2019 KTM 50 SX Mini Dirt Bike Review Specs

2019 KTM 50 SX Mini Dirt Bike

The 2019 KTM 50 SX Mini Dirt Bike is for the youngest of the shedders. It is a real motorcycle with high-quality components that the child’s play controls with a linear power supply and an automatic clutch suitable for beginners. Designed for the smallest of racers, the 50 SX Mini incorporates a large part of the 50 SX technology with a more user-friendly power supply, smaller wheels, and lower seat height. The 50 SX Mini is a real KTM READY TO RACE for the youngest of the shedders. Like its big SX big brothers, it has high-quality components and innovative technology. It’s a breeze to control with a linear power supply and an automatic clutch suitable for beginners, which allows budding motocross racers to focus on the essentials and very quickly acquire basic skills.

2019 KTM 50 SX Mini Dirt Bike – Features and Specifications

2019 KTM 50 SX Mini Dirt Bike

New Generation Dirt Bike

In world championships for the past ten years, the Austrian brand has been the constant interpreter in the fight for competitive supremacy. 2019 KTM 50 SX Mini Dirt Bike dominates the battle. The ninth title of Tony Cairoli’s FIM Motocross World Championship last season, as well as the first for the show’s star, the KTM 450 SX-F, was a real highlight. The Paul’s Jonas’s MX2 World Championship continued the domination of the orange brand in the category with nine victories in ten seasons for the KTM 250 SX-F, while the 2017 AMA 450 Supercross title was won between the hands by Ryan Dungey before his retirement. KTM has also earned victories in the 250 SX and 450 SX categories this season.

It is the best platform for the KTM SX range because these world-renowned technologies are tested in the heat of the moment before being available on mass production machines. The KTM 50 SX, all time famous KTM 65 SX, and KTM 85 SX sports mini-cycles provide a solid base for juniors to reach the adult ranks where the KTM 125 SX, KTM 150 SX and KTM 250 SX 2 stroke, as well as the KTM 250 SX-F, The machines 4-stroke KTM 350 SX-F and KTM 450 SX-F provide the most advanced weapon in each category.


For the 2019 model year, all adult models receive an evolving generation update with KTM engineers aimed at a new weight reduction that once again establishes an explicit reference in each class. In fact, in the larger capacity 450cc segment, the KTM 450 SX-F is much lighter than its rivals. All SX models have a reworked frame to improve rigidity, handling, and stability in a straight line, a longer subframe, a revised rear axle slot, and a completely new bodywork for improved ergonomics with more freedom of movement. 2019 KTM 50 SX Mini Dirt Bike has an entirely new look with new graphics compliments a new shape seat and a new fuel tank. A new air filter housing provides improved air filter protection and better 2-stroke and 4-stroke airflow, which contributes to more efficient feeding and improved performance.

The new radiators provide efficient cooling with improved positioning for mass centralization, while a more powerful lithium-ion battery for the electric starter harmonizes with the reworked cable harness for a compact electrical system. An updated triple clamp for better handling completes the new suspension settings, while a further dual-use plug-in support is another feature of the new range. All models proceed to interest from majestic serial elements such as Brembo brakes, WP suspension, NEKEN handlebars, Dunlop tires, plus a map selection switch with integrated traction control, launch control, and map selection on 4-stroke machines. It is not a model year of refinement; it is an evolution; approximately 60% of the components of each bicycle are new.

2019 KTM 50 SX Mini Dirt Bike


All the models in the KTM SX range have undergone major engine overhauls compared to previous models. The KTM 250 SX-F and the KTM 350 SX-F models interest from a freshly sketched DS clutch, while all 4-stroke have amended transmissions and a state-of-the-art Keihin engine management structure. The KTM 125 SX, powerful KTM 150 SX, and the KTM 250 SX all offer revised carburetor settings, with a new transmission and clutch in each of the other improvements.

In addition to the engine improvements on all models, the flagship model of the KTM 450 SX-F benefits from a newly developed SOHC cylinder head for reduced weight and better mass centralization, a new camshaft with timing shorter valves and improved surface as well as a low friction guide chain with DLC coating.

KTM 2019 50 SX Dirt Motorcycle – Technical Specifications


Type Solo Cylinder, 2-Stroke
Displacement 49 cc
Bore/Stroke 39.5/40 mm
Starter Kickstarter
Transmission Rigid 1-Stage Reduction Gear
Fuel System Dell’Orto PVHA 12 XS
Lubrication Premix 60:1
Primary Ratio 33:61 Straight Cut Reduction Gear
Final Drive 10:42
Cooling Liquid Cooling
Clutch Centrifugal Clutch (Adjustable)
Ignition Selettra 2p D36

2019 KTM 50 SX Mini Dirt Bike Specs


Frame Central Tube Frame, Chrome Molybdenum
Subframe Steel
Handlebar Renthal, Aluminum Ø 22mm
Front Suspension WP USD Ø 35mm
Rear Suspension WP Monoshock
Suspension Travel Front/Rear 100 mm / 3.9 in; 147 mm / 5.6 in
Front/Rear Brakes Disc Brake 160 mm / 160 mm
Front/Rear Rims 1.60 x 10″ / 1.60 x 10″
Front/Rear Tires 2.50 x 10″ / 2.75 x 10″
Chain 1/2 x 3/16 in
Silencer Aluminum
Steering Head Angle 23.6º
Triple Clamp Offset 22 mm
Wheelbase 914 ± 10 mm / 36 ± 0.4 in

2019 KTM 50 SX Mini Dirt Bike Specs


Ground Clearance 184 mm / 7.2 in
Seat Height 558 mm / 22 in
Tank Capacity, Approx 2.1L / 0.55 gal
Weight (without fuel), Approx 40 kg/ 88.2 lbs

2019 KTM 50 SX Mini Dirt Bike Specs

Normally, experts recommend to use the safety gears when riding off-road.

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Unique key features

  • A high-quality inverted telescopic fork from WP Suspension guarantees exceptional driving stability with a diameter of 35 mm.
  • The ergonomic handlebar Renthal in high-quality aluminum alloy makes sure the highest levels of steadiness and safety.
  • The 3-shaft engine design keeps the crankshaft close to the center of gravity of the bike for quick handling as well as room for an enhanced reed valve angle for the first performance.
  • Formula front and rear hydraulic brakes combined with lightweight WAVE discs are sturdy with feedback that gives control for any skill level.
  • A centrifugal multi-plate automatic clutch provides manageable acceleration and can be adjusted to track conditions in minutes without tools.
  • The super-light black anodized aluminum rims match the MAXXIS tires for the highest grip.

2019 KTM 50 SX Mini Dirt Bike


2018 KTM 50 SX Mini Dirt Bike is a reduced version of the most significant SX models in the KTM range. It offers the same type of adjustment across the board for rider comfort and overall performance. If the rider is a real beginner, KTM offers a handy power reduction kit. The KTM 50SX is an excellent machine for a wide variety of riders, although it can be a little high, and the price of around $ 4,000 can be a shock. If your driver is smaller, the 2019 KTM 50 SX Mini Dirt Bike might be better for it, and it’s almost $500 less expensive.

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