What category is the 2021 Yamaha Mio S?

The 2021 Yamaha Mio S has a Category of Scooter.

What is the engine size of the 2021 Yamaha Mio S?

The 2021 Yamaha Mio S has a Capacity: of 125.0 ccm (7.63 cubic inches).

What type of engine does the 2021 Yamaha Mio S have?

The 2021 Yamaha Mio S has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2021 Yamaha Mio S?

The 2021 Yamaha Mio S has a Power of 9.4 HP (6.9 kW) @ 8000 RPM.

What is the torque of the 2021 Yamaha Mio S?

The 2021 Yamaha Mio S has a Torque of 9.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 5500 RPM.

Is the 2021 Yamaha Mio S air cooled or liquid cooled?

The 2021 Yamaha Mio S has a Cooling system of Air.

How many gears does the 2021 Yamaha Mio S have?

The 2021 Yamaha Mio S has a Gearbox of Automatic.

How much does the 2021 Yamaha Mio S weigh?

The 2021 Yamaha Mio S has a Dry weight of 94.0 kg (207.2 pounds).

What is the seat height of the 2021 Yamaha Mio S?

The 2021 Yamaha Mio S has a Seat height of 750 mm (29.5 inches) If adjustable, lowest setting..

Yamaha Mio S - 2021 Specifications and Reviews

Name: 2021 Yamaha Mio S
Brand: Yamaha

The 2021 Yamaha Mio S is a practical 125cc automatic scooter designed for budget-conscious commuters seeking reliable daily transportation. Its fuel-efficient four-stroke engine and user-friendly automatic transmission make it ideal for urban riders prioritizing convenience and low maintenance. Known for dependable performance and affordability, this scooter excels as an accessible entry point to powered two-wheeled mobility.

⇄ Compare against another bike 📅 All Years

2021

❮❯

Add/Upload pictures for this motorcycle

General information
Category	Scooter
Year	2021
Model	Yamaha Mio S
Engine and Transmission Specifications
Clutch	Centrifugal automatic
Transmission type	Belt (final drive)
Gearbox	Automatic
Cooling system	Air
Lubrication system	Wet Sump
Ignition	DC-C.D.I
Fuel control	Single Overhead Cams (SOHC)
Fuel system	Carburettor
Bore x Stroke	52.0 x 57.9 mm (2.0 x 2.3 inches)
Compression	9.5:1
Torque	9.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 5500 RPM
Power	9.4 HP (6.9 kW) @ 8000 RPM
Engine type	Single cylinder, four-stroke
Capacity:	125.0 ccm (7.63 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes	Expanding brake (drum brake)
Front brakes	Single disc
Rear tire	100/70-14
Front tire	80/80-14
Rear Suspension	Unit swingarm
Front Suspension	Telescopic fork
Trail	100 mm (3.9 inches)
Rake (fork angle)	26.5°
Frame type	Steel tube underbone

Physical measures and capacities
Fuel capacity	4.20 litres (1.11 US gallons)
Wheelbase	1260 mm (49.6 inches)
Ground clearance	135 mm (5.3 inches)
Overall width	685 mm (27.0 inches)
Overall length	1870 mm (73.6 inches)
Overall height	1060 mm (41.7 inches)
Seat height	750 mm (29.5 inches) If adjustable, lowest setting.
Power/weight ratio	0.0999 HP/kg
Dry weight	94.0 kg (207.2 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Comments	Sold in Asia.
Starter	Electric & kick
Color options	Cyan, Red, Black, Blue, Pink

Performance Profile & Rider Fit

9.4 hp

Peak Power

Best For

Track5%

City90%

Cornering55%

Daily Riding88%

Touring20%

Passenger35%

Rider Profile

Best For	Ideal for beginners or anyone wanting a simple, low-stress automatic scooter for everyday riding.
Purpose	Built for short urban hops, commuting, and running errands rather than performance or distance riding.
Rider Fit	Very light and low seat height make it easy to manage for smaller or less experienced riders.
Character	A practical, unpretentious little scooter that prioritizes convenience and fuel efficiency over excitement.
Not Ideal For	Not suitable for highway speeds, long-distance touring, off-road use, or riders seeking strong performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Yamaha Mio S Rider Ergonomics Assessment

Your height

Inseam (optional)

Units

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Yamaha Mio S, with a moderate knee angle of around 95 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

Find bikes that fit your height →

Shop This Bike

Find Parts for the Yamaha Mio S 2021 Find One For Sale

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2021 Yamaha Mio S motorcycle is a stylish and reliable option for riders of all skill levels. With its sleek design and powerful engine, this bike offers a smooth and enjoyable riding experience. The Mio S also comes equipped with advanced features such as a digital meter panel and LED headlights, adding to its overall appeal. Whether you're commuting in the city or cruising on the open road, this motorcycle delivers a comfortable and efficient ride. Yamaha has once again proven itself as a top contender in the motorcycle market with the Mio S. Its impressive performance, modern features, and affordable price point make it a strong choice for riders looking for a versatile and dependable motorcycle. With its combination of style, comfort, and reliability, the 2021 Yamaha Mio S is a standout option in the current market.