Kawasaki KX125 Specs (Top Speed | Horsepower | Weight)

The Kawasaki KX125 motorcycle specifications include a 124 cc (7.57 cu in) engine, a 6-speed gearbox, and a listed weight of 87 kg (191.8 lb).

Key specifications

2007, 2009Model years
124 ccDisplacement
87 kgDry weight
945 mmSeat height
8.2 LFuel tank
1,470 mmWheelbase
Model years covered
20072009
Year-specific specification changes

The 2007 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Compression ratio
20099.1:1
Front suspension
200936mm inverted telescopic cartridge fork with 18-way compression damping / 10.8 in.
Rear suspension
2009UNI-TRAK® single shock system with 4-way compression and 18-way rebound damping plus adjustable spring preload / 10.8 in.

How the Kawasaki KX125 compares

This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.

Displacement124 cc
Low 84 ccAverage 687 ccHigh 1,700 cc

About 82% lower than the Kawasaki database average. Around the 8th percentile across Kawasaki models.

Seat height945 mm
Low 680 mmAverage 801 mmHigh 955 mm

About 18% taller than the Kawasaki database average. Around the 97th percentile across Kawasaki models.

Fuel capacity8.2 L
Low 3.8 LAverage 15.3 LHigh 24 L

About 46% smaller than the Kawasaki database average. Around the 18th percentile across Kawasaki models.

This model Kawasaki database average

Kawasaki database percentile rankings

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

Displacement8th

124 cc — larger displacement than about 8% of Kawasaki models.

Seat height97th

945 mm — taller than about 97% of Kawasaki models.

Fuel capacity18th

8.2 L — larger than about 18% of Kawasaki fuel tanks in this database.

Dimensions compared with Kawasaki average

Each measurement is compared with the average value across Kawasaki models where that dimension is available.

Overall length2,165 mm
This bike

2,165

Kawasaki avg

2,122

Close to average.

Overall width815 mm
This bike

815

Kawasaki avg

833

Close to average.

Overall height1,265 mm
This bike

1,265

Kawasaki avg

1,175

8% above average.

Wheelbase1,470 mm
This bike

1,470

Kawasaki avg

1,441

Close to average.

Seat height945 mm
This bike

945

Kawasaki avg

801

18% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, two-stroke • 124 cc
Chassis snapshot

Wheelbase 1,470 mmSeat 945 mm
6-speed • 80/100-21 front / 100/90-19 rear

Additional useful specifications

Front tire size 80/100-21
Rear tire size 100/90-19
Front tire width 80 mm
Front tire aspect ratio 100%
Front rim diameter 21 in
Rear tire width 100 mm
Rear tire aspect ratio 90%
Rear rim diameter 19 in
Bore/stroke ratio 0.99:1 (Square)

Engine specifications

Engine type Single cylinder, two-stroke
Displacement 124 cc (7.57 cu in)
Bore × stroke 54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression ratio 10.9:1
Fuel system Carburettor. Mikuni TMX38x
Ignition Digital CDI

Transmission and drivetrain

Gearbox 6-speed

Chassis and suspension

Front suspension 48 mm upside-down cartridge-type telescopic fork with 16-way compression and 16-way rebound damping
Rear suspension New Uni-Trak with adjustable preload, 16-way compression and 16-way rebound damping
Front wheel travel 300 mm (11.8 inches)
Rear wheel travel 310 mm (12.2 inches)
Rake 27.0°
Trail 113 mm (4.4 inches)

Brakes, wheels and tires

Front tire 80/100-21
Rear tire 100/90-19

Dimensions and weight

Dry weight 87 kg (191.8 lb)
Seat height 945 mm (37.2 inches)
Overall length 2,165 mm (85.2 inches)
Overall width 815 mm (32.1 inches)
Overall height 1,265 mm (49.8 inches)
Wheelbase 1,470 mm (57.9 inches)

Fuel and emissions

Fuel capacity 8.20 L (2.17 US gal)

Other specifications

Color options Lime Green

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 Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.