Positioned in Brixton's enduro - offroad motorcycle lineup, the 2019 Brixton BX 125 Haycroft relies on a 124.8 cc (7.6 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 11.1 HP (8.1 kW) at 9,000 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 88.9 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the BX 125 Haycroft measures 134 kg (295 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.07 kg per horsepower).
Within MotoLibrary's Brixton archive, this model family spans 2 indexed model years from 2018 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
88.9 HP/L
Power-to-Weight
0.08 HP/kg (12.07 kg/HP)
Engine
Displacement124.8 ccm (7.62 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power11.1 HP (8.1 kW)) @ 9000 RPM
Fuel SystemInjection
IgnitionECU
CoolingAir
Transmission
Final DriveChain (final drive)
Performance
Fuel Consumption2.70 litres/100 km (37.0 km/l or 87.12 mpg)
Greenhouse Gases62.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
