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Sport · 2010

ZN 125-4

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MotoLibrary Score
36 /100 Commuter
Power/Weight
0.09 hp/kg
Top Speed
90 km/h
Torque
8 Nm
Engine
124 ccm

2010 Znen ZN 125-4 Technical Analysis & Specification Breakdown

Built around Znen's sport motorcycle platform, the 2010 Znen ZN 125-4 features a 124 cc (7.6 cu in) single cylinder, four-stroke configuration. In factory specification, peak output is rated at 11 HP (8.1 kW) at 10,500 rpm while maximum torque reaches 8.2 Nm (6 lb-ft) at 8,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 88.7 HP per liter and a 2,000 rpm working window between peak torque (8,500 rpm) and peak power (10,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the ZN 125-4 measures 120 kg (265 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (10.91 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,400 mm (55.1 in) wheelbase engineered for quick, flickable steering geometry.

Specific Output
88.7 HP/L
Power-to-Weight
0.09 HP/kg (10.91 kg/HP)
Power Band Window
8,500–10,500 rpm
Engine
Displacement 124.0 ccm (7.57 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 11.0 HP (8.1 kW)) @ 10500 RPM
Torque 8.2 Nm (0.8 kgf-m or 6.0 ft.lbs) @ 8500 RPM
Fuel System Carburettor
Ignition CDI
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 90.0 km/h (55.9 mph)
Chassis
Wheelbase 1400 mm (55.1 inches)
Wheels & Brakes
Front Brakes Single disc
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 120.0 kg (264.6 pounds)
Power/Weight 0.0920 HP/kg
Overall Height 1020 mm (40.2 inches)
Overall Length 2040 mm (80.3 inches)
Overall Width 750 mm (29.5 inches)
Other
Color Options Yellow/black
Notes

Made by ZhongNeng, China.

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Power
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Weight
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Brakes
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Rider Profile

Who Is This Bike For?

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Beginner
A2 license compatible, manageable power.
🏁
Best For
Sport & Track
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Handling
Very lightweight — easy to handle
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