Cobra CX50 Junior - 2011 Specifications and Reviews
The 2011 Cobra CX50 Junior is a lightweight minibike designed for young and beginner riders seeking entry-level off-road experience. Powered by a liquid-cooled 50cc two-stroke engine with a tuned exhaust system, it delivers accessible performance on a responsive chassis. Known for its affordability and durability, the CX50 Junior is best suited for learning fundamental riding skills on trails and beginner tracks.
2011
Engine and Transmission Specifications | |
| Exhaust system | Tuned pipe and silencer |
| Clutch | Cobra 3Gx 3-Shoe |
| Transmission type,final drive | Chain |
| Gearbox | 1-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture lubrication |
| Fuel system | Carburettor |
| Bore x stroke | 39.0 x 41.7 mm (1.5 x 1.6 inches) |
| Engine details | Case Reed / V-Force Reed Valve |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 50.00 ccm (3.05 cubic inches) |
| | |
| Category | Minibike, cross |
| Year | 2011 |
| Model | Cobra CX50 Junior |
Brakes, suspension, Frame and wheels | |
| Wheels | Cobra 10´ Billet / Cobra 10´ Billet |
| Rear brakes diameter | 140 mm (5.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 2.75-10 |
| Front tyre dimensions | 2.50-12 |
| Rear suspension travel | 170 mm (6.7 inches) |
| Rear suspension | Ohlins Piggyback |
| Front suspension travel | 160 mm (6.3 inches) |
| Front suspension | Marzocchi 32mm |
| Frame type | Double Cradle 4130 CrMo steel |
| | |
Physical measures and capacities | |
| Wheelbase | 908 mm (35.7 inches) |
| Ground clearance | 216 mm (8.5 inches) |
| Seat height | 607 mm (23.9 inches) If adjustable, lowest setting. |
| Dry weight | 36.7 kg (81.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Modifications compared to previous model | Rear disk brake. |
| Color options | Yellow/red/black/white |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a children's minibike designed for young, beginner riders learning motocross fundamentals under supervision, not for adults or experienced riders seeking performance. |
| Purpose | Built purely for small-statured youth to practice off-road cornering, throttle control, and basic motocross skills in a controlled, low-speed environment. |
| Rider Fit | Its tiny 10-inch wheels, 607mm seat height, and 36.7kg weight mean it suits only children or very small, lightweight riders physically. |
| Character | A tough little cross-trainer with real suspension travel and disc brakes front and rear, giving it surprisingly capable off-road manners for its size. |
| Not Ideal For | This is not suitable for adult riders, road use, passengers, or anyone expecting meaningful speed or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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