2012Yamaha WR125X

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The 2012 Yamaha WR125X is a lightweight supermoto designed for novice riders and urban commuters seeking nimble handling and easy maneuverability. Powered by a 125cc liquid-cooled four-stroke engine producing 14.75 horsepower, it excels in tight city environments and off-road terrain. Known for its approachable performance and reliability, the WR125X offers practical transportation with genuine dirt bike capability.

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

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What’s new for the 2012 Yamaha WR125X

vs the 2011

Spec	2011	2012
Power	14.8 HP (10.9 kW)	14.8 HP (10.9 kW) @ 9000 RPM
Torque	12.2 Nm (1.2 kgf-m or 9.0 ft.lbs)	12.2 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 RPM
Rear suspension	Swingarm link suspension	Swingarm, link suspension, Monoshock
Front brakes	Single disc	Single disc. Hydraulic
Rear brakes	Single disc	Single disc. Hydraulic

Other years 2009 2010 2011 2012 2013 2014 2015 2016 2017

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail40%

Cornering68%

City riding80%

Daily riding55%

Touring22%

Two-up25%

Track35%

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?

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Your height

Inseam (optional)

Units

At 920mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2012 Yamaha WR125X, with a relaxed knee angle of around 150 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine

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: Digital
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	2012	2013	2015	2017
Capacity	125 cc	125 cc	125 cc	125 cc	125 cc	125 cc
Dry weight	127 kg	127 kg	127 kg	127 kg	127 kg	127 kg
Seat height	920 mm	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	8.5 L