Key performance

13 ch
Power
🔧
124 cc
Displacement
⚖️
131 kg
Weight
🏎️
95 km/h
Top speed
💺
820 mm
Seat height
17.0 L
Fuel capacity
Compare the CZ 125 with: Choose a motorcycle →

Technical specifications

Changements 2001 2014
Displacement
123 cc 124 cc
Power
10.0 ch @ 5500 tr/min (7.3 kW) 12.6 ch @ 8200 tr/min (9.2 kW)
Torque
9.2 Nm @ 7000 tr/min
Engine type
Single cylinder, two-stroke Single cylinder, four-stroke
Cooling
Air
Fuel system
Carburettor
Valve timing
Single Overhead Cams (SOHC)
Starter
Electric
Frame
Steel
Final drive
Chain   (final drive)
Front suspension
Telescopic forks
Rear suspension
Hydraulic telescopic
Front wheel travel
150 mm (5.9 inches)
Rear wheel travel
70 mm (2.8 inches)
Front brakes
Single disc Single disc. Hydraulic
Rear brakes
Expanding brake (drum brake)
Front tyre
3.00-18
Rear tyre
3.50-16
Seat height
850.00 mm 820.00 mm
Wheelbase
1370.00 mm
Fuel capacity
17.00 L
Weight
131.00 kg
Dry weight
126.00 kg 115.00 kg

Engine

Displacement
124 cc
Power
12.6 ch @ 8200 tr/min (9.2 kW)
Torque
9.2 Nm @ 7000 tr/min
Engine type
Single cylinder, four-stroke
Cooling
Air
Fuel system
Carburettor
Valve timing
Single Overhead Cams (SOHC)
Starter
Electric

Chassis

Frame
Steel
Gearbox
5-speed
Final drive
Chain   (final drive)
Front suspension
Telescopic forks
Rear suspension
Hydraulic telescopic
Front wheel travel
150 mm (5.9 inches)
Rear wheel travel
70 mm (2.8 inches)

Brakes

Front brakes
Single disc. Hydraulic
Rear brakes
Expanding brake (drum brake)
Front tyre
3.00-18
Rear tyre
3.50-16

Dimensions

Seat height
820.00 mm
Wheelbase
1370.00 mm
Fuel capacity
17.00 L
Weight
131.00 kg
Dry weight
115.00 kg

Overview

In 2014, releasing a 125cc carbureted sportbike with a rear drum brake was less of a commercial gamble than an act of resistance. The CZ 125 embraces this status with disarming sincerity. Its air-cooled 124 cm3 four-stroke single cylinder doesn’t promise the moon: 12.6 horsepower at 8200 rpm and 9.2 Nm of torque. These figures evoke another era, one where you learned to modulate the throttle before claiming to be a rider. The steel frame, the 3.00-18 and 3.50-16 chambered tires, the final chain transmission on five gears, everything here breathes simple and robust mechanics.

CZ 125

On the road, this approach finds its justification. With 131 kilograms fully fueled and a seat height of 82 cm, the machine is accessible and extremely maneuverable. The telescopic fork and hydraulic shock absorber provide basic but effective work. The front hydraulic disc brake and rear drum brake are sufficient to control enthusiasm, especially since the top speed peaks around 95 km/h. It’s not a motorcycle for burning down straightaways, but for rediscovering the pleasure of corners taken with gusto, where the low weight and wheelbase of 1370 mm inspire immediate confidence. The 17-liter tank promises considerable range for the segment, highlighting a vocation for use rather than pure performance.

Compared to the Yamaha YZF-R125 or the Aprilia RS4 125 of the time, crammed with electronics and displaying aggressive designs, the CZ 125 appears naive. It doesn’t seek to imitate superbikes, it simply offers an elementary riding experience. The carburetor requires a bit of know-how when starting cold, the tachometer is a suggestion more than a necessity, and the sound of the single cylinder is a discreet purr. It’s a two-wheeled pedagogy, a lesson in applied mechanics that recalls that pleasure can be born of simplicity and lightness.

This atypical sportbike is therefore aimed at the authentic beginner, the one who wants to understand their machine before taming it, or the nostalgic rider seeking a raw sensation. It is the anti-digital camera in a world of smartphones, a machine that doesn’t cheat on its capabilities. It won’t make you a champion, but it might well teach you to love the very essence of motorcycling, where every horsepower counts and every corner is earned. In a market saturated with high-tech clones, the CZ 125 remains, stubbornly, a motorcycle.

Indicators & positioning

Weight-to-power ratio
0.10 ch/kg
🔄
Torque / weight
0.07 Nm/kg
🔧
Volumetric power
101.6 ch/L
In category Sport · 62-248cc displacement (1696 motorcycles compared)
Power 13 ch Top 49%
7 ch median 13 ch 27 ch
Weight 131 kg Lighter than 54%
104 kg median 134 kg 169 kg
P/W ratio 0.10 ch/kg Top 60%
0.07 median 0.10 0.20 ch/kg

Similar bikes

Frequently Asked Questions

Reviews & comments

No reviews yet. Be the first to share your opinion!