| Attribute | Kawasaki J300 2020 × | Yamaha X-Max 250 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2010 |
| Make | Kawasaki | Yamaha |
| Model | Kawasaki J300 | Yamaha X-Max 250 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Injection | Injection. Electronic Fuel Injection |
| Displacement (cm³) | 299 | 249.8 |
| Power (kw) | 19.9 | 14.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 28.4 | 21 |
| Bore (mm) | 72.7 | 69 |
| Stroke (mm) | 72 | 66.8 |
| Gearbox | - | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Ignition | ECU Control (Full transistor) | TCI |
| Lubrication system | Forced lubrication, wet sump | Wet sump |
| Compression | 10.8:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic fork |
| Rear suspension | Twin shocks with 5-way adjustable preload | Unit swing |
| Front brakes | Single disc. Hydraulic. Two-piston calipers. Optional ABS. | Single disc |
| Rear brakes | Single disc. Two-piston calipers. | Single disc |
| Diameter (mm) | 240 | 240 |
| Frame type | Tubular diamond, steel | - |
| Front tyre | 120/80-14M/C58S | 120/70-15 |
| Rear tyre | 150/70-13M/C64S | 140/70-14 |
| Front wheel travel (mm) | 119 | 110 |
| Rear wheel travel (mm) | 130 | 95 |
| Trail (mm) | 113 | - |
| Rake (fork angle) (degree) | 2 | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Dimensions | ||
| Wheelbase (mm) | 1,555 | 1,545 |
| Kerb weight (kg) | 191 | 180 |
| Overall height (mm) | 1,260 | 1,337 |
| Overall length (mm) | 2,235 | 2,220 |
| Overall width (mm) | 715 | 776 |
| Seat height (mm) | 775 | 792 |
| Ground clearance (mm) | 145 | 135 |
| Performance | ||
| Fuel capacity (l) | 13 | 11.8 |
| Oil capacity (l) | - | 1.3 |