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Scooter · 2021

QJ125T-2C

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MotoLibrary Score
34 /100 Commuter
Power/Weight
0.08 hp/kg
Torque
9 Nm
Engine
125 ccm

2021 Qjmotor QJ125T-2C Technical Analysis & Specification Breakdown

At the heart of the 2021 Qjmotor QJ125T-2C scooter motorcycle, Qjmotor features a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 8.3 HP (6.1 kW) at 7,500 rpm while maximum torque reaches 9.2 Nm (6.8 lb-ft) at 6,000 rpm, transferring power to the rear wheel through a automatic gearbox and chain final drive. With a specific output of 66.4 HP per liter and a 1,500 rpm working window between peak torque (6,000 rpm) and peak power (7,500 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 QJ125T-2C measures 107 kg (236 lbs) wet (curb), translating to a power-to-weight ratio of 0.08 HP/kg (12.89 kg per horsepower). Rider ergonomics and chassis geometry center around a 750 mm (29.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,276 mm (50.2 in) wheelbase engineered for quick, flickable steering geometry. The 4.8-liter (1.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Specific Output
66.4 HP/L
Power-to-Weight
0.08 HP/kg (12.89 kg/HP)
Power Band Window
6,000–7,500 rpm
Standover Height
750 mm (29.5 in)
Engine
Displacement 125.0 ccm (7.63 cubic inches)
Engine Type Single cylinder, four-stroke
Power 8.3 HP (6.1 kW)) @ 7500 RPM
Torque 9.2 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 6000 RPM
Compression 9.0:1
Bore x Stroke 53.7 x 55.0 mm (2.1 x 2.2 inches)
Fuel System Injection
Fuel Control Single Overhead Cams (SOHC)
Ignition TCI
Lubrication Forced/Splash
Cooling Air
Transmission
Gearbox Automatic
Final Drive Chain (final drive)
Clutch Dry Centrifugal
Chassis
Frame Type Underbone, steel
Front Suspension Telescopic
Front Travel 90 mm (3.5 inches)
Rear Suspension Unit Swing
Rear Travel 72 mm (2.8 inches)
Wheelbase 1276 mm (50.2 inches)
Ground Clearance 135 mm (5.3 inches)
Wheels & Brakes
Front Tyre 100/90-12
Rear Tyre 110/90-12
Front Brakes Single disc. Hydraulic.
Front Brake Ø 190 mm (7.5 inches)
Rear Brakes Single disc. Hydraulic.
Rear Brake Ø 130 mm (5.1 inches)
Dimensions & Weight
Weight incl. 107.0 kg (235.9 pounds)
Seat Height 750 mm (29.5 inches) If adjustable, lowest setting.
Overall Height 1102 mm (43.4 inches)
Overall Length 1840 mm (72.4 inches)
Overall Width 696 mm (27.4 inches)
Fuel Capacity 4.80 litres (1.27 US gallons)
Other
Starter Electric & kick
Color Options Black, red, white, blue
Instruments Digital
Notes

The Chinese firm QJMotor is owned by Qianjiang that has bought Benelli, Keeway, and KSR.

More from Qjmotor
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏙️
Best For
City & Commuting
📏
Seat Height
75 cm / 29.5 in
⚖️
Handling
Very lightweight — easy to handle
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* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

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