UM Scrambler: history, specs, pictures

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UM Scrambler
Manufacturer
UM
Also called Scrambler Sport, Scrambler X
Production 2018
Engine
single cylinder, four-stroke
Bore / Stroke 52.4mm x 57.8mm
Horsepower 9.52 HP (7.1 KW) @ 9500RPM
Torque 6.79 ft/lbs (9.2 Nm) @ 6000RPM
Fuel System injection. marelli
Ignition cdi
Transmission Gear box: 5-speed
Final Drive: chain
Suspension Front: hydraulic telescopic fork
Rear: single shock
Brakes Front: single disc. hydraulic.
Rear: single disc. hydraulic.
Front Tire 100/90-18
Rear Tire 130/80-17
Wheelbase 52.76 inches (1340 mm)
Length 80.51 inches (2045 mm)
Width 28.35 inches (720 mm)
Height 50.79 inches (1290 mm)
Seat Height 31.1 inches (790 mm)
Weight 286.6 pounds (130.0 Kg) (dry),
Fuel Capacity 2.77 Gallon (10.50 Liters)
Manuals Service Manual


The UM Scrambler Sport was a single cylinder, four-stroke standard produced by UM in 2018. Max torque was 6.79 ft/lbs (9.2 Nm) @ 6000 RPM. Claimed horsepower was 9.52 HP (7.1 KW) @ 9500 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, four-stroke. A 52.4mm bore x 57.8mm stroke result in a displacement of just 124.7 cubic centimeters.

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 100/90-18 front tire and a 130/80-17 rear tire. Stopping was achieved via single disc. hydraulic. in the front and a single disc. hydraulic. in the rear. The front suspension was a hydraulic telescopic fork while the rear was equipped with a single shock. The Scrambler Sport was fitted with a 2.77 Gallon (10.50 Liters) fuel tank. The bike weighed just 286.6 pounds (130.0 Kg). The wheelbase was 52.76 inches (1340 mm) long.