CSC Motorcycles SG400 - 2021 Specifications and Reviews

The 2021 CSC Motorcycles SG400 is a beginner-friendly naked bike powered by a 378cc twin-cylinder engine delivering 48.5 horsepower. It suits new riders seeking affordable, manageable performance with its modest power delivery and accessible riding position. Known for straightforward reliability and classic styling, this entry-level machine offers practical commuting capability with a six-speed transmission and liquid-cooled engine.

2021
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General information

CategoryNaked bike
Year2021
ModelCSC Motorcycles SG400

Engine and Transmission Specifications

Exhaust systemBlack megaphone steel
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemCarburettor
Bore x Stroke66.0 x 55.2 mm (2.6 x 2.2 inches)
Top speed154.5 km/h (96.0 mph)
Torque35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6500 RPM
Power48.5 HP (35.4 kW) @ 9000 RPM
Engine typeTwin, four-stroke
Capacity:378.0 ccm (23.07 cubic inches)

Brakes, suspension, Frame and wheels

WheelsSpoked wheel
Rear brakesSingle disc
Diameter305 mm (12.0 inches)
Front brakesDouble disc. ABS
Rear tire150/70-17
Front tire120/70-17
Rear wheel travel61 mm (2.4 inches)
Rear SuspensionPreload-adjustable dual shocks
Front SuspensionInverted forks 41mm
Trail99 mm (3.9 inches)
Rake (fork angle)25.0°
Frame typeRobotically welded steel tube
 
 

Physical measures and capacities

Fuel capacity19.00 litres (5.02 US gallons)
Wheelbase1380 mm (54.3 inches)
Ground clearance145 mm (5.7 inches)
Overall width810 mm (31.9 inches)
Overall length2065 mm (81.3 inches)
Overall height1120 mm (44.1 inches)
Weight incl. oil, gas, etc184.0 kg (405.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsBrand previously called California Scooters. Bike imported from China.
Factory warranty12-month unlimited mileage
StarterElectric
Color optionsMetallic Gray Gloss, Sinister Matte Black

Performance Profile & Rider Fit

48.5 hp
Peak Power
6.5s
0-60 mph
96 mph
Top Speed

Best For

Track40%
City80%
Cornering70%
Daily Riding75%
Touring35%
Passenger45%

Rider Profile

Best ForA good fit for newer riders or those upgrading from a smaller bike thanks to its light weight and manageable power delivery.
PurposeBest suited to everyday commuting, urban riding, and casual weekend fun rather than serious performance or long-distance travel.
Rider FitIts low weight and modest seat height make it approachable for riders of shorter stature or lighter build.
CharacterA retro-styled, spoked-wheel naked bike with a classic megaphone exhaust that favors charm and simplicity over outright speed.
Not Ideal ForNot the right choice for riders seeking high-speed touring, aggressive track performance, or off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 CSC Motorcycles SG400 is a high-performance motorcycle that offers an incredible riding experience. With its powerful engine and sleek design, this bike is sure to turn heads on the road. The SG400 also handles exceptionally well, making it perfect for both daily commutes and long weekend rides. Whether you're a seasoned rider or a beginner, this motorcycle is a great option for anyone looking for a reliable and stylish bike. In addition to its impressive performance, the 2021 CSC Motorcycles SG400 also boasts a range of advanced features, including a comfortable seat, intuitive controls, and excellent fuel efficiency. With its affordable price point, this bike offers tremendous value for riders looking for a quality motorcycle without breaking the bank. Overall, the SG400 is a fantastic choice for anyone in the market for a new motorcycle, offering a perfect balance of style, performance, and affordability.
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