Yamaha YS125 - 2021 Specifications and Reviews
The 2021 Yamaha YS125 is an air-cooled, two-stroke commuter designed for entry-level and budget-conscious riders seeking reliable everyday transportation. Its 125cc single-cylinder engine delivers modest power output suitable for city riding and light highway use. Known for simplicity, fuel efficiency, and affordability, it excels as an accessible first motorcycle or practical utility bike.
General information | |
| Category | Allround |
| Year | 2021 |
| Model | Yamaha YS125 |
Engine and Transmission Specifications | |
| Greenhouse gases | 46.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 2.00 litres/100 km (50.0 km/l or 117.61 mpg) |
| Clutch | O-ring chain |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Air |
| Lubrication system | Wet Sump |
| Ignition | TCI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection |
| Bore x Stroke | 54.4 x 57.9 mm (2.1 x 2.3 inches) |
| Compression | 10.0:1 |
| Torque | 10.8 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 6000 Revolutions">RPM |
| Power | 10.5 Horsepower">HP (7.6 Kilowatt">kW)) @ 7500 Revolutions">RPM |
| Engine details | Reed-valve-inducted |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake). Hydraulic. |
| Diameter | 245 mm (9.6 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tire | 100/80-18 |
| Front tire | 2.75-18 |
| Rear wheel travel | 112 mm (4.4 inches) |
| Rear Suspension | Swing arm |
| Front wheel travel | 120 mm (4.7 inches) |
| Front Suspension | Telescopic fork |
| Trail | 117 mm (4.6 inches) |
| Rake (fork angle) | 26.8° |
| | |
Physical measures and capacities | |
| Fuel capacity | 14.00 litres (3.70 US gallons) |
| Wheelbase | 1320 mm (52.0 inches) |
| Ground clearance | 150 mm (5.9 inches) |
| Overall width | 735 mm (28.9 inches) |
| Overall length | 2005 mm (78.9 inches) |
| Overall height | 1050 mm (41.3 inches) |
| Seat height | 795 mm (31.3 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 129.0 kg (284.4 pounds) |
Other specs | |
| Starter | Electric |
| Color options | Power red, Competition White, Midnight Black |
Rider Reviews
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