KTM 50 SX Mini - 2019 Specifications and Reviews
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.
Engine and Transmission Specifications | |
| Clutch | Centrifugal clutch |
| Transmission type | Chain (final drive) |
| Gearbox | 1-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture oil lubrication |
| Ignition | Seletra 2p D36 |
| Fuel system | Carburettor. Mikuni TMX |
| 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: | 49.0 ccm (2.99 cubic inches) |
| Category | Cross / motocross |
| Year | 2019 |
| Model | KTM 50 SX Mini |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Wire spoked |
| Rear brakes | Single disc. Two-piston calipers. |
| Diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc. Four-piston calipers. |
| Rear wheel travel | 147 mm (5.8 inches) |
| Rear Suspension | WP shock absorber |
| Front wheel travel | 100 mm (3.9 inches) |
| Front Suspension | WP upside-down Ø 35 mm |
| Rake (fork angle) | 24.0° |
| Frame type | Chrome-molybdenum steel central-tube frame |
| | |
Physical measures and capacities | |
| Fuel capacity | 2.10 litres (0.55 US gallons) |
| Wheelbase | 1032 mm (40.6 inches) |
| Ground clearance | 252 mm (9.9 inches) |
| Seat height | 684 mm (26.9 inches) If adjustable, lowest setting. |
| Dry weight | 40.0 kg (88.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | The engine power can be restricted to 5.5 hp with a kit. |
| Starter | Kick |
| Color options | Orange/white/black |
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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Rider Reviews
Total comments: 1

MotorcycleDB Review
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.Add a Comment
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