At the heart of the 2020 Motomel Sirius 150 naked motorcycle, Motomel relies on a 149.5 cc (9.1 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 10.6 HP (7.7 kW) at 7,500 rpm. With a specific output of 70.9 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 Sirius 150 measures 119 kg (262 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (11.23 kg per horsepower). The 16-liter (4.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 90 km/h (56 mph).
Specific Output
70.9 HP/L
Power-to-Weight
0.09 HP/kg (11.23 kg/HP)
Engine
Displacement149.5 ccm (9.12 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power10.6 HP (7.7 kW)) @ 7500 RPM
Compression9.0:1
Bore x Stroke57.0 x 57.9 mm (2.2 x 2.3 inches)
Fuel SystemInjection. CDI
CoolingAir
Performance
Top Speed90.0 km/h (55.9 mph)
Chassis
Front SuspensionTelescopic fork
Rear SuspensionSingle hydraulic shock
Wheels & Brakes
Front Tyre110/70-17
Rear Tyre130/70-17
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight119.0 kg (262.4 pounds)
Power/Weight0.0891 HP/kg
Overall Height1070 mm (42.1 inches)
Overall Length2040 mm (80.3 inches)
Overall Width740 mm (29.1 inches)
Fuel Capacity16.00 litres (4.23 US gallons)
Other
StarterElectric & kick
Color OptionsBlack, Black/Red, Black/White, Black/Blue
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
