Cobra CX50 SR - 2011 Specifications and Reviews

The 2011 Cobra CX50 SR is a lightweight minibike cross designed for young riders and beginners seeking affordable entry into off-road riding. Its liquid-cooled two-stroke engine and tuned pipe deliver responsive performance in a compact package, while the twin spar frame provides reliable handling for trail and pit bike use.

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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 systemCarburettor
Bore x stroke39.0 x 41.7 mm (1.5 x 1.6 inches)
Engine detailsCase Reed / V-Force Reed Valve
Engine typeSingle cylinder, two-stroke
Capacity:50.00 ccm (3.05 cubic inches)
 
 

CategoryMinibike, cross
Year2011
ModelCobra CX50 SR

Brakes, suspension, Frame and wheels

WheelsCobra 12´ Billet / Cobra 10´ 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 dimensions2.50-12
Rear suspension travel270 mm (10.6 inches)
Rear suspensionCARD Fully Adjustable (High and Low Speed)
Front suspension travel210 mm (8.3 inches)
Front suspensionCobra 30mm USD
Frame typeTwin Spar Oval HSLA

Physical measures and capacities

Wheelbase990 mm (39.0 inches)
Ground clearance245 mm (9.6 inches)
Seat height680 mm (26.8 inches) If adjustable, lowest setting.
Dry weight41.3 kg (91.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsYellow/red/black/white
StarterKick

Performance Profile & Rider Fit

Best For

Track55%
City10%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a specialist minibike best suited to riders who already have dirt bike experience or are being coached through youth or pit-bike racing, not a beginner street learner tool.
PurposeBuilt purely for competitive pit-bike and minimoto cross racing, with race-grade suspension and brakes packed into a tiny lightweight cross chassis.
Rider FitIts 680mm seat height and 41kg dry weight make it accessible to smaller or younger riders, but the compact ergonomics will feel cramped for tall adults.
CharacterA high-strung, featherweight two-stroke cross machine that rewards aggressive, precise riding with sharp, flickable handling on tight tracks.
Not Ideal ForThis is not for riders wanting a comfortable commuter, a highway tourer, or anyone needing to carry a passenger or luggage.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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