These are the known mechanical and performance specifications for your 2021 UM Xtreet 140 R.
ModelUM Xtreet 140 R
Displacement137.0 ccm (8.36 cubic inches)
DetailsSingle cylinder, four-stroke
Bore/Stroke57.0 x 54.0 mm (2.2 x 2.1 inches)
Horespower10.7 HP (7.8 kW) @ 8000 RPM
Torque10.5 Nm (1.1 kgf-m or 7.7 ft.lbs) @ 6000 RPM
Fuel Economy & Polution
Fuel Capacity15.50 litres (4.10 US gallons)
Front SuspensionHydraulic Telescopic
Rear Suspension2 hydraulic shocks with gas
Seat Height870 mm (34.3 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1000 mm (39.4 inches)
Total Length2000 mm (78.7 inches)
Wheelbase1350 mm (53.1 inches)
Dry Weight122.0 kg (269.0 pounds)
Wheels & Brakes
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
It appears you're interested in specifications for the UM Xtreet 140 R. This Sport model is powered by a Single cylinder, four-stroke engine with 137.0 ccm (8.36 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via allowing this machine to produce its 10.7 HP (7.8 kW) @ 8000 RPM horsepower and 10.5 Nm (1.1 kgf-m or 7.7 ft.lbs) @ 6000 RPM torque. According to our records engine heat of the UM Xtreet 140 R is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 110/70-17 and the rear is 130/70-17 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The UM Xtreet 140 R was launched in 2021, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.