The Yamaha DT 125 X motorcycle specifications include a 124 cc (7.57 cu in) engine, a 5-speed gearbox, and a listed weight of 122 kg (269 lb).
Key specifications
The 2006 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha DT 125 X compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 77% lower than the Yamaha database average. Around the 18th percentile across Yamaha models.
About 12% taller than the Yamaha database average. Around the 89th percentile across Yamaha models.
About 18% smaller than the Yamaha database average. Around the 36th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
124 cc — larger displacement than about 18% of Yamaha models.
886 mm — taller than about 89% of Yamaha models.
10.7 L — larger than about 36% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,139
2,082
Close to average.
795
823
3% below average.
1,121
1,172
4% below average.
1,269
1,416
10% below average.
886
793
12% above average.
271
181
50% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 120/70-H17 |
|---|---|
| Rear tire size | 140/70-H17 |
| Bore/stroke ratio | 1.10:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 124 cc (7.57 cu in) |
| Torque | 13.0 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 8,000 rpm |
| Bore × stroke | 56.0 x 50.7 mm (2.2 x 2.0 inches) |
| Compression ratio | 6.7:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Mikuni TM28-92 |
| Ignition | CDI |
| Starter | Electric |
| Lubrication | Autolube (Separate lubrication) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Hydraulic telescopic fork |
|---|---|
| Rear suspension | Monocross (Link type) |
| Front wheel travel | 60 mm (2.4 inches) |
| Rear wheel travel | 125 mm (4.9 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 120/70-H17 |
| Rear tire | 140/70-H17 |
Dimensions and weight
| Dry weight | 122 kg (269 lb) |
|---|---|
| Seat height | 886 mm (34.9 inches) |
| Overall length | 2,139 mm (84.2 inches) |
| Overall width | 795 mm (31.3 inches) |
| Overall height | 1,121 mm (44.1 inches) |
| Wheelbase | 1,269 mm (50.0 inches) |
| Ground clearance | 271 mm (10.7 inches) |
Fuel and emissions
| Fuel capacity | 10.70 L (2.83 US gal) |
|---|
Performance
| Power/weight ratio | 0.1209 hp/kg |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.