Yamaha WR125X Specs (Top Speed | Horsepower | Weight)

The Yamaha WR125X motorcycle specifications include a 124.7 cc (7.61 cu in) engine, a 6-speed gearbox, and a listed weight of 137 kg (302 lb).

Key specifications

2009, 2011, 2012, 2016, 2017Model years
125 ccDisplacement
12.2 NmTorque
137 kgWet weight
920 mmSeat height
8.5 LFuel tank
1,430 mmWheelbase
255 mmGround clearance
Model years covered
20092011201220162017
Year-specific specification changes

The 2009 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Front brakes
2012Single disc. Hydraulic
Front tire
20112017110/70-17
Rear brakes
2012Single disc. Hydraulic
Rear suspension
20122017Swingarm, link suspension, Monoshock
Rear tire
20112017140/70-17
Torque
2012201712.2 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8,000 rpm
Clutch
20162017Wet, multipate
Engine oil capacity
201120171.20 L (1.27 US qt)
Front wheel travel
20112017210 mm (8.3 inches)
Ignition
2011digital
20162017TCI
Oil capacity
201120171.20 L (1.27 US qt)
Trail
2016201776 mm (3.0 inches)

How the Yamaha WR125X 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.

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.

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 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
Chassis snapshot

Wheelbase 1,430 mmSeat 920 mmClearance 255 mm
6-speed • 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 1.10 L (1.16 US qt)
Bore/stroke ratio 0.89:1 (Undersquare)

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 124.7 cc (7.61 cu in)
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)
Cooling system Liquid
Fuel system Injection
Fuel control Single Overhead Cams (SOHC)
Ignition TCI (digital)
Starter Electric
Lubrication Wet sump
Oil capacity 1.10 L (1.16 US qt)

Transmission and drivetrain

Gearbox 6-speed
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 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)

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.