SYM Mio 50 - 2021 Specifications and Reviews

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General information

Year2021

Engine and Transmission Specifications

Greenhouse gases35.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption1.54 litres/100 km (64.9 km/l or 152.74 mpg)
DrivelineCVT
Transmission type,final driveBelt
GearboxAutomatic
Cooling systemAir
Fuel systemCarburettor
Torque3.73 Nm (0.4 kgf-m or 2.8 ft.lbs) @ 6500 RPM
Power3.75 HP (2.7 kW) @ 8000 RPM
Engine typeSingle cylinder, four-stroke
Capacity:49.50 ccm (3.02 cubic inches)
 
 

CategoryScooter
ModelSym Mio 50

Brakes, suspension, Frame and wheels

WheelsAluminium rims
Rear brakesExpanding brake (drum brake)
Front brakes diameter160 mm (6.3 inches)
Front brakesSingle disc
Rear tyre90/90-10
Front tyre90/90-10
Rear SuspensionUnit swing
Front SuspensionTelescopic fork
Frame typePipe under bone

Physical measures and capacities

Fuel capacity4.80 litres (1.27 gallons)
Wheelbase1,300 mm (51.2 inches)
Overall width720 mm (28.3 inches)
Overall length1,720 mm (67.7 inches)
Overall height1,090 mm (42.9 inches)
Power/weight ratio0.0441 HP/kg
Dry weight85.0 kg (187.4 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsMade in Taiwan.
Electrical12 V 6Ah battery.
Color optionsMat White/Mat Coffee, Golden Brown, Black/Red, Black/White, White, White/Orange

Performance Profile & Rider Fit

3 hp
Peak Power

Best For

Track2%
City90%
Cornering30%
Daily Riding75%
Touring8%
Passenger15%

Rider Profile

Best ForIdeal for absolute beginners or those who have never ridden a motorized two-wheeler before, including younger or first-time riders where local licensing allows.
PurposeBuilt purely for short, low-speed urban errands like commuting to school, nearby shops, or light neighborhood transport.
Rider FitExtremely light and low-seated, making it very easy to handle, paddle, and park for riders of almost any size or strength.
CharacterA humble, no-frills 50cc runabout that prioritizes simplicity, fuel efficiency, and easy maneuverability over performance.
Not Ideal ForNot suitable for anyone wanting highway speeds, long-distance travel, carrying a passenger comfortably, or any kind of sporty or off-road riding.

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

Rider Reviews

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