. |
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| Alternate Seat Height |
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| Ground Clearance |
265 mm (10.4 inches) |
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| Trail size |
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| Wheels details |
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| Front Tyres - Rims dimensions |
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| Rear Tyres - Rims dimensions |
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| Front brakes |
Expanding brake (drum brake) |
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| Rear brakes |
Expanding brake (drum brake) |
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| Front Brakes Dimensions - Disc Dimensions |
130 mm (5.1 inches) |
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| Rear Brakes Dimensions - Disc Dimensions |
130 mm (5.1 inches) |
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| Curb Weight (including fluids) |
102.0 kg (224.9 pounds) |
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| Dry Weight |
95.0 kg (209.4 pounds) |
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| Front Percentage of Weight |
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| Rear Percentage of Weight |
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| Weight-Power Output Ratio : |
0.1474 HP/kg |
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| Fuel Tank Capacity |
7.00 litres (1.85 gallons) |
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| Reserve Fuel Capacity |
1.00 litres (0.26 gallons) |
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| Carrying Details and Capacity |
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| Front Suspension |
Hydraulic telescopic fork |
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| Front Suspension Travel |
180 mm (7.1 inches) |
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| Rear Suspension |
Monocross |
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| Rear Suspension Travel |
145 mm (5.7 inches) |
Yamaha DT 125 MX Engine and Transmission Technical Data
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| Engine type - Number of cylinders |
Single cylinder, two-stroke |
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| Engine details |
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| Fuel system |
Carburettor. Mikuni VM 24 SH |
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| Engine size - Displacement - Engine capacity |
123.00 ccm (7.51 cubic inches) |
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| Bore x Stroke |
56.0 x 50.0 mm (2.2 x 2.0 inches) |
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| Compression Ratio |
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| Number of valves per cylinder |
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| Camshaft Valvetrain Configuration |
Membrane |
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| Maximum power - Output - Horsepower |
14.00 HP (10.2 kW) @ 6500 RPM |
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| Maximum torque |
1.53 Nm (0.2 kgf-m or 1.1 ft.lbs) @ 6500 RPM |
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| Engine Maximum RPM |
8000 |
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| Cooling system |
Air |
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| Lubrication system |
Autolube |
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| Engine oil capacity |
1.00 litres (0.07 quarts) |
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| Exhaust system |
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| Gearbox |
6-speed |
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| Transmission type, final drive ratio |
Chain |
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| Clutch type |
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| Driveline |
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Yamaha DT 125 MX Performance
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| Top Speed |
110.0 km/h (68.4 mph) |
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| Acceleration 0 to 100 km/h (0 to 62 mph) |
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| Acceleration 0 to 400m (1/4 mile) |
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| Recuperation 60 to 140 km/h in highest gear |
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| Fuel Consumption - MPG - Economy - Efficiency |
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| CO2 emissions |
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| Emissions |
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Yamaha DT 125 MX Electrical Systems, Ignition and Equipment
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| Ignition Type |
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| Electrical Details |
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| Starter Type |
Kick |
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| Instruments |
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| Lights |
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