The Yamaha DS4 Drag Star Four 400 motorcycle specifications include a 399 cc (24.35 cu in) engine, a 5-speed gearbox, and a listed weight of 225 kg (496 lb).
Key specifications
How the Yamaha DS4 Drag Star Four 400 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 27% lower than the Yamaha database average. Around the 48th percentile across Yamaha models.
About 21% heavier than the Yamaha database average. Around the 73rd percentile across Yamaha models.
About 17% lower than the Yamaha database average. Around the 3rd percentile across Yamaha models.
About 15% larger than the Yamaha database average. Around the 61st percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
399 cc — larger displacement than about 48% of Yamaha models.
225 kg — heavier than about 73% of Yamaha models, or lighter than about 27%.
660 mm — taller than about 3% of Yamaha models.
15 L — larger than about 61% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,340
2,082
12% above average.
840
823
Close to average.
1,065
1,172
9% below average.
1,610
1,416
14% above average.
660
793
17% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 100/90-19 |
|---|---|
| Rear tire size | 170/80-15 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 19 in |
| Rear tire width | 170 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 15 in |
| Engine oil capacity | 3.10 L (3.28 US qt) |
| Estimated theoretical fuel range | 644 km |
| Bore/stroke ratio | 1.24:1 (Oversquare) |
Model information
| Year released | 2011 |
|---|
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Torque | 32.0 Nm (3.3 kgf-m or 23.6 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 68.0 x 55 mm (2.7 x 2.2 inches) |
| Compression ratio | 9.7:1 |
| Cooling system | Air |
| Fuel system | Carburettor. BDS28 |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
| Oil capacity | 3.10 L (3.28 US qt) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
| Clutch | Wet multiple plate coil springs |
Chassis and suspension
| Rake | 35.0° |
|---|---|
| Trail | 153 mm (6.0 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 100/90-19 |
| Rear tire | 170/80-15 |
Dimensions and weight
| Wet weight | 225 kg (496 lb) |
|---|---|
| Dry weight | 209 kg (460.8 lb) |
| Seat height | 660 mm (26.0 inches) |
| Overall length | 2,340 mm (92.1 inches) |
| Overall width | 840 mm (33.1 inches) |
| Overall height | 1,065 mm (41.9 inches) |
| Wheelbase | 1,610 mm (63.4 inches) |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|---|
| Fuel consumption | 2.33 L/100 km (42.9 km/l or 100.95 mpg) |
| Greenhouse gases | 54.1 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Power/weight ratio | 0.1540 hp/kg |
|---|
Other specifications
| Comments | Sold in Japan. |
|---|
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 Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.