2011MBK X-Power
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The 2011 MBK X-Power is a 50cc sports bike for young riders on a moped licence. Its liquid-cooled 49.7cc two-stroke single drives through a six-speed manual gearbox and chain. With a 790 mm seat, a 120 kg wet weight and a 7-litre tank, it offers full-size sports-bike styling at learner level. MBK is Yamaha's French brand.
- Capacity
- 49.7 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 114.2 kg
- Seat height
- 790 mm
- Power
- 2.7 HP (2.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's designed as a sporty-styled city commuter for short urban trips rather than any kind of performance or long-distance machine.
- Built for
- The X-Power mimics the look of a small sportbike with disc brakes and a six-speed gearbox, but its 50cc two-stroke engine only offers modest performance typical of the moped class.
- Not ideal for
- This bike is not for riders wanting real speed, highway touring capability, off-road use, or carrying a passenger any real distance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.7 ccm
- Power
- 2.7 HP (2.0 kW)
- Torque
- 2.9 Nm (0.3 kgf-m)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0236 HP/kg (dry)
- Bore x stroke
- 40.3 x 39.0 mm
- Compression
- 11.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- CDI
- Lubrication system
- Separate lubrication
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multiple disc
Dimensions & weight
- Wheelbase
- 1275 mm
- Overall length
- 2002 mm
- Overall width
- 689 mm
- Overall height
- 1105 mm
- Seat height
- 790 mm
- Dry weight
- 114.2 kg
- Wet weight
- 120.0 kg
- Fuel capacity
- 7.00 litres
- Ground clearance
- 151 mm
- Oil capacity
- 1.30 litres
Chassis & suspension
- Front suspension
- Telescopic fork
- Rear suspension
- Swingarm
- Front wheel travel
- 130 mm
- Rear wheel travel
- 31 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 280 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 100/80-H17
- Rear tyre
- 130/70-H17
Other
- Color options
- 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 | 2005 | 2007 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|
| Capacity | 50 cc | 50 cc | 50 cc | 50 cc | 50 cc | 50 cc |
| Dry weight | 113 kg | 114 kg | 114 kg | 114 kg | 114 kg | 114 kg |
| Seat height | 815 mm | 815 mm | 790 mm | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 13.8 L | 13.8 L | 7 L | 7 L | 7 L | 7 L |
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 MBK X-Power?
The 2011 MBK X-Power has a Capacity of 49.7 ccm (3.03 cubic inches).
What engine power does the MBK X-Power have?
The 2011 MBK X-Power has a Power of 2.7 HP (2.0 kW).
How many gears does the MBK X-Power have?
The 2011 MBK X-Power has a Gearbox of 6-speed.
What is the torque of the MBK X-Power?
The 2011 MBK X-Power has a Torque of 2.9 Nm (0.3 kgf-m or 2.1 ft.lbs).
How much does the MBK X-Power weigh?
The 2011 MBK X-Power has a Dry weight of 114.2 kg (251.8 pounds).
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