Engineered by Keeway for the sport motorcycle segment, the 2008 Keeway Supershadow 250 features a 248 cc (15.1 cu in) air-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 17.7 HP (12.9 kW) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox. With a specific output of 71.4 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 Supershadow 250 measures 140 kg (309 lbs) dry, translating to a power-to-weight ratio of 0.13 HP/kg (7.91 kg per horsepower). The 9-liter (2.4 US gal) fuel tank paired with a rated consumption of 3 L/100 km provides an estimated theoretical range of roughly 300 km (186 miles) between fill-ups.
Within MotoLibrary's Keeway archive, this model family spans 2 indexed model years from 2008 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
71.4 HP/L
Power-to-Weight
0.13 HP/kg (7.91 kg/HP)
Theoretical Range
~300 km (186 mi)
Engine
Displacement248.0 ccm (15.13 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Power17.7 HP (12.9 kW)) @ 7500 RPM
Fuel SystemCarburettor
CoolingAir
Transmission
Gearbox5-speed
Performance
Fuel Consumption3.00 litres/100 km (33.3 km/l or 78.41 mpg)
Greenhouse Gases69.6 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.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
