The Yamaha MT-125 motorcycle specifications include a 124.7 cc (7.61 cu in) engine, a 6-speed gearbox, and a listed weight of 138 kg (304.2 lb).
Key specifications
2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023Model years
125 ccDisplacement
12.4 Nm @ 6,900 rpmTorque
138 kgWet weight
810 mmSeat height
11.5 LFuel tank
1,355 mmWheelbase
140 mmGround clearance
Model years covered
20152016201720182019202120222023
Year-specific specification changes
The 2015 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Frame
20212022Steel deltabox frame and aluminum swingarm
2023Steel deltabox with aluminum swingarm
Front brakes
20162019Single disc. Optional ABS.
Rear brakes
20162019Single disc. Optional ABS.
Rear suspension
20212023Swingarm
Rear tire
20212023140/70-M17
Torque
201912.4 Nm (1.3 kgf-m or 9.1 ft.lbs) @ 8,000 rpm
2021202311.5 Nm (1.2 kgf-m or 8.5 ft.lbs) @ 8,000 rpm
Wet weight
20182021140 kg (308.6 lb)
20222023142 kg (313.1 lb)
Wheelbase
202220231,325 mm (52.2 inches)
Clutch
20212023Assist and slipper clutch
Engine oil capacity
202120231.10 L (1.16 US qt)
Front wheel travel
20212023130 mm (5.1 inches)
Fuel capacity
202110.00 L (2.64 US gal)
2022202311.00 L (2.91 US gal)
Instruments
20162022LCD instrument panel
20235’’ TFT display with smartphone connectivity
Oil capacity
202120231.10 L (1.16 US qt)
Overall height
202120231,065 mm (41.9 inches)
Overall length
202120231,960 mm (77.2 inches)
Overall width
20212023800 mm (31.5 inches)
Rake
2021202326.0°
Rear wheel travel
2021114 mm (4.5 inches)
20222023110 mm (4.3 inches)
Trail
2021202395 mm (3.7 inches)
Mechanical overview
Engine layout snapshot
Single cylinder, four-stroke • 125 cc • Liquid cooled
Chassis snapshot
Wheelbase 1,355 mmSeat 810 mmClearance 140 mm
6-speed • Chain (final drive) • 100/80-M17 front / 130/70-M17 rear
Additional useful specifications
| Front tire size | 100/80-M17 |
|---|---|
| Rear tire size | 130/70-M17 |
| Engine oil capacity | 1.20 L (1.27 US qt) |
| Bore/stroke ratio | 0.89:1 (Undersquare) |
Model information
| Category | Naked bike |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 124.7 cc (7.61 cu in) |
| Torque | 12.4 Nm (1.3 kgf-m or 9.1 ft.lbs) @ 6,900 rpm |
| Bore × stroke | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Compression ratio | 11.2:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
| Oil capacity | 1.20 L (1.27 US qt) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet, multiple-disc coil spring |
Chassis and suspension
| Frame | Steel Deltabox |
|---|---|
| Front suspension | Upside-down telescopic fork, 41 mm |
| Rear suspension | Linked monoshock with spring preload adjustment |
| Front wheel travel | 137 mm (5.4 inches) |
| Rear wheel travel | 130 mm (5.1 inches) |
| Rake | 25.0° |
| Trail | 89 mm (3.5 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 100/80-M17 |
| Rear tire | 130/70-M17 |
| Wheels | Y-spoke wheels |
Dimensions and weight
| Wet weight | 138 kg (304.2 lb) |
|---|---|
| Seat height | 810 mm (31.9 inches) |
| Overall length | 1,955 mm (77.0 inches) |
| Overall width | 740 mm (29.1 inches) |
| Overall height | 1,040 mm (40.9 inches) |
| Wheelbase | 1,355 mm (53.3 inches) |
| Ground clearance | 140 mm (5.5 inches) |
Fuel and emissions
| Fuel capacity | 11.50 L (3.04 US gal) |
|---|
Electrical and instruments
| Instruments | Digital LED |
|---|
Other specifications
| Color options | Red, grey, blue |
|---|
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.