Motorcycles Specs > Yamaha > Yamaha DT 125 X

Yamaha DT 125 X Specs

The Yamaha DT 125 X model is a Super motard bike manufactured by Yamaha . In this version sold from year 2007 , the dry weight is 122.0 kg (269.0 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 14.75 HP (10.8 kW) @ 8000 RPM and a maximum torque of 13.00 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 8000 RPM . With this drive-train, the Yamaha DT 125 X is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha DT 125 X have a Front suspension system: frame with front suspension being Hydraulic telescopic fork and in the rear suspension it is equiped with Monocross (Link type) . Stock tire sizes are 120/70-H17 on the front, and 140/70-H17 on the rear. As for stopping power, the Yamaha DT 125 X braking system includes Single disc size 298 mm (11.7 inches) at the front and Single disc size 230 mm (9.1 inches) at the rear. 

Yamaha DT 125 X General Information

Brand Yamaha 
Model Yamaha DT 125 X 
Start year 2007 
Year 2007 
Category Super motard 
Factory Warranty (Years / miles)

Yamaha DT 125 X Dimensions, Aerodynamics and weight

Frame type Front suspension system: 
Seat details
Wheelbase 1,269 mm (50.0 inches) 
Length 2,139 mm (84.2 inches) 
Width 795 mm (31.3 inches) 
Height 1,121 mm (44.1 inches) 
Seat Height 886 mm (34.9 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance 271 mm (10.7 inches) 
Trail size
Wheels details
Front Tyres - Rims dimensions 120/70-H17 
Rear Tyres - Rims dimensions 140/70-H17 
Front brakes Single disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions 298 mm (11.7 inches) 
Rear Brakes Dimensions - Disc Dimensions 230 mm (9.1 inches) 
Curb Weight (including fluids)
Dry Weight 122.0 kg (269.0 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.1209 HP/kg 
Fuel Tank Capacity 10.70 litres (2.83 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Hydraulic telescopic fork 
Front Suspension Travel 120 mm (4.7 inches) 
Rear Suspension Monocross (Link type) 
Rear Suspension Travel 200 mm (7.9 inches) 

Yamaha DT 125 X Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details
Fuel system Carburettor. Mikuni TM28-92 
Engine size - Displacement - Engine capacity 124.00 ccm (7.57 cubic inches) 
Bore x Stroke 56.0 x 50.7 mm (2.2 x 2.0 inches) 
Compression Ratio 6.7:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration
Maximum power - Output - Horsepower 14.75 HP (10.8 kW) @ 8000 RPM 
Maximum torque 13.00 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 8000 RPM 
Engine Maximum RPM
Cooling system Liquid 
Lubrication system Autolube (Separate lubrication) 
Engine oil capacity
Exhaust system
Gearbox 6-speed 
Transmission type, final drive ratio Chain 
Clutch type

Yamaha DT 125 X Performance

Top Speed
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

Yamaha DT 125 X Electrical Systems, Ignition and Equipment

Ignition Type CDI 
Electrical Details
Starter Type Electric 
How much horsepower does a Yamaha DT 125 X have?
The Yamaha DT 125 X has 14.75 HP (10.8 kW) @ 8000 RPM.

How much does a Yamaha DT 125 X weighs?
The Yamaha DT 125 X weighs 122.0 kg (269.0 pounds).

How tall (seat height) is a Yamaha DT 125 X?
The Yamaha DT 125 X seat height is 886 mm (34.9 inches) If adjustable, lowest setting.