At the heart of the 2021 Csc Motorcycles SG400 naked motorcycle, Csc features a 378 cc (23.1 cu in) liquid-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 48.5 HP (35.4 kW) at 9,000 rpm while maximum torque reaches 35 Nm (25.8 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 128.3 HP per liter and a 2,500 rpm working window between peak torque (6,500 rpm) and peak power (9,000 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the Motorcycles SG400 measures 184 kg (406 lbs) wet (curb), translating to a power-to-weight ratio of 0.26 HP/kg (3.79 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,380 mm (54.3 in) wheelbase engineered for quick, flickable steering geometry. The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).
Specific Output
128.3 HP/L
Power-to-Weight
0.26 HP/kg (3.79 kg/HP)
Power Band Window
6,500–9,000 rpm
Engine
Displacement378.0 ccm (23.07 cubic inches)
Engine TypeTwin, four-stroke
Power48.5 HP (35.4 kW)) @ 9000 RPM
Torque35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6500 RPM
Bore x Stroke66.0 x 55.2 mm (2.6 x 2.2 inches)
Fuel SystemCarburettor
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Performance
Top Speed154.5 km/h (96.0 mph)
ExhaustBlack megaphone steel
Chassis
Frame TypeRobotically welded steel tube
Rake25.0°
Trail99 mm (3.9 inches)
Front SuspensionInverted forks 41mm
Rear SuspensionPreload-adjustable dual shocks
Rear Travel61 mm (2.4 inches)
Wheelbase1380 mm (54.3 inches)
Ground Clearance145 mm (5.7 inches)
Wheels & Brakes
Front Tyre120/70-17
Rear Tyre150/70-17
Front BrakesDouble disc. ABS
Front Brake Ø305 mm (12.0 inches)
Rear BrakesSingle disc
Rear Brake Ø240 mm (9.4 inches)
WheelsSpoked wheel
Dimensions & Weight
Weight incl.184.0 kg (405.7 pounds)
Overall Height1120 mm (44.1 inches)
Overall Length2065 mm (81.3 inches)
Overall Width810 mm (31.9 inches)
Fuel Capacity19.00 litres (5.02 US gallons)
Other
StarterElectric
Color OptionsMetallic Gray Gloss, Sinister Matte Black
Warranty12-month unlimited mileage
Notes
Brand previously called California Scooters. Bike imported from China.
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.
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.
