Cobra CX50 Junior - 2012 Specifications and Reviews

The 2012 Cobra CX50 Junior is a compact 50cc minibike designed for young riders and beginners seeking entry-level off-road performance. Its lightweight two-stroke engine with V-Force reed valve technology delivers responsive power ideal for learning fundamental riding skills. The liquid-cooled design and tuned exhaust system ensure reliability during extended play sessions.

2012
Not Rated stars Average rating: Not Rated from 0 votes
.

Engine and Transmission Specifications

Exhaust systemTuned pipe and silencer
ClutchCobra 3Gx 3-Shoe
Transmission type,final driveChain
Gearbox1-speed
Cooling systemLiquid
Lubrication systemMixture lubrication
Fuel controlSOHC
Fuel systemCarburettor
Bore x stroke39.0 x 41.7 mm (1.5 x 1.6 inches)
Engine detailsV-Force Reed Valve
Engine typeSingle cylinder, two-stroke
Capacity:50.00 ccm (3.05 cubic inches)

CategoryMinibike, cross
Year2012
ModelCobra CX50 Junior
 
 

Brakes, suspension, Frame and wheels

WheelsCobra 10 inch Billet
Rear brakes diameter140 mm (5.5 inches)
Rear brakesSingle disc
Front brakes diameter160 mm (6.3 inches)
Front brakesSingle disc
Rear tyre dimensions2.75-10
Front tyre dimensions2.50-10
Rear suspension travel170 mm (6.7 inches)
Rear suspensionCARD Adjustable Piggyback
Front suspension travel170 mm (6.7 inches)
Front suspensionCARD 30mm USD
Frame typeDouble Cradle 4130 CrMo steel

Physical measures and capacities

Wheelbase908 mm (35.7 inches)
Ground clearance216 mm (8.5 inches)
Seat height607 mm (23.9 inches) If adjustable, lowest setting.
Dry weight36.7 kg (81.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Modifications compared to previous modelRear disk brake.
Color optionsYellow/red/black/white
StarterKick

Performance Profile & Rider Fit

Best For

Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a children's minibike designed for young, beginner riders learning motocross fundamentals under supervision, not for adults or experienced riders seeking performance.
PurposeBuilt purely for small-statured youth to practice off-road cornering, throttle control, and basic motocross skills in a controlled, low-speed environment.
Rider FitIts tiny 10-inch wheels, 607mm seat height, and 36.7kg weight mean it suits only children or very small, lightweight riders physically.
CharacterA 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 ForThis 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.

Rider Reviews

Add a Comment


Please Login or Register if you would like to leave a comment.