2017 Z125 PRO

Z125 PRO: The Nimblest Supernaked 

With the compact and lightweight chassis, the Z125 PRO is Kawasaki’s nimblest Supernaked models to date. Ideal for navigating the urban jungle, it comes equipped with features like an inverted front fork, offset laydown rear suspension, and front and rear petal disc brakes – a clear indication of the high level of riding performance intended for these models. With aggressive styling worthy of the “Z” name, reflecting their sharp, sporty performance. The Z125 PRO offers an exciting taste of the Z world.


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Smart Regulator 90
17BR125J Data LS 500

Z Style

The Z125 PRO, riders will find the looks and quality of a much larger bike. Styling emulates the aggressive design of Kawasaki’s other Z models, creating an eye-catching package that appears ready to launch into action even when sitting still.


17BR125J Engine RS 300

Fuel-injected 125 cm³ 4-stroke Single

Designed to have a sporty character, the quick-revving engine pulls smoothly right to its redline. Superior passing performance is handy when riding in city traffic. Simple and reliable air-cooled, SOHC, 2-valve Single revs smoothly to the high-rpm range, with strong acceleration in the everyday range. Maximum power is 7.1 kW (9.6 PS). The Z125 PRO engine is fitted with a high quality oil filter for a longer engine life.


17BR125J Engine LS 300

Fuel Efficent Engine

Fuel injection ensures stable fuel delivery regardless of outside air temperature or atmospheric pressure. It also ensures excellent starting characteristics, whether the engine is hot or cold. 2.6 L air cleaner is positioned above and forward of the cylinder head, contributing to the sporty power feeling and helping to minimise intake noise. The 24 mm diameter throttle body contributes to the quick-revving character. Longnose type injector contributes to the sporty power feeling.

17BR125J gear-lever 300

4 speed Transmission and Manual Clutch 

The Z125 PRO offers an easy to operate manual clutch for those looking to enjoy greater control as they navigate the urban jungle. Link-type shift lever, similar to that found on larger displacement models, reduces the input load required to shift gears. Rider footrest are the same high quality footrest used on the Z300.

Supernaked Performance

Whether navigating city traffic or simply riding for fun, the Z125 PRO is sure to satisfy with it's sporty engine character and light, nimble handling chassis. A compact package adds to both manoeuvrability and easy access, making it highly accommodating bikes for both new riders and those with more experience.

2017 BR125JHF Action 1 500

17BR125J Front Wheel 300

12 inch Cast Wheels and Road Tyres

Cast wheels with road tyres offering good grip in dry and wet conditions not only give the Z125 the look of larger-displacement Supernaked models, the combination contributes to a balance of light, sporty handling and reassuring stability. The 12” cast aluminium wheels reduce unsprung weight, and are fitted with onroad tubeless tyres for great sporty street performance.

Tyre sizes were selected to deliver sporty, nimble handling. Sizes are as follows:
F: 100/90-12 49J
R: 120/70-12 51L

17BR125J Front Brake 300

Front Petal Disc

The Z125 features dual disc brakes, ensuring sure stopping power to match its sporty handling.

The 200 mm diameter front petal disc brake is slowed by a single-piston caliper.


17BR125J Rear Brake 300

Rear Petal Disc

At the rear, a ø184 mm petal disc brake is gripped by a single piston caliper. Petal discs, just like Kawasaki’s large-displacement bikes, contribute to the sporty, supernaked looks.

2017 BR125JHF Action 3 500

Aggressive Z Supernaked styling

Like other models in the Z Series, the Z250SL’s aggressive styling hints at its sporty potential. A dynamic design created by its slim, hourglass figure is complemented by extremely lightweight looks care of sharp, close-fit bodywork and an original trellis frame.
17BR125J Muffler 300

Exhaust and Muffler

Two-piece exhaust system consists of a ø35 mm stainless steel header pipe and sporty silencer. The silencer’s six-sided cross section adds to the sporty looks while contributing to a good bank angle.

