Yamaha XT125R Specs (Top Speed | Horsepower | Weight)

The Yamaha XT125R motorcycle specifications include a 124 cc (7.57 cu in) engine, power of 9.8 hp (7.1 kW) @ 8,500 rpm, a 5-speed gearbox, and a listed weight of 118 kg (260.1 lb).

Key specifications

2008-2009Model years
124 ccDisplacement
9.8 hpPower
9.5 Nm @ 2,100 rpmTorque
118 kgDry weight
860 mmSeat height
10 LFuel tank
1,335 mmWheelbase
Model years covered
20082009
Year-specific specification changes

The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Frame
2009Diamond shaped
Front suspension
2009Telescopic forks
Front tire
200990/90-S21
Power
20099.8 hp (7.1 kW) @ 10,000 rpm
Rear suspension
2009Swingarm
Rear tire
2009120/80-S18
Torque
200910.1 Nm (1.0 kgf-m or 7.4 ft.lbs)
Front wheel travel
2009170 mm (6.7 inches)
Fuel capacity
20099.00 L (2.38 US gal)
Overall length
20092,110 mm (83.1 inches)
Overall width
2009800 mm (31.5 inches)
Rear wheel travel
2009190 mm (7.5 inches)
Starter
2009Electric & kick

How the Yamaha XT125R 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 power9.8 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp

About 82% lower than the Yamaha database average. Around the 15th percentile across Yamaha models.

Displacement124 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 77% lower than the Yamaha database average. Around the 18th percentile across Yamaha models.

Seat height860 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 8% taller than the Yamaha database average. Around the 86th percentile across Yamaha models.

Fuel capacity10 L
Low 4 LAverage 13 LHigh 24 L

About 23% smaller than the Yamaha database average. Around the 35th 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 power15th

9.8 hp — more powerful than about 15% of Yamaha models with power data.

Displacement18th

124 cc — larger displacement than about 18% of Yamaha models.

Seat height86th

860 mm — taller than about 86% of Yamaha models.

Fuel capacity35th

10 L — larger than about 35% 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 length1,995 mm
This bike

1,995

Yamaha avg

2,082

4% below average.

Overall width840 mm
This bike

840

Yamaha avg

823

Close to average.

Wheelbase1,335 mm
This bike

1,335

Yamaha avg

1,416

6% below average.

Seat height860 mm
This bike

860

Yamaha avg

793

8% above average.

Ground clearance220 mm
This bike

220

Yamaha avg

181

22% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 124 cc • Air cooled • 9.8 hp
Chassis snapshot

Wheelbase 1,335 mmSeat 860 mmClearance 220 mm
5-speed • 90/90-21 front / 120/80-18 rear

Additional useful specifications

Front tire size 90/90-21
Rear tire size 120/80-18
Front tire width 90 mm
Front tire aspect ratio 90%
Front rim diameter 21 in
Rear tire width 120 mm
Rear tire aspect ratio 80%
Rear rim diameter 18 in
Power-to-weight ratio 0.083 hp/kg
Power-to-weight 83.1 hp/tonne
Specific power 79.0 hp/L
Bore/stroke ratio 1.00:1 (Square)

Model information

Category Super motard

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 124 cc (7.57 cu in)
Power 9.8 hp (7.1 kW) @ 8,500 rpm
Torque 9.5 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 2,100 rpm
Bore × stroke 54.0 x 54 mm (2.1 x 2.1 inches)
Compression ratio 10.0:1
Cooling system Air
Starter Electric
Lubrication Wet sump

Transmission and drivetrain

Gearbox 5-speed
Clutch Wet, multiple disc

Chassis and suspension

Frame
Front suspension Hydraulic telescopic forks
Rear suspension Monocross
Front wheel travel 130 mm (5.1 inches)
Rear wheel travel 120 mm (4.7 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 90/90-21
Rear tire 120/80-18

Dimensions and weight

Dry weight 118 kg (260.1 lb)
Seat height 860 mm (33.9 inches)
Overall length 1,995 mm (78.5 inches)
Overall width 840 mm (33.1 inches)
Wheelbase 1,335 mm (52.6 inches)
Ground clearance 220 mm (8.7 inches)

Fuel and emissions

Fuel capacity 10.00 L (2.64 US gal)

Performance

Power/weight ratio 0.0829 hp/kg

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.