BamX BX250: history, specs, pictures

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BamX BX250
Manufacturer
Also called BX250-S1 Assault, BX250-U Back Country
Production 2010 - 2012
Engine
single cylinder, four-stroke
Bore / Stroke 71.0mm x 58.0mm
Torque 11.06 ft/lbs (15.0 Nm) @ 5500RPM
Fuel System carburetor
Ignition cdi
Transmission Gear box: 5-speed
Final Drive: shaft drive (cardan)
Suspension Front: independent
Rear: swing arm
Brakes Front: double disc
Rear: single disc
Front Tire 22/8-10
Rear Tire 22/11-10
Wheelbase 1.81 inches (46 mm)
Seat Height 30.0 inches (762 mm)
Weight 365.09 pounds (165.6 Kg) (dry),
Oil Capacity 0.4 Gallon (1.50 Liters)
Fuel Capacity 3.17 Gallon (12.00 Liters)
Manuals Service Manual


The BamX BX250-U Back Country was a single cylinder, four-stroke standard produced by BamX between 2010 and 2012. Max torque was 11.06 ft/lbs (15.0 Nm) @ 5500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 71.0mm bore x 58.0mm stroke result in a displacement of just 230.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 22/8-10 front tire and a 22/11-10 rear tire. Stopping was achieved via double disc in the front and a single disc in the rear. The front suspension was a independent while the rear was equipped with a swing arm. The BX250-U Back Country was fitted with a 3.17 Gallon (12.00 Liters) fuel tank. The bike weighed just 365.09 pounds (165.6 Kg). The wheelbase was 1.81 inches (46 mm) long.