| Attribute | Kawasaki J300 2019 × | Yamaha SR400 2015 × |
|---|---|---|
| General | ||
| Production from (year) | 2019 | 2015 |
| Make | Kawasaki | Yamaha |
| Model | Kawasaki J300 | Yamaha SR400 |
| Category | Scooter | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 2 |
| Fuel system | Injection | Injection |
| Displacement (cm³) | 299 | 399 |
| Power (kw) | 19.9 | 16.7 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Chain |
| Torque (Nm) | - | 27.4 |
| Bore (mm) | 72.7 | 87 |
| Stroke (mm) | 72 | 67.2 |
| Gearbox | - | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Ignition | ECU Control (Full transistor) | - |
| Clutch | - | Wet, Multiple Disc |
| Lubrication system | Forced lubrication, wet sump | Wet-sump |
| Compression | 10.8:1 | 8.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic fork |
| Rear suspension | Twin shocks with 5-way adjustable preload | Dual shocks |
| Front brakes | Single disc. Hydraulic. Two-piston calipers. Optional ABS. | Single disc |
| Rear brakes | Single disc. Two-piston calipers. | Expanding brake (drum brake) |
| Diameter (mm) | 240 | 130 |
| Frame type | Tubular diamond, steel | Steel Double Cradle |
| Front tyre | 120/80-14M/C58S | 90/100-18 |
| Rear tyre | 150/70-13M/C64S | 110/90-18 |
| Front wheel travel (mm) | 119 | 150 |
| Rear wheel travel (mm) | 130 | 125 |
| Trail (mm) | 113 | 111 |
| Rake (fork angle) (degree) | 2 | 24.7 |
| Other | ||
| Starter | Electric | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,555 | 1,410 |
| Kerb weight (kg) | 191 | 174 |
| Overall length (mm) | 2,235 | 2,085 |
| Overall width (mm) | 715 | 750 |
| Seat height (mm) | 775 | 790 |
| Ground clearance (mm) | 145 | 140 |
| Performance | ||
| Fuel capacity (l) | 13 | 12 |
| Oil capacity (l) | - | 2.4 |