KTM 50 SX Mini - 2012 Specifications and Reviews
The 2012 KTM 50 SX Mini is a lightweight minibike designed for young riders and beginners entering motocross. Powered by a responsive 49cc two-stroke engine with automatic clutch engagement, it delivers an accessible entry point to off-road riding. Known for its reliable performance and nimble handling, the SX Mini excels in training and recreational use on varied terrain.
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 |
| 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 | 2012 |
| 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 | WPSuspension3614 BAEM |
| Front suspension travel | 100 mm (3.9 inches) |
| Front suspension | WP Suspension USD 35 |
| Rake (fork angle) | 22.6° |
| 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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