KTM 50 SX 2015 - Specifications & Review

50 SX

Article Complete Info

Articleid840579
CategoryCross-motocross
MakeKTM
Model50 SX
Year2015

Chassis, Suspension, Brakes & Wheels

FrametypeCentral tube frame of chrome molybdenum steel tubing, powder-coated
FrontbrakesSingle disc. Four-piston calipers.
Frontbrakesdiameter160 mm (6.3 inches)
FrontsuspensionWP  Suspension USD  35
Frontwheeltravel205 mm (8.1 inches)
Rake24.0°
RearbrakesSingle disc. Two-piston calipers.
Rearbrakesdiameter140 mm (5.5 inches)
RearsuspensionWP  Suspension  3614 BAEM
Rearwheeltravel185 mm (7.3 inches)

Engine & Transmission

Borexstroke39.5 x 40.0 mm (1.6 x 1.6 inches)
Clutch3-lining automatic clutch on the main shaft / centrifugal force
CoolingsystemLiquid
Displacement49.00 ccm (2.99 cubic inches)
Driveline11:40. Primary drive: 33:61 straight cut spur gear.
EnginedetailsSingle cylinder, two-stroke
EnginetypeReed intake.
FuelsystemCarburettor
Gearbox1-speed
IgnitionSELETTRA 2p D36
LubricationsystemMixture oil lubrication
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsOrange/Black
CommentsFor absolute beginners, the engine power can be restricted to a moderate 5.5 hp with a kit.
StarterKick

Physical Measures & Capacities

Dryweight39.8 kg (87.7 pounds)
Fuelcapacity2.30 litres (0.61 gallons)
Groundclearance252 mm (9.9 inches)
Seatheight684 mm (26.9 inches) If adjustable, lowest setting.

About KTM 50 SX 2015

Introducing the 2015 KTM 50 SX, the perfect entry-level motorcycle that embodies the spirit of cross-motocross racing for young riders. Renowned for its agility and lightweight design, the 50 SX is specifically engineered for budding motocross enthusiasts who are ready to take their first steps into the thrilling world of dirt biking. With a striking orange and black color scheme that reflects KTM's iconic branding, this mini bike not only looks the part but is built to deliver an exhilarating ride that builds confidence and skills from the ground up.

At the heart of the 50 SX lies a potent 49cc single-cylinder, two-stroke engine that produces a thrilling 5.5 horsepower, making it ideal for novice riders. The engine's simplicity, combined with a well-tuned carburettor and liquid cooling system, ensures consistent performance and reliability in various conditions. Riders will appreciate the 1-speed automatic gearbox, which allows for smooth acceleration without the complexities of shifting gears. This, coupled with the centrifugal clutch, means that young pilots can focus on mastering their riding skills rather than grappling with manual clutch control. With a lightweight frame weighing in at just 39.8 kg (87.7 pounds), the 50 SX is nimble, providing a responsive handling experience on the track or trail.

KTM has outfitted the 50 SX with advanced features that enhance both safety and comfort. The central tube frame, crafted from durable chrome molybdenum steel and powder-coated for longevity, offers excellent rigidity and stability, while the WP suspension system ensures a plush ride over bumps and obstacles. The front and rear disc brakes, with impressive diameters of 160 mm and 140 mm respectively, provide reliable stopping power, allowing young riders to build confidence in their braking skills. With a ground clearance of 252 mm and an adjustable seat height of 684 mm, the 50 SX accommodates a wide range of rider sizes, making it versatile for growing enthusiasts.

Pros:

  1. Lightweight Design: At just 39.8 kg, it’s incredibly easy to handle for beginners.
  2. User-Friendly Power Delivery: The automatic clutch and single-speed gearbox simplify the riding experience.
  3. Robust Suspension: WP components provide excellent stability and comfort across varied terrains.

Cons:

  1. Limited Power for Advanced Riders: While great for beginners, more experienced riders may find the 5.5 hp restrictive.
  2. Small Fuel Capacity: With only 2.3 liters, frequent refueling may be necessary during extended rides.
  3. Kick Start Only: The absence of an electric starter might be a challenge for younger or less experienced riders.

In summary, the 2015 KTM 50 SX is a remarkable entry-level motocross bike that strikes a perfect balance between performance and accessibility, making it an ideal choice for young riders eager to hone their skills and enjoy the thrill of off-road adventures.

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