
Cobra CX50 SR
Key specifications
Overview
### Introducing the 2013 Cobra CX50 SR: A Minibike Marvel For young riders and aspiring motocross champions, the 2013 Cobra CX50 SR stands as a beacon of performance and agility in the minibike-cross category. This agile machine is specifically engineered for the rigors of competitive racing, making it an ideal choice for those looking to hone their skills on the track. With its lightweight frame, powerful engine, and advanced suspension system, the CX50 SR offers an exhilarating ride that is both fun and educational for budding motocross enthusiasts. ### Engine Performance and Riding Characteristics At the heart of the Cobra CX50 SR is a potent 50cc single-cylinder, two-stroke engine, boasting an impressive bore and stroke of 39.0 x 41.7 mm. This engine configuration delivers snappy acceleration and crisp throttle response, enabling riders to navigate tight corners and open straights with confidence. Coupled with a reliable 19 mm carburettor and liquid cooling system, the CX50 SR maintains optimal performance even in the heat of competition. Weighing in at just 41 kg (90.4 pounds), this minibike achieves an excellent power-to-weight ratio, allowing riders to experience the thrill of speed without feeling weighed down. The unique Cobra 4G x 3-Shoe clutch provides smooth power delivery, ensuring that the bike responds precisely to the rider's commands, whether tackling obstacles or racing against the clock. ### Key Features and Technologies The CX50 SR is engineered with a robust twin-spar oval HSLA frame, designed for maximum rigidity and durability while maintaining a lightweight profile. A fully adjustable CARD rear suspension system provides riders with the ability to tailor their setup for various tracks and conditions, ensuring a smooth ride over bumps and jumps alike. The front suspension features a 30mm USD fork with 210 mm of travel, offering excellent shock absorption and handling precision. Hydraulic disc brakes on both the front and rear provide reliable stopping power, with a 160 mm front disc and a 140 mm rear disc ensuring confident braking. The adjustable seat height of 680 mm (at its lowest setting) caters to a range of rider sizes, making it accessible for younger racers eager to take their first steps into the world of motocross. ###
Pros
Cons
- Lightweight Construction: At just 41 kg, the CX50 SR is easy to handle, making it ideal for young riders and beginners.
- Superior Suspension: With adjustable front and rear suspension, riders can customize their setup for optimal performance on different terrains.
- Responsive Engine: The 50cc two-stroke engine delivers quick acceleration and great power for competitive racing.
- Limited Power Band: As a smaller engine, the performance may not satisfy more experienced riders seeking higher speeds.
- Kick Starter Only: The absence of an electric start may present challenges for younger riders or those unfamiliar with kick-starting techniques.
- Minimal Features: While focused on performance, the CX50 SR lacks some of the advanced tech offerings found in larger, more sophisticated bikes.
Technical details
Source specification data
- Make
- Cobra
- Model
- CX50 SR
- Category
- Minibike-cross
- Starter
- Kick
- Color Options
- Yellow/red/black/white
- Clutch
- Cobra 4G x 3-Shoe
- Driveline
- Patented Cobra Friction Driv
- Engine Type
- Case Reed / V-Force® Reed Valve
- Fuel System
- Carburettor. 19 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
- 41.0 kg (90.4 pounds)
- Seat Height
- 680 mm (26.8 inches) If adjustable, lowest setting.
- Ground Clearance
- 245 mm (9.6 inches)
- Wheels
- Magnesium
- Rear Tyre
- 2.75-10
- Frame Type
- Twin Spar Oval HSLA
- Front Tyre
- 2.50-10
- Rear Brakes
- Single disc. Hydraulic
- Front Brakes
- Single disc. Hydraulic
- Rear Suspension
- CARD Fully Adjustable (High and Low Speed)
- Front Suspension
- CARD VSTC 30mm USD
- Rear Wheel Travel
- 248 mm (9.8 inches)
- Front Wheel Travel
- 210 mm (8.3 inches)
- Rear Brakes Diameter
- 140 mm (5.5 inches)
- Front Brakes Diameter
- 160 mm (6.3 inches)