What category is the 2021 UM DSRX 140?

The 2021 UM DSRX 140 has a Category of Enduro / offroad.

What is the engine size of the 2021 UM DSRX 140?

The 2021 UM DSRX 140 has a Capacity: of 135.0 ccm (8.24 cubic inches).

What type of engine does the 2021 UM DSRX 140 have?

The 2021 UM DSRX 140 has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2021 UM DSRX 140?

The 2021 UM DSRX 140 has a Power of 10.7 HP (7.8 kW) @ 8500 RPM.

What is the torque of the 2021 UM DSRX 140?

The 2021 UM DSRX 140 has a Torque of 9.7 Nm (1.0 kgf-m or 7.2 ft.lbs) @ 7500 RPM.

Is the 2021 UM DSRX 140 air cooled or liquid cooled?

The 2021 UM DSRX 140 has a Cooling system of Air.

How many gears does the 2021 UM DSRX 140 have?

The 2021 UM DSRX 140 has a Gearbox of 5-speed.

How much does the 2021 UM DSRX 140 weigh?

The 2021 UM DSRX 140 has a Dry weight of 132.0 kg (291.0 pounds).

What is the seat height of the 2021 UM DSRX 140?

The 2021 UM DSRX 140 has a Seat height of 860 mm (33.9 inches) If adjustable, lowest setting..

UM DSRX 140 - 2021 Specifications and Reviews

Name: 2021 UM DSRX 140
Brand: UM

The 2021 UM DSRX 140 is a lightweight enduro bike designed for beginner and intermediate off-road riders seeking affordable trail adventures. Its 135cc single-cylinder engine delivers modest power suitable for learning fundamental dirt-biking skills without overwhelming inexperienced operators. Known for reliable simplicity and budget-friendly pricing, it excels in recreational off-road riding and trail exploration.

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General information
Category	Enduro / offroad
Year	2021
Model	UM DSRX 140
Engine and Transmission Specifications
Emission details	Euro IV
Transmission type	Chain (final drive)
Gearbox	5-speed
Cooling system	Air
Ignition	CDI
Fuel system	Carburettor. PZ26
Bore x Stroke	58.5 x 49.5 mm (2.3 x 1.9 inches)
Compression	9.2:1
Torque	9.7 Nm (1.0 kgf-m or 7.2 ft.lbs) @ 7500 RPM
Power	10.7 HP (7.8 kW) @ 8500 RPM
Engine type	Single cylinder, four-stroke
Capacity:	135.0 ccm (8.24 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes	Expanding brake (drum brake)
Front brakes	Single disc
Rear tire	110/90-17
Front tire	90/90-19
Rear wheel travel	230 mm (9.1 inches)
Rear Suspension	Monoshock with Spring
Front wheel travel	245 mm (9.6 inches)
Front Suspension	Hydraulic Telescopic
Physical measures and capacities
Fuel capacity	6.30 litres (1.66 US gallons)
Wheelbase	1330 mm (52.4 inches)
Ground clearance	240 mm (9.4 inches)
Overall width	810 mm (31.9 inches)
Overall length	2110 mm (83.1 inches)
Overall height	1130 mm (44.5 inches)
Seat height	860 mm (33.9 inches) If adjustable, lowest setting.
Power/weight ratio	0.0812 HP/kg
Dry weight	132.0 kg (291.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric & kick
Color options	Red, Orange, Green, White, Silver

Performance Profile & Rider Fit

10.7 hp

Peak Power

Best For

Track10%

City40%

Cornering35%

Daily Riding35%

Touring20%

Passenger20%

Rider Profile

Best For	This bike suits beginners or those wanting a light, low-powered machine to build confidence on light trails and around town.
Purpose	It is best suited to casual light-duty enduro play and short commutes rather than serious off-road adventure or highway travel.
Rider Fit	Its low weight and modest seat height make it accessible and easy to manage for smaller or less experienced riders.
Character	The small single-cylinder engine and simple carbureted setup give it an approachable, forgiving, and low-stress character.
Not Ideal For	It is not for riders seeking highway speed, long-distance touring comfort, or aggressive off-road performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 UM DSRX 140 Rider Ergonomics Assessment

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Feet:

At 860mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2021 UM DSRX 140, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2021 UM DSRX 140 is a powerful and agile motorcycle that offers a thrilling ride. With a 140cc engine, this bike provides plenty of speed and acceleration for riders who crave excitement on the road. The lightweight design and responsive handling make it easy to maneuver through tight turns and navigate urban streets with ease. Plus, the DSRX 140's sleek and modern aesthetic is sure to turn heads wherever you go. Overall, the 2021 UM DSRX 140 is a fantastic option for motorcycle enthusiasts looking for a fun and reliable ride. Its powerful engine and nimble handling make it a joy to ride, while its stylish design adds to its appeal. Whether you're a seasoned rider or a beginner looking for a thrilling first bike, the DSRX 140 is definitely worth considering.