Minibikes
2008Polini XP 4 Street 125
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The 2008 Polini XP 4 Street 125 is a lightweight mini bike designed for riders seeking nimble urban performance and entry-level sport riding. Its air-cooled single-cylinder engine delivers accessible power with reliable kick and electric starting options, making it ideal for commuters and novice riders appreciating agile handling and manageable maintenance.
- Capacity
- 120.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 4-speed
- Wet weight
- 68.5 kg
- Seat height
- 790 mm
- Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built for playful, short-distance urban riding and messing around rather than serious transportation or performance riding.
- Built for
- It has a cheeky, go-kart-like personality with mini 10-inch wheels and supermotard styling that rewards flickable, playful riding.
- Not ideal for
- It is not suitable for highway travel, long-distance touring, or riders needing serious power and stability at speed.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 120.7 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.2190 HP/kg (wet)
- Bore x stroke
- 52.4 x 56.0 mm
- Compression
- 9.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- Electronic
Transmission
- Gearbox
- 4-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multidisc in oilbath
Dimensions & weight
- Wheelbase
- 1150 mm
- Seat height
- 790 mm
- Wet weight
- 68.5 kg
- Fuel capacity
- 3.00 litres
Chassis & suspension
- Front suspension
- Hydraulic fork
- Rear suspension
- Monoshock
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 200 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 150 mm
- Front tyre
- 3.50-10
- Rear tyre
- 3.50-10
Other
- Color options
- Grey/blue
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 | 2008 | 2009 | 2010 |
|---|---|---|---|
| Capacity | 121 cc | 121 cc | 121 cc |
| Seat height | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 3 L | 3 L | 3 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 Polini XP 4 Street 125?
The 2008 Polini XP 4 Street 125 has a Capacity of 120.7 ccm (7.37 cubic inches).
What engine power does the Polini XP 4 Street 125 have?
The 2008 Polini XP 4 Street 125 has a Power of 15.0 HP (11.0 kW).
How many gears does the Polini XP 4 Street 125 have?
The 2008 Polini XP 4 Street 125 has a Gearbox of 4-speed.
How much does the Polini XP 4 Street 125 weigh?
The 2008 Polini XP 4 Street 125 has a Wet weight of 68.5 kg (151.0 pounds).
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