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Scooters

2021KSR Sirion 50

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The 2021 KSR Sirion 50 is an ultra-efficient 50cc scooter ideal for urban commuters and new riders seeking economical, easy-to-ride transportation. Its lightweight frame, automatic CVT transmission, and exceptional fuel economy of 50 km/l make it perfect for city navigation and daily errands.

Capacity
50.0 ccm
Engine
Single, four-stroke
Gearbox
Not on record
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Dry weight
95.0 kg
Seat height
Not on record
Know it? Add it →
Power
3.1 HP (2.2 kW) @ 7500 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 KSR Sirion 50

vs the 2020
Spec20202021
Engine capacity 49.0 ccm (2.99 cubic inches) 50.0 ccm (3.05 cubic inches)
Other years 2017 2018 2019 2020 2021

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 10Agility 80Comfort 45Off-road 5Touring 10Road manners 55
Off-road & trail5%
Cornering40%
City riding90%
Daily riding75%
Touring10%
Two-up25%
Track5%
Best for
Built purely for short urban hops, errands, and light commuting at low speeds.
Built for
A humble, economical 50cc scooter that prioritizes simplicity, fuel efficiency, and easy city maneuverability over performance.
Not ideal for
Not suitable for highway riding, long-distance touring, carrying a passenger comfortably, or anyone seeking speed and power.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Range and running costs

Worked out in your browser - nothing is sent to us

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine
Capacity
50.0 ccm
Power
3.1 HP (2.2 kW) @ 7500 RPM
Engine type
Single, four-stroke
Fuel consumption
2.00 litres/100 km (50.0 km/l)
Power/weight ratio
0.0326 HP/kg (dry)
Cooling system
Air
Fuel system
Carburettor
Starting
Electric & kick
Transmission
Transmission type
Automatic
Final drive
Belt
Dimensions & weight
Wheelbase
1300 mm
Overall length
1895 mm
Overall width
720 mm
Overall height
1140 mm
Dry weight
95.0 kg
Fuel capacity
5.50 litres
Seat height
Not on record - add it
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Monoshock
Brakes & wheels
Front brakes
Single disc
Rear brakes
Expanding brake (drum brake)
Front tyre
120/70-12
Rear tyre
130/70-12
Other
Color options
Red, Grey
Comments
Sold in Austria, Belgium, Croatia, Cyprus, Czech Republic, Finland, France, Germany, Greece, Italy, FYR Macedonia, Malta, Slovakia.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20172018201920202021
Capacity 49 cc 49 cc 49 cc 49 cc 50 cc
Dry weight 92 kg 92 kg 95 kg 95 kg 95 kg
Fuel capacity 5 L 5 L 5.5 L 5.5 L 5.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2021 KSR Sirion 50 motorcycle is a sleek and stylish option for riders who are looking for a reliable and affordable bike. With a compact 50cc engine, this motorcycle is perfect for city commuting and short rides. The modern design and comfortable seating make it a great choice for beginners or experienced riders alike. Whether you're navigating through traffic or cruising on the open road, the Sirion 50 delivers a smooth and enjoyable ride.

The KSR Sirion 50 boasts impressive fuel efficiency, making it a practical choice for daily transportation. Its nimble handling and lightweight frame make it easy to maneuver in tight spaces and provide a fun riding experience. Overall, this motorcycle offers great value for its price point and is a solid option for anyone in search of a reliable and stylish two-wheeler.

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Common questions

What is the engine size of the KSR Sirion 50?

The 2021 KSR Sirion 50 has a Capacity of 50.0 ccm (3.05 cubic inches).

What engine power does the KSR Sirion 50 have?

The 2021 KSR Sirion 50 has a Power of 3.1 HP (2.2 kW) @ 7500 RPM.

How much does the KSR Sirion 50 weigh?

The 2021 KSR Sirion 50 has a Dry weight of 95.0 kg (209.4 pounds).

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