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
General information | |
| Category | Naked bike |
| Year | 2021 |
| Model | CSC Motorcycles SG400 |
Engine and Transmission Specifications | |
| Exhaust system | Black megaphone steel |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Carburettor |
| Bore x Stroke | 66.0 x 55.2 mm (2.6 x 2.2 inches) |
| Top speed | 154.5 km/h (96.0 mph) |
| Torque | 35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6500 RPM |
| Power | 48.5 HP (35.4 kW) @ 9000 RPM |
| Engine type | Twin, four-stroke |
| Capacity: | 378.0 ccm (23.07 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Spoked wheel |
| Rear brakes | Single disc |
| Diameter | 305 mm (12.0 inches) |
| Front brakes | Double disc. ABS |
| Rear tire | 150/70-17 |
| Front tire | 120/70-17 |
| Rear wheel travel | 61 mm (2.4 inches) |
| Rear Suspension | Preload-adjustable dual shocks |
| Front Suspension | Inverted forks 41mm |
| Trail | 99 mm (3.9 inches) |
| Rake (fork angle) | 25.0° |
| Frame type | Robotically welded steel tube |
| | |
Physical measures and capacities | |
| Fuel capacity | 19.00 litres (5.02 US gallons) |
| Wheelbase | 1380 mm (54.3 inches) |
| Ground clearance | 145 mm (5.7 inches) |
| Overall width | 810 mm (31.9 inches) |
| Overall length | 2065 mm (81.3 inches) |
| Overall height | 1120 mm (44.1 inches) |
| Weight incl. oil, gas, etc | 184.0 kg (405.7 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Brand previously called California Scooters. Bike imported from China. |
| Factory warranty | 12-month unlimited mileage |
| Starter | Electric |
| Color options | Metallic 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 For | A good fit for newer riders or those upgrading from a smaller bike thanks to its light weight and manageable power delivery. |
| Purpose | Best suited to everyday commuting, urban riding, and casual weekend fun rather than serious performance or long-distance travel. |
| Rider Fit | Its low weight and modest seat height make it approachable for riders of shorter stature or lighter build. |
| Character | A retro-styled, spoked-wheel naked bike with a classic megaphone exhaust that favors charm and simplicity over outright speed. |
| Not Ideal For | Not 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.
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Rider Reviews
Total comments: 1

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.Add a Comment
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