Comparison of Xingyue XY 400 GY Speed Bike 2010 and Yamaha Serow 250 2012 [S]ave
| Attribute |  Xingyue XY 400 GY Speed Bike 2010 × |  Yamaha Serow 250 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2012 |
| Make | Xingyue | Yamaha |
| Model | Xingyue XY 400 GY Speed Bike | Yamaha Serow 250 |
| Category | Custom / cruiser | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor | Injection |
| Displacement (cm³) | 386 | 249 |
| Power (kw) | 21.5 | 13.1 |
| Fuel consumption (l/100km) | - | 2.5 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | - | 19 |
| Bore (mm) | 91 | 74 |
| Stroke (mm) | 59.5 | 58 |
| Gearbox | - | 6-speed |
| Greenhouse gases | - | 58.0 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | C.D.I. | TCI |
| Clutch | - | Wet, multiplate |
| Lubrication system | - | Wet sump |
| Compression | - | 9.5:1 |
| Chassis | ||
| Front suspension | - | Telescopic forks |
| Rear suspension | - | Monocross |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Frame type | - | Semi-double craddle |
| Front tyre | 110/90-16 | 2.75-21 |
| Rear tyre | 140/70-16 | 120/80-18 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Instruments | - | Digital speedometer |
| Dimensions | ||
| Wheelbase (mm) | 1,455 | 1,360 |
| Dry weight (kg) | 161 | 130 |
| Power/weight ratio | 0.1335 | 0.1008 |
| Overall length (mm) | 2,110 | 2,070 |
| Overall width (mm) | 825 | 805 |
| Seat height (mm) | 820 | 810 |
| Ground clearance (mm) | 180 | 285 |
| Performance | ||
| Fuel capacity (l) | 22 | 9.6 |
| Oil capacity (l) | - | 1.4 |
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