Built around Serpento's sport motorcycle platform, the 2021 Serpento Spirit 250 relies on a 249 cc (15.2 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 13.7 HP (10 kW) at 7,500 rpm while maximum torque reaches 14 Nm (10.3 lb-ft) at 6,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 55 HP per liter and a 1,500 rpm working window between peak torque (6,000 rpm) and peak power (7,500 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Spirit 250 measures 138 kg (304 lbs) dry, translating to a power-to-weight ratio of 0.1 HP/kg (10.07 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,350 mm (53.1 in) wheelbase engineered for quick, flickable steering geometry. The 16-liter (4.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 100 km/h (62 mph).
Within MotoLibrary's Serpento archive, this model family spans 2 indexed model years from 2020 to 2021, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
55 HP/L
Power-to-Weight
0.1 HP/kg (10.07 kg/HP)
Power Band Window
6,000–7,500 rpm
Engine
Displacement249.0 ccm (15.19 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power13.7 HP (10.0 kW)) @ 7500 RPM
Torque14.0 Nm (1.4 kgf-m or 10.3 ft.lbs) @ 6000 RPM
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.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
