| Attribute | Yamaha YZF-R125 2021 × | Yamaha NMAX 155 2021 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2021 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZF-R125 | 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. EFI | Injection |
| Displacement (cm³) | 124.7 | 155 |
| Power (kw) | 10.9 | 8.8 |
| Fuel consumption (l/100km) | 2.13 | - |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Belt |
| Torque (Nm) | 11.5 | 14.4 |
| Bore (mm) | 52 | 58 |
| Stroke (mm) | 58.6 | 58.7 |
| Gearbox | 6-speed | Automatic |
| Greenhouse gases | 49.4 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Emission details | Euro 5 | - |
| Driveline | Constant Mesh | V-Belt Automatic |
| Ignition | TCI | Transistorised |
| Clutch | Assist and Slipper clutch | Dry centrifugal |
| Lubrication system | Wet sump | Wet sump |
| Compression | 11.2:1 | 11.2:1 |
| Chassis | ||
| Front suspension | Upside-down telescopic fork, Ø 41 mm | Telescopic fork |
| Rear suspension | Linked monoshock with spring preload adjustment | Unit Swing, monoshock |
| Front brakes | Single disc | Single disc. Hydraulic. ABS. |
| Rear brakes | Single disc | Single disc. ABS. |
| Diameter (mm) | 230 | 230 |
| Frame type | Compact deltabox | Backbone |
| Front tyre | 100/80-17 | 110/70-13 |
| Rear tyre | 140/70-17 | 130/70-13 |
| Front wheel travel (mm) | 130 | 110 |
| Rear wheel travel (mm) | 114 | 84 |
| Trail (mm) | 89 | 92 |
| Rake (fork angle) (degree) | 25 | 26 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Carrying capacity | - | Underseat storage |
| Instruments | Dual LED headlights | - |
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,350 |
| Kerb weight (kg) | 144 | 127 |
| Overall height (mm) | 1,065 | 1,115 |
| Overall length (mm) | 1,935 | 1,955 |
| Overall width (mm) | 680 | 740 |
| Seat height (mm) | 825 | 765 |
| Ground clearance (mm) | 155 | 135 |
| Performance | ||
| Fuel capacity (l) | 11.5 | 6.6 |
| Oil capacity (l) | 1.2 | 1 |