Supermotos
2015Yamaha WR125X
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The 2015 Yamaha WR125X is a 125cc supermoto for learner riders, based on the WR125R trail bike. Its liquid-cooled 124.7cc four-stroke single makes 14.8 hp at 9,000 rpm and 12.2 Nm through a six-speed gearbox and chain. A tall 920 mm seat, 137 kg wet weight and 8.5-litre tank complete it.
- Capacity
- 124.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 127.0 kg
- Seat height
- 920 mm
- Power
- 14.8 HP (10.9 kW) @ 9000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for zipping through city streets and playful cornering rather than outright speed or distance.
- Built for
- A nimble, flickable street-fighter styled machine that rewards playful, aggressive riding at low to moderate speeds.
- Not ideal for
- Not suited for highway touring, carrying a passenger long distances, or riders wanting strong outright acceleration.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 124.7 ccm
- Power
- 14.8 HP (10.9 kW) @ 9000 RPM
- Torque
- 12.2 Nm (1.2 kgf-m) @ 8000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1165 HP/kg (dry)
- Bore x stroke
- 52.0 x 58.6 mm
- Compression
- 11.2:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1430 mm
- Overall length
- 2095 mm
- Overall width
- 835 mm
- Overall height
- 1165 mm
- Seat height
- 920 mm
- Dry weight
- 127.0 kg
- Wet weight
- 137.0 kg
- Fuel capacity
- 8.50 litres
- Ground clearance
- 255 mm
- Oil capacity
- 1.20 litres
Chassis & suspension
- Frame
- Steel double cradle
- Front suspension
- Telescopic forks
- Rear suspension
- Swingarm, link suspension, Monoshock
- Front wheel travel
- 210 mm
- Rear wheel travel
- 230 mm
- Rake (fork angle)
- 25.0°
- Trail
- 79 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic
- Front brakes diameter
- 298 mm
- Rear brakes
- Single disc. Hydraulic
- Rear brakes diameter
- 220 mm
- Front tyre
- 110/70-17
- Rear tyre
- 140/70-17
Other
- Color options
- White, black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2009 | 2011 | 2013 | 2015 | 2017 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 127 kg | 127 kg | 127 kg | 127 kg | 127 kg |
| Seat height | 920 mm | 920 mm | 920 mm | 920 mm | 920 mm |
| Fuel capacity | 8.5 L | 8.5 L | 8.5 L | 8.5 L | 8.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha WR125X?
The 2015 Yamaha WR125X has a Capacity of 124.7 ccm (7.61 cubic inches).
What engine power does the Yamaha WR125X have?
The 2015 Yamaha WR125X has a Power of 14.8 HP (10.9 kW) @ 9000 RPM.
How many gears does the Yamaha WR125X have?
The 2015 Yamaha WR125X has a Gearbox of 6-speed.
What is the torque of the Yamaha WR125X?
The 2015 Yamaha WR125X has a Torque of 12.2 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 RPM.
How much does the Yamaha WR125X weigh?
The 2015 Yamaha WR125X has a Dry weight of 127.0 kg (280.0 pounds).
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