| MODEL | YAMAHA XSR 125 2021 |
| Year | 2021 |
| Engine Type | Four stroke, single cylinder, SOHC, 4 valve with variable valve actuation |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 52 x 58.6 mm |
| Compression Ratio | 11.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 11 kW / 14.7 hp @ 10000 rpm |
| Max Torque | 11.5 Nm / 8.5 lb-ft @ 8000 rpm |
| Ignition | TCI |
| Induction | Electronic fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 Speed |
| Clutch | Wet multiple-disc, slip and assist |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel Deltabox |
| Front Suspension | 37 mm USD fork, 130 mm / 5.1 in travel |
| Rear Suspension | Monoshock on die-cast aluminium swingarm, 110 mm / 4.3 in travel |
| Front Brakes | Single 267 mm disc, 2 piston caliper, ABS |
| Rear Brakes | Single 220 mm disc, 1 piston caliper, ABS |
| DIMENSION SPECS | |
| Overall Length | 1960 mm / 77.1 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1065 mm / 41.9 in |
| Seat Height | 815 mm / 32 in |
| Wheelbase | 1330 mm / 52.3 in |
| Ground Clearance | 160 mm / 6.2 in |
| Dry Weight | — |
| Wet Weight | 140 kg / 308.6 lbs |
| WHEEL SPECS | |
| Front Tyre | 110/70-17 |
| Rear Tyre | 140/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 11 Litres / 2.9 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The XSR125 is Yamaha's retro-styled Sport Heritage learner bike, a 125 cc A1-class machine on a Deltabox frame with USD forks, LED lighting and an LCD dash. It is Euro 5 compliant for 2021 and came in Redline, Impact Yellow and Tech Black.
