Naked Motorcycles
2021Kuba X-Boss
19 fields on record
The 2021 Kuba X-Boss is a 50cc street motorcycle for young riders who need simple, affordable local transport. Its 48cc single makes 2.4 hp and weighs 83 kg dry.
- Capacity
- 48.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 83.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 2.4 HP (1.8 kW) @ 7000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Its tiny 49cc engine and drum brakes make it intended for casual, low-speed fun and learning rather than any genuine sporting or performance use.
- Built for
- It has a playful, toy-like personality with modest single-cylinder output that rewards patience rather than delivering excitement.
- Not ideal for
- This is not for taller, heavier adults, highway commuting, touring, or anyone seeking real speed or cornering performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 48.0 ccm
- Power
- 2.4 HP (1.8 kW) @ 7000 RPM
- Torque
- 2.7 Nm (0.3 kgf-m) @ 6500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0289 HP/kg (dry)
- Fuel system
- Carburettor
Dimensions & weight
- Wheelbase
- 1475 mm
- Overall length
- 1860 mm
- Overall width
- 725 mm
- Overall height
- 1000 mm
- Dry weight
- 83.0 kg
- Fuel capacity
- 9.00 litres
- Seat height
- Not on record - add it
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 2.50-17
- Rear tyre
- 2.75-17
Other
- Color options
- Red, Black, Camo
- Comments
- Turkish brand.
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 | 2020 | 2021 | 2022 |
|---|---|---|---|
| Capacity | 48 cc | 48 cc | 49 cc |
| Dry weight | 83 kg | 83 kg | 95 kg |
| Fuel capacity | 9 L | 9 L | 14 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 Kuba X-Boss?
The 2021 Kuba X-Boss has a Capacity of 48.0 ccm (2.93 cubic inches).
What engine power does the Kuba X-Boss have?
The 2021 Kuba X-Boss has a Power of 2.4 HP (1.8 kW) @ 7000 RPM.
What is the torque of the Kuba X-Boss?
The 2021 Kuba X-Boss has a Torque of 2.7 Nm (0.3 kgf-m or 2.0 ft.lbs) @ 6500 RPM.
How much does the Kuba X-Boss weigh?
The 2021 Kuba X-Boss has a Dry weight of 83.0 kg (183.0 pounds).
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