Polini XP 4 Street 50 - 2010 Specifications and Reviews
The 2010 Polini XP 4 Street 50 is a lightweight super motard designed for beginner and young riders seeking nimble urban performance. Its air-cooled four-stroke engine and adjustable suspension deliver responsive handling and reliability on tight city streets and light off-road trails. Best known for affordable fun and easy maneuverability in crowded environments.
Engine and Transmission Specifications | |
| Clutch | Multidisc in oilbath |
| Transmission type,final drive | Chain |
| Gearbox | 4-speed |
| Cooling system | Air |
| Ignition | Electronic |
| Fuel system | Carburettor. Mikuni 16 |
| Bore x stroke | 39.0 x 41.0 mm (1.5 x 1.6 inches) |
| Compression | 9.5:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| | |
| Category | Super motard |
| Year | 2010 |
| Model | Polini XP 4 Street 50 |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 150 mm (5.9 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 200 mm (7.9 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.50-10 |
| Front tyre dimensions | 3.50-10 |
| Rear suspension | Adjustable monoshock |
| Front suspension | Hydraulic fork 33mm |
Physical measures and capacities | |
| Fuel capacity | 3.00 litres (0.79 gallons) |
| Wheelbase | 1,150 mm (45.3 inches) |
| Seat height | 790 mm (31.1 inches) If adjustable, lowest setting. |
| Dry weight | 68.0 kg (149.9 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Balck/blue |
| Starter | Electric & kick |
Performance Profile & Rider Fit
Best For
Track25%
City70%
Cornering55%
Daily Riding40%
Touring10%
Passenger10%
Rider Profile
| Best For | This tiny 50cc supermotard-styled minibike suits beginners, younger riders, or hobbyists looking for a fun low-stakes machine rather than experienced riders seeking real performance. |
| Purpose | It is built for playful, low-speed urban messing about and minibike track days rather than any serious speed or distance riding. |
| Rider Fit | Its very low seat height, tiny 68kg dry weight, and 10-inch wheels make it extremely easy to handle for smaller or lighter riders, though tall or heavy riders will feel cramped. |
| Character | Expect a light, flickable, go-kart-like feel with sharp steering thanks to the small wheels and minimal weight, but very limited top speed from the 49cc air-cooled single. |
| Not Ideal For | This is not for riders wanting highway capability, long-distance touring, passenger carrying, or genuine off-road adventure. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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