Motocross Bikes
2017KTM 50 SX Mini
31 fields on record
The 2017 KTM 50 SX Mini is an entry-level off-road motorcycle designed for young riders aged 4-8 seeking their first competitive dirt bike experience. Known for its lightweight 40 kg design, responsive handling, and WP suspension components, it delivers the performance and durability expected from KTM's acclaimed SX lineup in a pint-sized package perfect for beginner motocross enthusiasts.
- 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 2017 KTM 50 SX Mini
vs the 2016| Spec | 2016 | 2017 |
|---|---|---|
| Dry weight | 39.0 kg (86.0 pounds) | 40.0 kg (88.2 pounds) |
| Fuel capacity | 2.00 litres (0.53 US gallons) | 2.30 litres (0.61 US gallons) |
| Front suspension | WP Suspension USD 35 | WP upside-down Ø 35 mm |
| Rear suspension | WP Suspension 3614 BAEM | WP shock absorber |
| Front brakes | Single disc. Two-pot brake caliper | Single disc |
| Rear brakes | Single disc. Two-pot brake caliper | Single disc |
| Wheelbase | 914 mm (36.0 inches) | 1032 mm (40.6 inches) |
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 (adjustable)
Dimensions & weight
- Wheelbase
- 1032 mm
- Seat height
- 558 mm
- Dry weight
- 40.0 kg
- Fuel capacity
- 2.30 litres
- Ground clearance
- 184 mm
Chassis & suspension
- Frame
- Central-tube frame with double-cradle
- 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
- Front brakes diameter
- 160 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 160 mm
Other
- Color options
- Orange/white/black
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 | 2017 | 2018 | 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 | 2.3 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 2017 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 2017 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 2017 KTM 50 SX Mini has a Gearbox of 1-speed.
How much does the KTM 50 SX Mini weigh?
The 2017 KTM 50 SX Mini has a Dry weight of 40.0 kg (88.2 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.