These are the known mechanical and performance specifications for your 2021 Yamaha Mio S.
Basic Specs

Engine
Displacement125.0 ccm (7.63 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression9.5:1
Bore/Stroke52.0 x 57.9 mm (2.0 x 2.3 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionDC-C.D.I
Exhaust
LubricationWet Sump
CoolingAir
Performance
Horespower9.4 HP (6.9 kW) @ 8000 RPM
Torque9.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 5500 RPM
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity4.20 litres (1.11 US gallons)
Emissions
Chassis
Frame TypeSteel tube underbone
Rake26.5 deg
Trail100 mm (3.9 inches)
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionUnit swingarm
Rear Travel
Seat
Seat Height750 mm (29.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1060 mm (41.7 inches)
Total Length1870 mm (73.6 inches)
Total Width685 mm (27.0 inches)
Ground Clearance135 mm (5.3 inches)
Wheelbase1260 mm (49.6 inches)
Dry Weight94.0 kg (207.2 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre80/80-14
Rear Tire/Tyre100/70-14
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Sold in Asia.