The Honda CB400 motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 52.3 hp (38.2 kW) @ 10,500 rpm, a 6-speed gearbox, and a listed weight of 195 kg (429.9 lb).
Key specifications
How the Honda CB400 compares
This compares the motorcycle with all Honda models in this specifications database. The blue marker is this model and the grey line is the Honda database average.
Very close to the Honda database average. Around the 59th percentile across Honda models.
About 29% lower than the Honda database average. Around the 44th percentile across Honda models.
Very close to the Honda database average. Around the 36th percentile across Honda models.
About 34% larger than the Honda database average. Around the 78th percentile across Honda models.
Honda database percentile rankings
Percentiles show where this motorcycle sits across the Honda specifications database. They are descriptive database rankings, not performance ratings.
52.3 hp — more powerful than about 59% of Honda models with power data.
399 cc — larger displacement than about 44% of Honda models.
755 mm — taller than about 36% of Honda models.
18 L — larger than about 78% of Honda fuel tanks in this database.
Dimensions compared with Honda average
Each measurement is compared with the average value across Honda models where that dimension is available.
2,040
2,078
Close to average.
1,150
1,161
Close to average.
1,560
1,431
9% above average.
755
780
3% below average.
130
184
29% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 120/60-ZR17 |
|---|---|
| Rear tire size | 160/60-ZR17 |
| Power-to-weight ratio | 0.268 hp/kg |
| Power-to-weight | 268.2 hp/tonne |
| Specific power | 131.1 hp/L |
| Bore/stroke ratio | 1.31:1 (Oversquare) |
Model information
| Year released | 2014 |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 52.3 hp (38.2 kW) @ 10,500 rpm |
| Torque | 38.0 Nm (3.9 kgf-m or 28.0 ft.lbs) @ 9,500 rpm |
| Bore × stroke | 55.0 x 42 mm (2.2 x 1.7 inches) |
| Compression ratio | 11.3:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection. PGM-FI |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Fully transistorised with electronic advance |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-plate coil spring |
Chassis and suspension
| Front suspension | 41mm Showa telescopic fork with pre-load adjustment; 118mm stroke |
|---|---|
| Rear suspension | Twin remote reservoir Showa shock with spring pre-load adjustment; 105mm travel |
Brakes, wheels and tires
| Front brakes | Double disc. Four-piston Nissin hydraulic callipers. |
|---|---|
| Rear brakes | Single disc. Single-piston Nissin hydraulic calliper. |
| Front tire | 120/60-ZR17 |
| Rear tire | 160/60-ZR17 |
Dimensions and weight
| Dry weight | 195 kg (429.9 lb) |
|---|---|
| Seat height | 755 mm (29.7 inches) |
| Overall length | 2,040 mm (80.3 inches) |
| Overall height | 1,150 mm (45.3 inches) |
| Wheelbase | 1,560 mm (61.4 inches) |
| Ground clearance | 130 mm (5.1 inches) |
Fuel and emissions
| Fuel capacity | 18.00 L (4.76 US gal) |
|---|
Performance
| Power/weight ratio | 0.2682 hp/kg |
|---|
Other specifications
| Color options | Graphite Black two tone, Candy Red two tone, Pearl White two tone |
|---|---|
| Exhaust system | Stainless steel |
| Factory warranty | 24 months |
| Comments | Sold in Japan and Australia. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Honda models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Honda information before relying on them. Visit the official Honda website.