Comparison of Yamaha SR400 2017 and Yamaha YZF-R3 2019 [S]ave
| Attribute |  Yamaha YZF-R3 2019 × |  Yamaha SR400 2017 × |
|---|---|---|
| General | ||
| Production from (year) | 2019 | 2017 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZF-R3 | Yamaha SR400 |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 2 |
| Fuel system | Injection. Fuel Injection with YCC-T and YCC-I | Injection |
| Engine details | All-aluminum DiASil cylinder | - |
| Displacement (cm³) | 321 | 399 |
| Power (kw) | 30.7 | 16.7 |
| Fuel consumption (l/100km) | 4.2 | 3.56 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 29.6 | 27.4 |
| Bore (mm) | 68 | 87 |
| Stroke (mm) | 44.1 | 62.7 |
| Gearbox | 6-speed | 5-speed |
| Greenhouse gases | 97.4 CO2 g/km. (CO2 - Carbon dioxide emission) | 82.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Single Overhead Cams (SOHC) |
| Driveline | Constant mesh | - |
| Ignition | TCI: Transistor Controlled Ignition | TCI: Transistor Controlled Ignition |
| Clutch | Multiplate clutch | Wet, Multiple Disc |
| Lubrication system | - | Wet-sump |
| Compression | 11.2:1 | 8.5:1 |
| Chassis | ||
| Front suspension | Inverted telescopic fork | Telescopic |
| Rear suspension | Monocross single shock, adjustable preload | Swingarm |
| Front brakes | Single disc. Optional ABS. | Single disc. Hydraulic. |
| Rear brakes | Single disc. Optional ABS. | Expanding brake (drum brake) |
| Diameter (mm) | 220 | 150 |
| Frame type | Diamond, steel frame and swingarm | Steel Double Cradle |
| Front tyre | 110/70-17 | 90/100-18 |
| Rear tyre | 140/70-17 | 110/90-18 |
| Wheels | - | Wire spoked |
| Front wheel travel (mm) | 130 | 150 |
| Rear wheel travel (mm) | 124 | 104 |
| Trail (mm) | 94 | 112 |
| Rake (fork angle) (degree) | 25 | 27.7 |
| Other | ||
| Starter | Electric | Kick |
| Color options |
|
|
| Instruments | Multifunction digital and analog instrumentation features: programmable shift light, digital speedometer, analog tachometer | - |
| Dimensions | ||
| Wheelbase (mm) | 1,379 | 1,410 |
| Kerb weight (kg) | 166.9 | 174.2 |
| Overall height (mm) | 1,140 | 1,095 |
| Overall length (mm) | 2,090 | 2,085 |
| Overall width (mm) | 729 | 749 |
| Seat height (mm) | 780 | 785 |
| Performance | ||
| Fuel capacity (l) | 14 | 12.11 |
| Oil capacity (l) | 2.6 | 2.4 |
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