14 August. Friday 2026
Cobra CX50 JR - 2018 Specifications and Reviews
The 2018 Cobra CX50 JR is a lightweight beginner-friendly mini motorcycle designed for young riders and children learning to ride. Its compact dimensions, low 607mm seat height, and manageable kickstart operation make it accessible for novice riders. Known for its nimble handling and affordable entry-level performance, the CX50 JR excels in off-road and flat terrain riding.
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 control | Single Overhead Cams (SOHC) |
| Fuel system | Carburettor. 14 mm |
| Bore x Stroke | 39.0 x 41.7 mm (1.5 x 1.6 inches) |
| Engine details | V-Force Reed Valve |
| Engine type | Single cylinder, two-stroke |
| Category | Minibike, cross |
| Year | 2018 |
| Model | Cobra CX50 JR |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Cobra 10 inch 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 | 70/100-10 |
| Front tyre | 60/100-10 |
| Rear wheel travel | 170 mm (6.7 inches) |
| Rear Suspension | CARD Adjustable Piggyback |
| Front wheel travel | 170 mm (6.7 inches) |
| Front Suspension | CARD 30mm USD |
| Frame type | Double Cradle 4130 CrMo steel |
Physical measures and capacities | |
| Fuel capacity | 2.60 litres (0.69 gallons) |
| 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 | 36.0 kg (79.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Yellow/red/gray |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This bike is built for young or beginner riders, typically kids, learning off-road skills under supervision rather than for experienced adult riders. |
| Purpose | It's a pint-sized cross/minibike designed for motocross-style practice tracks and off-road play rather than any road use. |
| Rider Fit | Its tiny 40kg weight, low seat height, and automatic clutch make it extremely easy and unintimidating for small or young riders to handle. |
| Character | Playful, nimble, and toy-like in scale, yet fitted with genuinely serious adjustable suspension and disc brakes for real off-road performance. |
| Not Ideal For | This is not suitable for adult riders, highway travel, passengers, or anyone seeking speed, comfort, or long-distance capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2018 Cobra CX50 JR is an impressive motorcycle for young riders looking to get into the sport. With its air-cooled 50cc engine, this bike provides the perfect balance of power and control for beginners. The lightweight design and adjustable suspension make it easy for younger riders to handle, while the sturdy construction ensures durability on the track. In addition to its performance, the 2018 Cobra CX50 JR also features a stylish design that will appeal to young riders. The unique graphics and sleek lines make this bike stand out on the track, while the comfortable seat and easy-to-use controls make it a joy to ride. Overall, the 2018 Cobra CX50 JR is a top choice for young riders looking for a high-quality, reliable motorcycle to begin their racing journey.Add a Comment
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