UM DSRX 150 - 2021 Specifications and Reviews

The 2021 UM DSRX 150 is a lightweight enduro bike designed for novice and recreational riders exploring off-road terrain. Its single-cylinder four-stroke engine delivers modest but reliable power, while the nimble 150cc package excels in tight trails and technical riding. Best suited for learning off-road skills and casual adventure riding on varied terrain.

2021
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General information

CategoryEnduro / offroad
Year2021
ModelUM DSRX 150
 
 

Engine and Transmission Specifications

Emission detailsEuro IV
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemAir
IgnitionCDI
Fuel systemCarburettor. PZ27
Bore x Stroke61.0 x 49.5 mm (2.4 x 1.9 inches)
Compression9.2:1
Torque10.0 Nm (1.0 kgf-m or 7.4 ft.lbs) @ 7500 RPM
Power11.5 HP (8.4 kW) @ 8500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:150.0 ccm (9.15 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake)
Front brakesSingle disc
Rear tire110/90-17
Front tire90/90-19
Rear wheel travel230 mm (9.1 inches)
Rear SuspensionMonoshock with Spring
Front wheel travel245 mm (9.6 inches)
Front SuspensionHydraulic Telescopic
 
 

Physical measures and capacities

Fuel capacity6.30 litres (1.66 US gallons)
Wheelbase1330 mm (52.4 inches)
Ground clearance240 mm (9.4 inches)
Overall width810 mm (31.9 inches)
Overall length2110 mm (83.1 inches)
Overall height1130 mm (44.5 inches)
Seat height860 mm (33.9 inches) If adjustable, lowest setting.
Power/weight ratio0.0873 HP/kg
Dry weight132.0 kg (291.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric & kick
Color optionsRed, Orange, Green, White, Silver

Performance Profile & Rider Fit

11.5 hp
Peak Power

Best For

Track10%
City50%
Cornering40%
Daily Riding45%
Touring25%
Passenger25%

Rider Profile

Best ForThis bike suits beginner to novice riders who want a light, unintimidating machine to build skills on, both on pavement and light trails.
PurposeIt's best suited for casual off-road exploration, commuting on rough roads, and learning basic dirt riding technique rather than any high-speed pursuit.
Rider FitIts low seat height, light dry weight, and narrow build make it accessible to shorter or lighter riders and easy to muscle around at low speeds.
CharacterIt has an approachable, low-stress personality that rewards a relaxed, exploratory riding style rather than aggressive throttle inputs.
Not Ideal ForIt is not suited for riders seeking highway touring comfort, high-speed performance, or serious technical off-road capability given its small engine and drum rear brake.

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

Rider Fit Visualizer

2021 UM DSRX 150 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

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 150, 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
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MotorcycleDB Review

The 2021 UM DSRX 150 motorcycle is a powerful and agile off-road bike that delivers exceptional performance. With its 149cc engine, this bike offers impressive speed and acceleration, making it an ideal choice for adventurous riders. The DSRX 150 also features a lightweight frame and nimble handling, allowing for easy maneuverability on various terrains. Additionally, its rugged design and durable build make it a reliable option for off-road enthusiasts. Overall, the 2021 UM DSRX 150 motorcycle is a top-notch choice for those looking for a capable and reliable off-road bike. Its powerful engine, lightweight design, and agile handling make it a standout option in its class. Whether you're hitting the trails or taking on challenging terrain, the DSRX 150 is sure to deliver a thrilling and satisfying riding experience.
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