The Yamaha DragStar 400 motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 30 hp (21.9 kW) @ 7,500 rpm, a 5-speed gearbox, and a listed weight of 234 kg (515.9 lb).
Key specifications
How the Yamaha DragStar 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 44% lower than the Yamaha database average. Around the 44th percentile across Yamaha models.
About 27% lower than the Yamaha database average. Around the 48th percentile across Yamaha models.
About 26% heavier than the Yamaha database average. Around the 76th percentile across Yamaha models.
About 10% lower than the Yamaha database average. Around the 17th 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.
30 hp — more powerful than about 44% of Yamaha models with power data.
399 cc — larger displacement than about 48% of Yamaha models.
234 kg — heavier than about 76% of Yamaha models, or lighter than about 24%.
710 mm — taller than about 17% 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.
2,450
2,082
18% above average.
1,100
1,172
6% below average.
1,625
1,416
15% above average.
710
793
10% below average.
140
181
23% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 130/90-16M |
|---|---|
| Rear tire size | 170/80-15M |
| Engine oil capacity | 3.20 L (3.38 US qt) |
| Estimated theoretical fuel range | 586 km |
| Power-to-weight ratio | 0.128 hp/kg |
| Power-to-weight | 128.2 hp/tonne |
| Specific power | 75.2 hp/L |
| Bore/stroke ratio | 1.24:1 (Oversquare) |
Model information
| Year released | 2015 |
|---|---|
| Category | Custom / cruiser |
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 30 hp (21.9 kW) @ 7,500 rpm |
| Torque | 31.6 Nm (3.2 kgf-m or 23.3 ft.lbs) @ 6,250 rpm |
| Bore × stroke | 68.0 x 55 mm (2.7 x 2.2 inches) |
| Compression ratio | 9.7:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
| Oil capacity | 3.20 L (3.38 US qt) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
| Clutch | Wet multiple plate coil springs |
Chassis and suspension
| Frame | Steel, double cradle |
|---|---|
| Front suspension | Telescopic |
| Rear suspension | Swing arm |
| 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 | 130/90-16M |
| Rear tire | 170/80-15M |
Dimensions and weight
| Wet weight | 234 kg (515.9 lb) |
|---|---|
| Seat height | 710 mm (28.0 inches) |
| Overall length | 2,450 mm (96.5 inches) |
| Overall height | 1,100 mm (43.3 inches) |
| Wheelbase | 1,625 mm (64.0 inches) |
| Ground clearance | 140 mm (5.5 inches) |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|---|
| Fuel consumption | 2.56 L/100 km (39.1 km/l or 91.88 mpg) |
| Greenhouse gases | 59.4 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Electrical and instruments
| Electrical | 12V 8.6Ah battery |
|---|---|
| Lights | Halogen headlight 60W |
Other specifications
| Color options | Black |
|---|---|
| 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.