General information |
Model
|
Yamaha YS125 |
Model year
|
2021 |
Category
|
Allround |
Rating
|
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Engine and transmission |
Displacement
|
125.0 ccm (7.63 cubic inches) |
Engine type
|
Single cylinder, two-stroke |
Engine details
|
Reed-valve-inducted |
Power output
|
10.5 HP (7.6 kW)) @ 7500 RPM |
Torque
|
10.8 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 6000 RPM |
Compression
|
10.0:1 |
Bore x stroke
|
54.4 x 57.9 mm (2.1 x 2.3 inches) |
Fuel system
|
Injection |
Fuel control
|
Single Overhead Cams (SOHC) |
Ignition
|
TCI |
Lubrication system
|
Wet Sump |
Cooling system
|
Air |
Gearbox
|
6-speed |
Transmission type
|
Chain (final drive) |
Clutch
|
O-ring chain |
Fuel consumption
|
2.00 litres/100 km (50.0 km/l or 117.61 mpg) |
Greenhouse gases
|
46.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
Chassis, suspension, brakes and wheels |
Rake (fork angle)
|
26.8° |
Trail
|
117 mm (4.6 inches) |
Front suspension
|
Telescopic fork |
Front wheel travel
|
120 mm (4.7 inches) |
Rear suspension
|
Swing arm |
Rear wheel travel
|
112 mm (4.4 inches) |
Front tire
|
2.75-18 |
Rear tire
|
100/80-18 |
Front brakes
|
Single disc. Hydraulic. |
Diameter
|
245 mm (9.6 inches) |
Rear brakes
|
Expanding brake (drum brake). Hydraulic. |
Diameter
|
130 mm (5.1 inches) |
Physical measures and capacities |
Weight incl. oil, gas, etc
|
129.0 kg (284.4 pounds) |
Seat height
|
795 mm (31.3 inches) If adjustable, lowest setting. |
Overall height
|
1050 mm (41.3 inches) |
Overall length
|
2005 mm (78.9 inches) |
Overall width
|
735 mm (28.9 inches) |
Ground clearance
|
150 mm (5.9 inches) |
Wheelbase
|
1320 mm (52.0 inches) |
Fuel capacity
|
14.00 litres (3.70 US gallons) |
Other specifications |
Color options
|
Power red, Competition White, Midnight Black |
Starter
|
Electric |
Update specs | Report missing specs or required updates. |
Further information |
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Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 21 Yamaha YS125 discussion group or the general Yamaha discussion group. |
Related bikes | List related bikes for comparison of specs. |
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