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Enduro - Offroad · 2006

DT 125 X

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MotoLibrary Score
35 /100 Commuter
Power/Weight
0.12 hp/kg
Torque
13 Nm
Engine
124 ccm

2006 Yamaha DT 125 X Technical Analysis & Specification Breakdown

Positioned in Yamaha's enduro - offroad motorcycle lineup, the 2006 Yamaha DT 125 X features a 124 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 14.8 HP (10.8 kW) at 8,000 rpm while maximum torque reaches 13 Nm (9.6 lb-ft) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 119.4 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the DT 125 X measures 122 kg (269 lbs) dry, translating to a power-to-weight ratio of 0.12 HP/kg (8.24 kg per horsepower). Rider ergonomics and chassis geometry center around a 886 mm (34.9 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,269 mm (50 in) wheelbase engineered for quick, flickable steering geometry. The 10.7-liter (2.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 2006 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
119.4 HP/L
Power-to-Weight
0.12 HP/kg (8.24 kg/HP)
Standover Height
886 mm (34.9 in)
Engine
Displacement 124.0 ccm (7.57 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 14.8 HP (10.8 kW)) @ 8000 RPM
Torque 13.0 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 8000 RPM
Compression 6.7:1
Bore x Stroke 56.0 x 50.7 mm (2.2 x 2.0 inches)
Fuel System Carburettor. Mikuni TM28-92
Ignition CDI
Lubrication Autolube (Separate lubrication)
Cooling Liquid
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Chassis
Front Suspension Hydraulic telescopic fork
Front Travel 60 mm (2.4 inches)
Rear Suspension Monocross (Link type)
Rear Travel 125 mm (4.9 inches)
Wheelbase 1269 mm (50.0 inches)
Ground Clearance 271 mm (10.7 inches)
Wheels & Brakes
Front Tyre 120/70-H17
Rear Tyre 140/70-H17
Front Brakes Single disc
Front Brake Ø 298 mm (11.7 inches)
Rear Brakes Single disc
Rear Brake Ø 230 mm (9.1 inches)
Dimensions & Weight
Dry Weight 122.0 kg (269.0 pounds)
Power/Weight 0.1209 HP/kg
Seat Height 886 mm (34.9 inches) If adjustable, lowest setting.
Overall Height 1121 mm (44.1 inches)
Overall Length 2139 mm (84.2 inches)
Overall Width 795 mm (31.3 inches)
Fuel Capacity 10.70 litres (2.83 US gallons)
Other
Starter Electric
More from Yamaha
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Power
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Torque
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Seat Height
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Weight
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Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌲
Best For
Off-Road & Adventure
📏
Seat Height
88.6 cm / 34.9 in
⚖️
Handling
Very lightweight — easy to handle
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