KTM 50 SX Mini - 2013 Specifications and Reviews
The 2013 KTM 50 SX Mini is a lightweight minibike engineered for young riders learning off-road fundamentals. Powered by a responsive 49cc two-stroke engine with automatic clutch, it delivers controllable power ideal for children developing riding skills. The bike is renowned for its reliability, handling characteristics, and role as an entry point to competitive motocross racing.
Engine and Transmission Specifications | |
| Driveline | 11:40. Primary drive: 61:33. Rigid 1-stage reduction gear. |
| Clutch | 3-lining automatic clutch on the main shaft / centrifugal force |
| Transmission type,final drive | Chain |
| Gearbox | 1-speed |
| Cooling system | Liquid |
| Lubrication system | Separate lubrication |
| Ignition | SELETTRA 2p D36 |
| Fuel system | Carburettor |
| Bore x stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Engine details | Reed intake |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| | |
| Category | Minibike, cross |
| Year | 2013 |
| Model | KTM 50 SX Mini |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 140 mm (5.5 inches) |
| Rear brakes | Single disc. Two-pot brake caliper |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc. Four-pot brake caliper |
| Rear suspension travel | 171 mm (6.7 inches) |
| Rear suspension | WP Suspension 3614 BAEM |
| Front suspension travel | 100 mm (3.9 inches) |
| Front suspension | WP Suspension USD 35 |
| Frame type | Central tube frame of chrome molybdenum steel tubing, powder-coated |
| | |
Physical measures and capacities | |
| Fuel capacity | 2.00 litres (0.53 gallons) |
| Wheelbase | 914 mm (36.0 inches) |
| Ground clearance | 184 mm (7.2 inches) |
| Seat height | 558 mm (22.0 inches) If adjustable, lowest setting. |
| Dry weight | 40.5 kg (89.3 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Orange/black/white |
| Starter | Kick |
Performance Profile & Rider Fit
5.5 hp
Peak Power (est.)
Best For
Track30%
City2%
Cornering40%
Daily Riding3%
Touring1%
Passenger0%
Rider Profile
| Best For | This machine is built exclusively for young beginner riders taking their very first steps into motocross, typically aged around four to seven years old. |
| Purpose | 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. |
| Rider Fit | Its tiny 40 kg dry weight, low 684 mm seat height, and single-speed automatic clutch mean it demands almost no physical strength or shifting skill from its young rider. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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