Supermotos
2012AJS JSM 50 Motard
27 fields on record
The 2012 AJS JSM 50 Motard is a lightweight super motard designed for novice and younger riders seeking accessible urban mobility. Its 50cc two-stroke engine delivers modest performance suited to city commuting and casual riding. Known for its nimble handling and compact proportions, it offers an affordable entry point into motorcycle ownership.
- Capacity
- 49.3 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 105.0 kg
- Seat height
- 820 mm
- Power
- 4.7 HP (3.5 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a small-capacity supermoto-styled learner bike for low-speed fun, basic skills practice, and short recreational rides rather than serious transport.
- Built for
- It has playful, toy-like supermoto styling with sporty ergonomics but delivers only mild, moped-level performance to match its tiny two-stroke engine.
- Not ideal for
- It is not suitable for adult commuting, highway travel, touring, or any rider expecting real acceleration or top speed.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.3 ccm
- Power
- 4.7 HP (3.5 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0448 HP/kg (dry)
- Bore x stroke
- 40.0 x 39.2 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- Coil, CDI.
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiplate
Performance
- Top speed
- 45.0 km/h (28.0 mph)
Dimensions & weight
- Wheelbase
- 1400 mm
- Seat height
- 820 mm
- Dry weight
- 105.0 kg
- Fuel capacity
- 8.50 litres
Chassis & suspension
- Frame
- Steel
- Front suspension
- Telescopic fork
- Rear suspension
- Single shock
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-17
- Rear tyre
- 130/70-17
Other
- Color options
- Black with red, blue or orange graphics.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the AJS JSM 50 Motard?
The 2012 AJS JSM 50 Motard has a Capacity of 49.3 ccm (3.01 cubic inches).
What engine power does the AJS JSM 50 Motard have?
The 2012 AJS JSM 50 Motard has a Power of 4.7 HP (3.5 kW).
How many gears does the AJS JSM 50 Motard have?
The 2012 AJS JSM 50 Motard has a Gearbox of 6-speed.
How much does the AJS JSM 50 Motard weigh?
The 2012 AJS JSM 50 Motard has a Dry weight of 105.0 kg (231.5 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.