2011 Cobra CX50 SR Technical Analysis & Specification Breakdown
Positioned in Cobra's minibike, cross motorcycle lineup, the 2011 Cobra CX50 SR pairs a 50 cc (3.1 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 39.0 x 41.7 mm (1.5 x 1.6 inches).
On the scales, the CX50 SR measures 41.3 kg (91 lbs) dry. Rider ergonomics and chassis geometry center around a 680 mm (26.8 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 990 mm (39 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Cobra archive, this model family spans 4 indexed model years from 2009 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
680 mm (26.8 in)
Engine
Displacement50.0 ccm (3.05 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsCase Reed / V-Force® Reed Valve
Bore x Stroke39.0 x 41.7 mm (1.5 x 1.6 inches)
Fuel SystemCarburettor
LubricationMixture lubrication
CoolingLiquid
Transmission
Gearbox1-speed
Final DriveChain (final drive)
ClutchCobra 3Gx 3-Shoe
Performance
ExhaustTuned pipe and silencer
Chassis
Frame TypeTwin Spar Oval HSLA
Front SuspensionCobra 30mm USD
Front Travel210 mm (8.3 inches)
Rear SuspensionCARD Fully Adjustable (High and Low Speed)
Rear Travel270 mm (10.6 inches)
Wheelbase990 mm (39.0 inches)
Ground Clearance245 mm (9.6 inches)
Wheels & Brakes
Front Tyre2.50-12
Rear Tyre2.75-10
Front BrakesSingle disc
Front Brake Ø160 mm (6.3 inches)
Rear BrakesSingle disc
Rear Brake Ø140 mm (5.5 inches)
WheelsCobra 12´ Billet / Cobra 10´ Billet
Dimensions & Weight
Dry Weight41.3 kg (91.0 pounds)
Seat Height680 mm (26.8 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