17BR125J Headlight 300

Sporty Compact Headlight

Compact headlamp cowl is one of the key styling elements of the aggressive Z design. Sporty, single headlamp design contributes to the bikes’ slim image.
The multi-reflector headlamp throws a clear beam of light, facilitating night-time visibility. Compact engine shrouds contribute to the bike’s hourglass figure as
well as its overall aggressive Supernaked design. The shrouds also offer a degree of mud protection.

17BR125J Taillight 300

Slim Tail Cowl

Sharp taillight design enhances the sporty look of the rear. LED double "Z" pattern.


17BR125J Fuel Tank 300

 7.4 Litre Fuel Tank

Adding to the aggressive Supernaked design, the slim fuel tank is flared at the top edges and slants forward. Ignition switch is located at the front of the tank, adding to the bikes’ sporty, image and a tidy cockpit design.


17BR125J Front Forks 300

30 mm Inverted Fork

30 mm diameter inverted front fork offers excellent rigidity while keeping unsprung weight low for sporty riding potential. It features a lightweight aluminium upper triple clamp and has a long 100 mm stroke. Settings contribute to the Z125’s nimble handling. The inverted fork also contributes to sporty looks.

17BR125J Rear Suspension 300

Offset Laydown Single Shock

Offset laydown rear suspension enables a compact package while contributing to sporty handling. The linkage ratios and shock’s mounting angle were optimised for this model to ensure superb shock action and excellent ride comfort. Rear shock is 4-way preload adjustable, allowing riders to set the preload for their weight, and to adjust for tandem riding.

17BR125J Meter Gear1 300


Instrument console combines a race analogue-style tachometer with a multi-function LCD screen. In addition to premium features like a gear position indicator and fuel gauge, the instruments many functions include  speedometer, clock, odometer and dual trip meters.

17BR125J Seat 300

Thick Padded Seat

Low seat height of only 805 mm makes it easy for riders to reach the ground with their feet, a very important feature for newer riders. Convenient helmet lock provided under the seat.

 17BR125J Lower Cowl 300


Sharp, supernaked style under-cowl with an aggressive chiselled design adds to the sporty image.

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Type Air-cooled, 4-stroke Single
Displacement 125 cm­­­­­³
Bore and Stroke 56.0 x 50.6 mm­
Compression ratio 9.8:1
Valve system SOHC, 2 valves
Fuel system Fuel injection: ø24 mm x 1
Ignition Digital
Starting Electric
Lubrication Forced lubrication, wet sump
Transmission 4-speed, return
Final drive Sealed Chain
Primary reduction ratio

3.409 (75/22)


3.000 (36/12)


1.938 (31/16)


1.350 (27/20)


1.087 (25/23)

Final reduction ratio

2.143 (30/14)

Clutch Wet multi-disc, manual

Backbone high-tensile steel

Wheel travel:
Front 100 mm
Rear 104 mm

100/90-12M/C (49J)

Rear 120/70-12M/C (51L)
Caster (rake) 26°
Trail 69 mm
Steering angle (left/right) 42° / 42°

30 mm inverted fork


Offset laydown  single-shock with adjustable preload


Single 200 mm petal disc


Single-piston caliper


Single 184 mm petal disc


Dual-piston caliper

Overall length

1,700 mm

Overall width

750 mm

Overall height

1,005 mm


1,175 mm

Ground clearance

155 mm

Seat height

805 mm

Curb mass

102 kg

Fuel capacity

7.4 litres


24 months unlimited Kilometres

Maximum power

7.1 kW {9.6 PS} / 8,000 rpm

Maximum torque

9.6 N-žm {0.98 kgf-žm} /6,000 rpm

Maximum Load

160 kg

17BR125J Data RS 200
Candy Lime Green Type 3    


The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets.

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Accessories for BR125JHF 2017 Z125 Pro


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