2021 UM DSR SM. Image credits - UM.
UM's profilation of this bike
Whether you’re spraying sand high and wide on a hairpin switchback or dodging traffic in the urban underbrush the DSR SM 125 is a supermotard beast.
General information
Model
UM DSR SM
Year model
2021
Type
Super motard
Rating
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Engine and transmission
Engine size
124.2 ccm (7.58 cubic inches)
Type of engine
Single cylinder, four-stroke
Effect
14.8 HP (10.8 kW )) @ 10500 RPM
Torque
10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM
Compression
12.8:1
Bore x stroke
58.0 x 47.0 mm (2.3 x 1.9 inches)
Valves per cylinder
4
Fuel system
Injection. Marelli
Ignition
CDI
Cooling system
Liquid
Gearbox
6-speed
Transmission type
Chain (final drive)
Emission details
Euro IV
Chassis, suspension, brakes and wheels
Frame type
Steel
Front suspension
Hydraulic Telescopic
Front wheel travel
245 mm (9.6 inches)
Rear suspension
Monoshock with adjustable preload
Rear wheel travel
225 mm (8.9 inches)
Front tire
110/80-17
Rear tire
130/70-17
Front brakes
Single disc. Wave disc. Hydraulic.
Diameter
300 mm (11.8 inches)
Rear brakes
Single disc. Wave disc. Hydraulic.
Diameter
220 mm (8.7 inches)
Physical measures and capacities
Dry weight
121.0 kg (266.8 pounds)
Power/weight ratio
0.1219 HP/kg
Seat height
880 mm (34.6 inches) If adjustable, lowest setting.
Overall height
1400 mm (55.1 inches)
Overall length
2182 mm (85.9 inches)
Overall width
808 mm (31.8 inches)
Ground clearance
230 mm (9.1 inches)
Wheelbase
1445 mm (56.9 inches)
Fuel capacity
5.26 litres (1.39 US gallons)
Other specifications
Color options
Black/Red, Red/Black, White/Orange
Starter
Electric & kick
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Further information
Insurance costs Compare US insurance quotes from the nation's top providers. Maintenance Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. Ask questions Join the 21 UM DSR SM discussion group or the general UM discussion group. Related bikes List related bikes for comparison of specs.
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