Yamaha WR 125X Specs (Top Speed | Horsepower | Weight)

The Yamaha WR 125X motorcycle specifications include a 124.7 cc (7.61 cu in) engine, power of 14.8 hp (10.8 kW), a 6-speed gearbox, and a listed weight of 137 kg (302 lb).

Key specifications

2010Year released
125 ccDisplacement
14.8 hpPower
12.2 NmTorque
137 kgWet weight
920 mmSeat height
8.5 LFuel tank
1,430 mmWheelbase

How the Yamaha WR 125X 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.

Engine power14.8 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp

About 72% lower than the Yamaha database average. Around the 26th percentile across Yamaha models.

Displacement125 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 77% lower than the Yamaha database average. Around the 20th percentile across Yamaha models.

Wet weight137 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 26% lighter than the Yamaha database average. Around the 31st percentile across Yamaha models.

Seat height920 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 16% taller than the Yamaha database average. Around the 92nd percentile across Yamaha models.

Fuel capacity8.5 L
Low 4 LAverage 13 LHigh 24 L

About 35% smaller than the Yamaha database average. Around the 28th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Engine power26th

14.8 hp — more powerful than about 26% of Yamaha models with power data.

Displacement20th

125 cc — larger displacement than about 20% of Yamaha models.

Wet weight31st

137 kg — heavier than about 31% of Yamaha models, or lighter than about 69%.

Seat height92nd

920 mm — taller than about 92% of Yamaha models.

Fuel capacity28th

8.5 L — larger than about 28% 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.

Overall length2,095 mm
This bike

2,095

Yamaha avg

2,082

Close to average.

Overall width835 mm
This bike

835

Yamaha avg

823

Close to average.

Overall height1,165 mm
This bike

1,165

Yamaha avg

1,172

Close to average.

Wheelbase1,430 mm
This bike

1,430

Yamaha avg

1,416

Close to average.

Seat height920 mm
This bike

920

Yamaha avg

793

16% above average.

Ground clearance255 mm
This bike

255

Yamaha avg

181

41% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 125 cc • Liquid cooled • 14.8 hp
Chassis snapshot

Wheelbase 1,430 mmSeat 920 mmClearance 255 mm
6-speed • Chain (final drive) • 110/70-M17 front / 140/70-M17 rear

Additional useful specifications

Front tire size 110/70-M17
Rear tire size 140/70-M17
Engine oil capacity 1.20 L (1.27 US qt)
Power-to-weight ratio 0.108 hp/kg
Power-to-weight 108.0 hp/tonne
Specific power 118.7 hp/L
Bore/stroke ratio 0.89:1 (Undersquare)

Model information

Year released 2010

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 124.7 cc (7.61 cu in)
Power 14.8 hp (10.8 kW)
Torque 12.2 Nm (1.2 kgf-m or 9.0 ft.lbs)
Bore × stroke 52.0 x 58.6 mm (2.0 x 2.3 inches)
Compression ratio 11.2:1
Cooling system Liquid
Fuel system Injection
Fuel control Single Overhead Cams (SOHC)
Ignition TCI (digital)
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 double cradle
Front suspension Telescopic forks
Rear suspension Swingarm (link suspension)
Front wheel travel 240 mm (9.4 inches)
Rear wheel travel 230 mm (9.1 inches)
Trail 79 mm (3.1 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 110/70-M17
Rear tire 140/70-M17

Dimensions and weight

Wet weight 137 kg (302 lb)
Seat height 920 mm (36.2 inches)
Overall length 2,095 mm (82.5 inches)
Overall width 835 mm (32.9 inches)
Overall height 1,165 mm (45.9 inches)
Wheelbase 1,430 mm (56.3 inches)
Ground clearance 255 mm (10.0 inches)

Fuel and emissions

Fuel capacity 8.50 L (2.25 US gal)

Other specifications

Color options Blue, black

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.