The Kawasaki Z125 motorcycle specifications include a 125 cc (7.63 cu in) engine, a 4-speed gearbox, and a listed weight of 102 kg (224.8 lb).
Key specifications
2017, 2019, 2020, 2021, 2022, 2023Model years
125 ccDisplacement
9.5 Nm @ 6,000 rpmTorque
102 kgWet weight
805 mmSeat height
7.6 LFuel tank
1,176 mmWheelbase
155 mmGround clearance
Model years covered
201720192020202120222023
Year-specific specification changes
The 2017 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
2019202358.0 x 47.2 mm (2.3 x 1.9 inches)
Compression ratio
2019202311.7:1
Frame
20192023Tubular diamond, steel
Front brakes
20192021Single disc. Petal style disc
20222023Single disc. Petal style disc. Dual piston. ABS.
Front suspension
20192021Telescopic fork
20222023Telescopic fork, 37mm
Front tire
2019100/80-17M
20202023100/80-17
Fuel system
20202021Injection. DFI® with 24mm throttle bodies
20222023Injection. 28mm
Gearbox
202220236-speed
Rear brakes
20192021Single disc. Petal style disc
20222023Single disc. Petal style disc. Dual piston. ABS.
Rear suspension
2019Uni-Trak, gas-charged shock with adjustable preload
20222023Uni-Trak, gas-charged shock with adjustable preload
Rear tire
2019130/70-17M
20202023130/70-17
Torque
2019202311.7 Nm (1.2 kgf-m or 8.6 ft.lbs) @ 7,700 rpm
Wet weight
20192021146 kg (321.9 lb)
20222023147 kg (324.1 lb)
Wheelbase
20191,330 mm (52.4 inches)
202120231,330 mm (52.4 inches)
Cooling system
20202023Liquid
Front wheel travel
20212023110 mm (4.3 inches)
Fuel capacity
2019202311.00 L (2.91 US gal)
Fuel control
20202023Double Overhead Cams/Twin Cam (DOHC)
Ground clearance
20192023185 mm (7.3 inches)
Ignition
20202021TCBI w/electronic advance
Overall height
201920231,015 mm (40.0 inches)
Overall length
201920231,935 mm (76.2 inches)
Overall width
20192023740 mm (29.1 inches)
Rear wheel travel
20212023120 mm (4.7 inches)
Seat height
20192023815 mm (32.1 inches)
Trail
2020202390 mm (3.5 inches)
Valves per cylinder
202220234
Additional useful specifications
| Front tire size | 100/90-12 |
|---|---|
| Rear tire size | 120/70-12 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 12 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 70% |
| Rear rim diameter | 12 in |
| Bore/stroke ratio | 1.11:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 125 cc (7.63 cu in) |
| Torque | 9.5 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 56.0 x 50.6 mm (2.2 x 2.0 inches) |
| Compression ratio | 9.8:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | Magneto DC-CDi |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc |
Chassis and suspension
| Frame | Backbone |
|---|---|
| Front suspension | Upside down telescopic |
| Rear suspension | Swingarm, single shock |
| Front wheel travel | 99 mm (3.9 inches) |
| Rear wheel travel | 104 mm (4.1 inches) |
| Rake | 26.0° |
| Trail | 69 mm (2.7 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 100/90-12 |
| Rear tire | 120/70-12 |
Dimensions and weight
| Wet weight | 102 kg (224.8 lb) |
|---|---|
| Seat height | 805 mm (31.7 inches) |
| Overall length | 1,700 mm (66.9 inches) |
| Overall width | 749 mm (29.5 inches) |
| Overall height | 1,006 mm (39.6 inches) |
| Wheelbase | 1,176 mm (46.3 inches) |
| Ground clearance | 155 mm (6.1 inches) |
Fuel and emissions
| Fuel capacity | 7.57 L (2.00 US gal) |
|---|
Other specifications
| Color options | Candy Lime Green |
|---|---|
| Price as new | US$ 2999. MSRP depends on country, taxes, accessories, etc. |
| Comments | Sold in Asia. |
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.