
Cobra CX50 JR
Key specifications
Overview
Introducing the 2019 Cobra CX50 JR, a standout minibike-cross machine designed specifically for young riders and aspiring motocross champions. Cobra has built a reputation for crafting high-performance bikes that meld agility with user-friendliness, and the CX50 JR is no exception. This model is tailored to provide budding riders with a robust platform to hone their skills, offering a perfect blend of lightweight design and powerful performance. With its sleek lines and vibrant color options in yellow, red, and gray, it not only looks the part but also stands out on the track. At the heart of the CX50 JR lies a spirited single-cylinder, two-stroke engine with a displacement of 50.00 ccm. This engine delivers responsive power, allowing young riders to accelerate with confidence while mastering their technique. The 39.0 mm bore and 41.7 mm stroke create a peppy power band, and the 14 mm carburettor ensures efficient fuel delivery for optimal performance. With a lightweight chassis tipping the scales at just 36.7 kg (81.0 pounds), this bike is agile and nimble, making tight turns and quick maneuvers feel effortless. The 1-speed gearbox paired with a Cobra 3Gx 3-shoe clutch offers smooth engagement, perfect for those just starting their motocross journey. What sets the CX50 JR apart is its thoughtfully engineered chassis and suspension system. Built on a double cradle 4130 CrMo steel frame, it provides durability while still being light enough for young riders to handle. The front and rear suspension travel of 170 mm, supported by advanced CARD technology, absorbs bumps with ease, ensuring a smooth ride over varied terrains. The dual disc brake system, featuring a 160 mm front and 140 mm rear disc, delivers excellent stopping power, instilling confidence in young riders as they tackle their first jumps and turns. With a ground clearance of 216 mm, the bike is well-equipped to handle off-road adventures while maintaining stability. **
Pros
- Lightweight Design: At only 36.7 kg, the CX50 JR is easy for young riders to control and maneuver, enhancing the learning experience.
- Responsive Engine Performance: The 50cc two-stroke engine offers lively acceleration and a fun ride, perfect for building confidence on the track.
- Advanced Suspension System: With 170 mm of travel both front and rear, the CARD suspension technology provides excellent handling and comfort on rough terrains.
Cons
- 1-Speed Gearbox: The single-speed transmission may limit experienced young riders looking for more control over their power delivery.
- Kick Start Only: The kick starter may present a challenge for beginners who are still developing their technique.
- Small Fuel Capacity: With a fuel capacity of just 2.60 liters, riders may need to refuel more frequently during longer practice sessions or races.
Technical details
Source specification data
- Make
- Cobra
- Model
- CX50 JR
- Category
- Minibike-cross
- Starter
- Kick
- Color Options
- Yellow/red/gray
- Clutch
- Cobra 3Gx 3-Shoe
- Gearbox
- 1-speed
- Engine Type
- V-Force Reed Valve
- Fuel System
- Carburettor. 14 mm
- Bore X Stroke
- 39.0 x 41.7 mm (1.5 x 1.6 inches)
- Displacement
- 50.00 ccm (3.05 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Exhaust System
- Tuned pipe and silencer
- Lubrication System
- Mixture lubrication
- Transmission Type Final Drive
- Chain
- Dry Weight
- 36.7 kg (81.0 pounds)
- Seat Height
- 607 mm (23.9 inches) If adjustable, lowest setting.
- Fuel Capacity
- 2.60 litres (0.69 gallons)
- Ground Clearance
- 216 mm (8.5 inches)
- Wheels
- Cobra 10 inch Billet
- Rear Tyre
- 70/100-10
- Frame Type
- Double Cradle 4130 CrMo steel
- Front Tyre
- 60/100-10
- Rear Brakes
- Single disc
- Front Brakes
- Single disc
- Rear Suspension
- CARD Adjustable Piggyback
- Front Suspension
- CARD 30mm USD
- Rear Wheel Travel
- 170 mm (6.7 inches)
- Front Wheel Travel
- 170 mm (6.7 inches)
- Rear Brakes Diameter
- 140 mm (5.5 inches)
- Front Brakes Diameter
- 160 mm (6.3 inches)