The Yamaha DSC4 DragStar Classic Four 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 247 kg (544.5 lb).
Key specifications
How the Yamaha DSC4 DragStar Classic Four 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 33% heavier than the Yamaha database average. Around the 81st 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.
247 kg — heavier than about 81% of Yamaha models, or lighter than about 19%.
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.
930
823
13% above average.
1,100
1,172
6% below average.
1,625
1,416
15% above average.
710
793
10% below average.
145
181
20% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 130/90-16 |
|---|---|
| Rear tire size | 170/80-15 |
| Front tire width | 130 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 16 in |
| Rear tire width | 170 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 15 in |
| Engine oil capacity | 3.20 L (3.38 US qt) |
| Estimated theoretical fuel range | 556 km |
| Power-to-weight ratio | 0.121 hp/kg |
| Power-to-weight | 121.5 hp/tonne |
| Specific power | 75.2 hp/L |
| Bore/stroke ratio | 1.24:1 (Oversquare) |
Model information
| Year released | 2012 |
|---|---|
| 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 | 31.0 Nm (3.2 kgf-m or 22.9 ft.lbs) @ 6,000 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 |
Chassis and suspension
| Frame | Double cradle |
|---|---|
| Front suspension | Telescopic |
| Rear suspension | Swing arm |
| Rake | 35.0° |
| Trail | 145 mm (5.7 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 130/90-16 |
| Rear tire | 170/80-15 |
Dimensions and weight
| Wet weight | 247 kg (544.5 lb) |
|---|---|
| Seat height | 710 mm (28.0 inches) |
| Overall length | 2,450 mm (96.5 inches) |
| Overall width | 930 mm (36.6 inches) |
| Overall height | 1,100 mm (43.3 inches) |
| Wheelbase | 1,625 mm (64.0 inches) |
| Ground clearance | 145 mm (5.7 inches) |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|---|
| Fuel consumption | 2.70 L/100 km (37.0 km/l or 87.12 mpg) |
| Greenhouse gases | 62.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Electrical and instruments
| Electrical | 12V 8.6Ah battery |
|---|---|
| Lights | Halogen bulb 12V, 60W/55W headlight |
Other specifications
| Color options | Black, pearl |
|---|---|
| Seat | Two person seat |
| 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.