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KTM 50 SX
2006Off-road

KTM 50 SX

Key specifications

Engine
49 cc
Weight
39 kg
Fuel type
petrol
Fuel capacity
0.5 L
Seat height
26 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2006 KTM 50 SX: The Gateway to Off-Road Adventure The 2006 KTM 50 SX stands as a quintessential minibike-cross motorcycle, designed specifically for young riders eager to make their mark in the world of motocross. With its vibrant orange and black livery, the 50 SX not only catches the eye but also signifies KTM's commitment to quality and performance in the off-road segment. This model serves as an ideal entry point for aspiring motocross champions, blending cutting-edge technology with a user-friendly setup that instills confidence in riders aged 4 to 10 years. With a lightweight design and agile handling, the 50 SX is built to tackle the rigors of dirt tracks while offering a thrilling experience that whets the appetite for more advanced machines. At the heart of the 50 SX lies a robust 49cc single-cylinder, two-stroke engine, capable of delivering impressive performance for its size. With a bore and stroke of 39.5 x 40 mm, this engine provides a punchy powerband that allows young riders to accelerate smoothly and navigate tight corners with ease. The liquid cooling system ensures optimal engine performance during extended rides, while the Dell'Orto PHBG 19 BS carburettor ensures precise fuel delivery for that exhilarating snap off the line. Coupled with an adjustable centrifugal clutch, the 50 SX allows novice riders to focus on honing their skills without the complexities of manual shifting, making it an excellent choice for those just starting their motocross journey. KTM has outfitted the 50 SX with a central double-cradle frame that contributes to its lightweight 38.8 kg (85.5 lbs) construction, enhancing maneuverability on the track. The Marzocchi front suspension and WP monoshock rear suspension work in tandem to absorb bumps and jumps, ensuring a smooth ride even on the roughest terrains. Safety is also a priority, as highlighted by the 160 mm front and 140 mm rear disc brakes that provide reliable stopping power. With a seat height of just 650 mm (25.6 inches), the 50 SX is easily accessible for younger riders, and the adjustable feature allows it to grow with them as their skills advance. **

Pros

    Cons

    • User-Friendly Performance: The adjustable centrifugal clutch and smooth power delivery make it easy for beginners to learn and improve their riding skills.
    • Lightweight and Agile: Weighing only 38.8 kg, the KTM 50 SX offers nimble handling, allowing young riders to easily maneuver through tight corners and obstacles.
    • Quality Suspension System: The combination of Marzocchi front forks and WP monoshock rear suspension provides excellent shock absorption, increasing rider confidence on varied terrains.
    • Limited Power for Advanced Riders: As a minibike, the power output may not satisfy older or more experienced riders looking for a performance boost.
    • Small Fuel Capacity: With only 1.8 liters (0.48 gallons) of fuel capacity, riders may find themselves refueling more often during longer sessions.
    • Kick Start Only: The absence of an electric start can be a hassle for young riders who may struggle with kick-starting the engine, especially after a fall.

    Technical details

    Source specification data

    Make
    KTM
    Model
    50 SX
    Category
    Minibike-cross
    Starter
    Kick
    Clutch
    Centrifugal clutch (adjustable)
    Ignition
    Seletra analog
    Fuel System
    Carburettor. Dell´Orto PHBG 19 BS
    Bore X Stroke
    39.5 x 40.0 mm (1.6 x 1.6 inches)
    Displacement
    49.00 ccm (2.99 cubic inches)
    Cooling System
    Liquid
    Engine Details
    Single cylinder, two-stroke
    Exhaust System
    Aluminum
    Lubrication System
    0,15- 0,2 l Motorex ATF Super
    Dry Weight
    38.8 kg (85.5 pounds)
    Seat Height
    650 mm (25.6 inches) If adjustable, lowest setting.
    Fuel Capacity
    1.80 litres (0.48 gallons)
    Ground Clearance
    255 mm (10.0 inches)
    Rake
    24.0°
    Frame Type
    Central double-cradle-type frame
    Rear Brakes
    Single disc
    Front Brakes
    Single disc
    Rear Suspension
    WP monoshock
    Front Suspension
    Marzocchi 32 mm (1.26 inches)
    Rear Brakes Diameter
    140 mm (5.5 inches)
    Front Brakes Diameter
    160 mm (6.3 inches)