KTM 50 SX
Key specifications
Overview
Introducing the 2013 KTM 50 SX, a vibrant and nimble machine that stands at the forefront of youth motocross bikes. Designed for young riders eager to explore the thrill of off-road riding, this model is KTM’s commitment to cultivating the next generation of motocross champions. With its lightweight frame and powerful performance, the 50 SX delivers an exhilarating experience that instills confidence in novice riders while also providing a platform for developing skills on the track. Its striking orange and black color scheme is not just visually appealing; it embodies the fierce spirit and racing pedigree of the KTM brand. At the heart of the 50 SX lies a robust 49cc two-stroke single-cylinder engine, delivering a thrilling punch that is perfect for young riders. With a bore and stroke of 39.5 mm x 40.0 mm, the engine is designed for maximum responsiveness, producing a smooth power band that makes acceleration effortless. The liquid cooling system ensures optimal performance even during intense riding sessions, while the automatic centrifugal clutch allows for seamless gear engagement, allowing younger riders to focus on mastering their technique without the hassle of manual shifting. With a lightweight structure of just 41.5 kg (91.5 pounds), the bike is agile and easy to maneuver, making it an excellent choice for tracks and trails alike. The 2013 KTM 50 SX is packed with features that enhance both performance and rider comfort. The central tube frame, crafted from chrome molybdenum steel and finished with a powder-coated exterior, provides the necessary strength and stability while keeping the bike lightweight. The WP Suspension system, featuring USD 35 forks in the front and 3614 BAEM in the rear, delivers impressive travel of 205 mm (8.1 inches) in the front and 185 mm (7.3 inches) in the rear, ensuring a smooth ride over rough terrain. Safety is paramount, and the bike is equipped with powerful braking systems: a single disc with four-piston calipers in the front and a two-piston caliper in the rear, ensuring reliable stopping power. **
Pros
- Lightweight and Agile: At just 41.5 kg, the KTM 50 SX is exceptionally easy for young riders to handle, enhancing their ability to learn and grow in their riding skills.
- Powerful Two-Stroke Engine: The 49cc engine delivers impressive acceleration and responsiveness, providing an exhilarating ride that keeps young riders engaged.
- High-Quality Suspension: With advanced WP suspension technology, the bike offers excellent shock absorption and stability, making it suitable for various terrains.
Cons
- Limited Fuel Capacity: With a 2.30-litre tank, riders may find themselves refueling more frequently during longer sessions or races.
- Seat Height: The seat height of 684 mm (26.9 inches), although adjustable, may be a bit high for some younger or shorter riders.
- Kick Starter Only: The absence of an electric starter may be a hurdle for some beginners who may struggle with kick-starting the engine.
Technical details
Source specification data
- Make
- KTM
- Model
- 50 SX
- Category
- Cross-motocross
- Starter
- Kick
- Color Options
- Orange/Black
- Clutch
- 3-lining automatic clutch on the main shaft / centrifugal force
- Ignition
- SELETTRA 2p D36
- Driveline
- 11:40. Primary drive: 33:61 straight cut spur gear.
- Engine Type
- Reed intake.
- 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
- Lubrication System
- Mixture oil lubrication
- Transmission Type Final Drive
- Chain
- Dry Weight
- 41.5 kg (91.5 pounds)
- Seat Height
- 684 mm (26.9 inches) If adjustable, lowest setting.
- Fuel Capacity
- 2.30 litres (0.61 gallons)
- Ground Clearance
- 252 mm (9.9 inches)
- Rake
- 24.0°
- Frame Type
- Central tube frame of chrome molybdenum steel tubing, powder-coated
- Rear Brakes
- Single disc. Two-piston calipers.
- Front Brakes
- Single disc. Four-piston calipers.
- Rear Suspension
- WP Suspension 3614 BAEM
- Front Suspension
- WP Suspension USD 35
- Rear Wheel Travel
- 185 mm (7.3 inches)
- Front Wheel Travel
- 205 mm (8.1 inches)
- Rear Brakes Diameter
- 140 mm (5.5 inches)
- Front Brakes Diameter
- 160 mm (6.3 inches)