Motocross Bikes
2026KTM 50 SX Factory Edition
18 fields on record
The 2026 KTM 50 SX Factory Edition is engineered for young riders seeking an entry-level off-road experience with professional-grade components. Its lightweight 2-stroke engine delivers responsive power delivery, while premium WP suspension and disc brakes provide exceptional control on challenging terrain. This machine is renowned as an ideal stepping stone into motocross competition.
- Capacity
- 49.9 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 43.5 kg
- Seat height
- 653 mm
- Power
- 5.4 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely to teach off-road riding fundamentals and race-craft on kids' motocross tracks, not for transportation or adult use.
- Built for
- It has the character of a genuine miniature factory motocross bike, complete with premium WP suspension and race-derived styling to build confidence and skill.
- Not ideal for
- This is not suitable for any adult rider, road use, touring, or anyone seeking real speed or comfort.
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
- 49.9 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1241 HP/kg (dry)
Transmission
- Transmission type
- Automatic
- Clutch
- Centrifugal clutch (adjustable)
Dimensions & weight
- Seat height
- 653 mm
- Dry weight
- 43.5 kg
- Fuel capacity
- 2.30 litres
- Ground clearance
- 233 mm
Chassis & suspension
- Frame
- Central-tube frame with double-cradle
- Front suspension
- XACT 35 WP Upside-Down fork, Ø 35 mm
- Rear suspension
- XACT WP mono shock
- Front wheel travel
- 201 mm
- Rear wheel travel
- 191 mm
Brakes & wheels
- Front brakes
- Disc brake
- Rear brakes
- Disc brake
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 | 2026 | 2027 |
|---|---|---|
| Capacity | 50 cc | 50 cc |
| Dry weight | 44 kg | 44 kg |
| Seat height | 653 mm | 653 mm |
| Fuel capacity | 2.3 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 Factory Edition?
The 2026 KTM 50 SX Factory Edition has a Capacity of 49.9 ccm (3.05 cubic inches).
What engine power does the KTM 50 SX Factory Edition have?
The 2026 KTM 50 SX Factory Edition has a Power of 5.4 HP (4.0 kW).
How much does the KTM 50 SX Factory Edition weigh?
The 2026 KTM 50 SX Factory Edition has a Dry weight of 43.5 kg (95.9 pounds).
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