| Attribute | Kawasaki Ninja 250SL 2017 × | Yamaha NMAX 155 2021 × |
|---|---|---|
| General | ||
| Production from (year) | 2017 | 2021 |
| Make | Kawasaki | Yamaha |
| Model | Kawasaki Ninja 250SL | Yamaha NMAX 155 |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection | Injection |
| Displacement (cm³) | 249 | 155 |
| Power (kw) | 22.6 | 8.8 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Belt |
| Torque (Nm) | 22.6 | 14.4 |
| Bore (mm) | 72 | 58 |
| Stroke (mm) | 61.2 | 58.7 |
| Gearbox | 6-speed | Automatic |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Single Overhead Cams (SOHC) |
| Driveline | Sealed chain | V-Belt Automatic |
| Ignition | TCBI with digital advance | Transistorised |
| Clutch | Wet multi-disc, manual | Dry centrifugal |
| Lubrication system | Forced lubrication, wet sump | Wet sump |
| Compression | 11.3:1 | 11.2:1 |
| Chassis | ||
| Front suspension | 37 mm telescopic fork | Telescopic fork |
| Rear suspension | Uni-Trak with 5-way adjustable spring preload | Unit Swing, monoshock |
| Front brakes | Single disc. Optional ABS | Single disc. Hydraulic. ABS. |
| Rear brakes | Single disc. Optional ABS | Single disc. ABS. |
| Diameter (mm) | 220 | 230 |
| Frame type | Trellis, high-tensile steel | Backbone |
| Front tyre | 100/80-M17 | 110/70-13 |
| Rear tyre | 130/70-M17 | 130/70-13 |
| Front wheel travel (mm) | 119 | 110 |
| Rear wheel travel (mm) | 130 | 84 |
| Trail (mm) | 90 | 92 |
| Rake (fork angle) (degree) | 36 | 26 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Carrying capacity | - | Underseat storage |
| Dimensions | ||
| Wheelbase (mm) | 1,330 | 1,350 |
| Kerb weight (kg) | 172 | 127 |
| Overall height (mm) | 1,075 | 1,115 |
| Overall length (mm) | 1,935 | 1,955 |
| Overall width (mm) | 685 | 740 |
| Seat height (mm) | 780 | 765 |
| Ground clearance (mm) | 165 | 135 |
| Performance | ||
| Fuel capacity (l) | 11 | 6.6 |
| Oil capacity (l) | - | 1 |