Motocross Bikes
2019KTM 50 SX Mini
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The 2019 KTM 50 SX Mini is a lightweight, accessible entry-level motocross bike designed for young and beginner riders. Known for its nimble handling and manageable power delivery, it features a compact frame with a low 684mm seat height and advanced suspension technology scaled for smaller riders. The model excels in competitive youth racing and recreational riding with its potent braking system and durable construction.
- Capacity
- 49.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 1-speed
- Dry weight
- 40.0 kg
- Seat height
- 558 mm
- Power
- 5.4 HP (4.0 kW)
What’s new for the 2019 KTM 50 SX Mini
vs the 2018| Spec | 2018 | 2019 |
|---|---|---|
| Fuel capacity | 2.30 litres (0.61 US gallons) | 2.10 litres (0.55 US gallons) |
| Front brakes | Single disc | Single disc. Four-piston calipers. |
| Rear brakes | Single disc | Single disc. Two-piston calipers. |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely to teach small children the basics of throttle control, balance, and off-road riding on a real motocross-style bike in a safe, controlled way.
- Built for
- It behaves like a proper miniature motocrosser, with real suspension, a real frame, and real brakes, giving a authentic but gentle introduction to dirt bike riding.
- Not ideal for
- It is completely unsuitable for adults, teenagers, road use, touring, or any rider who has outgrown beginner-level youth motocross machines.
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
- 49.0 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1350 HP/kg (dry)
- Bore x stroke
- 39.5 x 40.0 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Seletra 2p D36
- Lubrication system
- Mixture oil lubrication
Transmission
- Gearbox
- 1-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Centrifugal clutch
Dimensions & weight
- Wheelbase
- 1032 mm
- Seat height
- 558 mm
- Dry weight
- 40.0 kg
- Fuel capacity
- 2.10 litres
- Ground clearance
- 184 mm
Chassis & suspension
- Frame
- Chrome-molybdenum steel central-tube frame
- Front suspension
- WP upside-down Ø 35 mm
- Rear suspension
- WP shock absorber
- Front wheel travel
- 100 mm
- Rear wheel travel
- 147 mm
- Rake (fork angle)
- 24.0°
Brakes & wheels
- Front brakes
- Single disc. Four-piston calipers.
- Front brakes diameter
- 160 mm
- Rear brakes
- Single disc. Two-piston calipers.
- Rear brakes diameter
- 160 mm
Other
- Color options
- Orange/white/black
- Comments
- The engine power can be restricted to 5.5 hp with a kit.
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 | 2012 | 2015 | 2018 | 2019 | 2021 | 2024 |
|---|---|---|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc | 49 cc | 50 cc | 50 cc |
| Dry weight | 41 kg | 39 kg | 40 kg | 40 kg | 40 kg | 44 kg |
| Seat height | 558 mm | 558 mm | 558 mm | 558 mm | 558 mm | 653 mm |
| Fuel capacity | 2 L | 2 L | 2.3 L | 2.1 L | 2.1 L | 2.3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the KTM 50 SX Mini?
The 2019 KTM 50 SX Mini has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the KTM 50 SX Mini have?
The 2019 KTM 50 SX Mini has a Power of 5.4 HP (4.0 kW).
How many gears does the KTM 50 SX Mini have?
The 2019 KTM 50 SX Mini has a Gearbox of 1-speed.
How much does the KTM 50 SX Mini weigh?
The 2019 KTM 50 SX Mini has a Dry weight of 40.0 kg (88.2 pounds).
Shop this bike
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The 2019 KTM 50 SX Mini is a top-of-the-line motocross bike designed specifically for young riders. With its powerful 2-stroke engine, lightweight chassis, and adjustable suspension, this bike delivers impressive performance and handling for young riders looking to hone their skills on the track. The bike's compact design and ergonomics make it easy for smaller riders to maneuver, while the high-quality components and durable construction ensure a long-lasting and reliable ride. Overall, the 2019 KTM 50 SX Mini is a fantastic choice for young riders looking for a competitive and capable motocross bike.
In conclusion, the 2019 KTM 50 SX Mini is a solid choice for young riders looking to take their skills to the next level. Its powerful engine, lightweight design, and adjustable suspension make it a top contender in the minibike market. For parents and riders looking for a top-of-the-line motocross bike that offers impressive performance and durability, the 2019 KTM 50 SX Mini is a solid choice that won't disappoint.
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