Minibikes
2008Xmotos XB-21
21 fields on record
The 2008 Xmotos XB-21 is a lightweight 50cc minibike designed for young riders and beginners seeking an affordable entry into motorcycling. Its compact frame, automatic transmission, and low seat height make it ideal for learning basic riding skills. Known for its simple air-cooled engine and minimal maintenance requirements, this cross-styled bike offers practical fun for casual off-road use.
- Capacity
- 50.0 ccm
- Engine
- Single
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 50.0 kg
- Seat height
- 650 mm
- Power
- 3.5 HP (2.6 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed for casual backyard and light off-road cross riding rather than any serious performance or commuting task.
- Built for
- A simple, low-power automatic pit-bike style machine that prioritizes fun and forgiveness over speed or capability.
- Not ideal for
- This is not suitable for adult riders seeking real off-road performance, highway travel, or carrying a passenger.
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
- 3.5 HP (2.6 kW)
- Engine type
- Single
- Power/weight ratio
- 0.0700 HP/kg (dry)
- Bore x stroke
- 39.0 x 41.4 mm
- Compression
- 9.4:1
- Cooling system
- Air
Transmission
- Transmission type
- Automatic
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 950 mm
- Overall length
- 1320 mm
- Seat height
- 650 mm
- Dry weight
- 50.0 kg
- Fuel capacity
- 3.00 litres
- Ground clearance
- 150 mm
Chassis & suspension
- Front suspension
- Inverted hydraulic Adjustable shock
- Rear suspension
- Adjustable Air /Oil shock Absorber
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
Other
- Color options
- Black, Red, Green, Blue, Yellow, carbon block, orange
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Xmotos XB-21?
The 2008 Xmotos XB-21 has a Capacity of 50.0 ccm (3.05 cubic inches).
What engine power does the Xmotos XB-21 have?
The 2008 Xmotos XB-21 has a Power of 3.5 HP (2.6 kW).
How much does the Xmotos XB-21 weigh?
The 2008 Xmotos XB-21 has a Dry weight of 50.0 kg (110.2 pounds).
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