14 August. Friday 2026
UM Duramax 125 - 2021 Specifications and Reviews
The 2021 UM Duramax 125 is an entry-level sport motorcycle designed for new and novice riders seeking affordable performance. Powered by a reliable 125cc single-cylinder four-stroke engine producing 10.5 horsepower, it delivers accessible everyday riding with modest sporty character. Best known for its budget-friendly approach to sport biking, it excels as a practical commuter and learner bike.
2021
General information | |
| Category | Sport |
| Year | 2021 |
| Model | UM Duramax 125 |
| | |
Engine and Transmission Specifications | |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Ignition | CDI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Carburettor |
| Bore x Stroke | 56.5 x 49.5 mm (2.2 x 1.9 inches) |
| Compression | 9.2:1 |
| Torque | 8.9 Nm (0.9 kgf-m or 6.6 ft.lbs) @ 7200 RPM |
| Power | 10.5 HP (7.7 kW) @ 8600 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Single disc |
| Rear tire | 110/90-16 |
| Front tire | 2.75-18 |
| Rear Suspension | Hydraulic With Spring |
| Front Suspension | Telescopic Fork |
| | |
Physical measures and capacities | |
| Fuel capacity | 10.22 litres (2.70 US gallons) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 1300 mm (51.2 inches) |
| Overall height | 1050 mm (41.3 inches) |
| Seat height | 745 mm (29.3 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0941 HP/kg |
| Dry weight | 112.0 kg (246.9 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric & kick |
| Color options | Red, Blue, Black, White, grey |
Performance Profile & Rider Fit
10.5 hp
Peak Power
Best For
Track15%
City70%
Cornering40%
Daily Riding60%
Touring20%
Passenger25%
Rider Profile
| Best For | This bike suits complete beginners and new riders still building basic skills and confidence. |
| Purpose | It is best suited for short commutes and light urban riding rather than performance or long-distance use. |
| Rider Fit | Its light weight and low seat height make it very manageable for smaller or less experienced riders. |
| Character | It has a modest, low-strung single-cylinder character that favors easy, unintimidating rideability over outright performance. |
| Not Ideal For | It is not for riders seeking real highway speed, off-road capability, or comfortable two-up touring. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 UM Duramax 125 motorcycle is a powerful and reliable option for riders looking for a versatile and efficient bike. With its durable Duramax engine, this motorcycle delivers impressive performance and fuel efficiency. The sleek design and comfortable seating make it perfect for long rides, while the advanced technology and safety features provide added peace of mind for riders. Overall, the 2021 UM Duramax 125 motorcycle is a top choice for riders seeking a dependable and stylish bike. Its impressive engine performance, fuel efficiency, and advanced safety features make it a standout option in the market. Whether you're cruising through the city or hitting the open road, this motorcycle delivers a smooth and enjoyable riding experience.Add a Comment
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