Minibikes
2011Cobra CX50 SR
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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.
- Capacity
- 50.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 1-speed
- Dry weight
- 41.3 kg
- Seat height
- 680 mm
- Power
- 5.4 HP (4.0 kW)
What’s new for the 2011 Cobra CX50 SR
vs the 2009| Spec | 2009 | 2011 |
|---|---|---|
| Gearbox | — | 1-speed |
| Front suspension | Cobra 30mm USD 210mm travel | Cobra 30mm USD |
| Rear suspension | Fox Piggyback Fully Adjustable 248mm travel | CARD Fully Adjustable (High and Low Speed) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for competitive pit-bike and minimoto cross racing, with race-grade suspension and brakes packed into a tiny lightweight cross chassis.
- Built for
- A high-strung, featherweight two-stroke cross machine that rewards aggressive, precise riding with sharp, flickable handling on tight tracks.
- Not ideal for
- This is not for riders wanting a comfortable commuter, a highway tourer, or anyone needing to carry a passenger or luggage.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 50.0 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1308 HP/kg (dry)
- Bore x stroke
- 39.0 x 41.7 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Lubrication system
- Mixture lubrication
Transmission
- Gearbox
- 1-speed
- Transmission type
- Automatic
- Final drive
- Chain
- Clutch
- Cobra 3Gx 3-Shoe
Dimensions & weight
- Wheelbase
- 990 mm
- Seat height
- 680 mm
- Dry weight
- 41.3 kg
- Ground clearance
- 245 mm
Chassis & suspension
- Frame
- Twin Spar Oval HSLA
- Front suspension
- Cobra 30mm USD
- Rear suspension
- CARD Fully Adjustable (High and Low Speed)
- Front wheel travel
- 210 mm
- Rear wheel travel
- 270 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 160 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 140 mm
- Front tyre
- 2.50-12
- Rear tyre
- 2.75-10
Other
- Color options
- Yellow/red/black/white
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2009 | 2011 | 2012 | 2013 |
|---|---|---|---|---|
| Capacity | 50 cc | 50 cc | 50 cc | 50 cc |
| Dry weight | 41 kg | 41 kg | 41 kg | 41 kg |
| Seat height | 680 mm | 680 mm | 680 mm | 680 mm |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Cobra CX50 SR?
The 2011 Cobra CX50 SR has a Capacity of 50.0 ccm (3.05 cubic inches).
What engine power does the Cobra CX50 SR have?
The 2011 Cobra CX50 SR has a Power of 5.4 HP (4.0 kW).
How many gears does the Cobra CX50 SR have?
The 2011 Cobra CX50 SR has a Gearbox of 1-speed.
How much does the Cobra CX50 SR weigh?
The 2011 Cobra CX50 SR has a Dry weight of 41.3 kg (91.1 pounds).
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