| MODEL | YAMAHA YZF-R15 V3.0 2021 |
| Year | 2021 |
| Engine Type | Four stroke, single cylinder, SOHC, 4 valve with variable valve actuation |
| Displacement / Capacity | 155.1 cc / 9.14 cu-in |
| Bore X Stroke | 58.0 x 58.7 mm |
| Compression Ratio | 11.6:1 |
| Cooling System | Liquid cooled |
| Max Power | 14.1 kW / 19 hp @ 10000 rpm |
| Max Torque | 14.7 Nm / 10.8 lb-ft @ 8500 rpm |
| Ignition | TCI |
| Induction | Fuel Injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 Speed |
| Clutch | Wet Multiple-disc |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel Deltabox |
| Front Suspension | Up-sidedown telescopic fork, 130 mm / 5.1 in travel |
| Rear Suspension | Aluminum swingarm with monoshock, 118 mm / 4.6 in travel |
| Front Brakes | Single 282 mm disc, 2 piston caliper |
| Rear Brakes | Single 240 mm disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 815 mm / 32.1 in |
| Wheelbase | 1355 mm / 53.3 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 157 kg / 346 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 |
| Rear Tyre | 140/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 11.5 Litres / 3.0 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2021 R15 V3.0 carried on the R1-inspired sports styling and the 155 cc variable-valve single from earlier V3.0 years, with the same chassis, six-speed gearbox and standard ABS. It was the last year of this generation before the V4.0 with traction control and a quickshifter took over.
