Polini 911 GP5 Reverse 50 - 2011 Specifications and Reviews
The 2011 Polini 911 GP5 Reverse 50 is a lightweight sport mini motorcycle designed for young riders and beginners seeking an affordable entry into racing. Weighing just 20.5kg with a compact 1,160mm length and low 460mm seat height, it excels in closed-track training and mini GP competition. Known for its nimble handling and responsive performance, this pocket rocket delivers pure racing thrills in a manageable package.
2011
Engine and Transmission Specifications | |
| Clutch | Dry centrifugal |
| Transmission type,final drive | Chain |
| Cooling system | Air |
| Lubrication system | 2% mixture |
| Fuel system | Carburettor. PHGB 19, reed valve in the crankcase |
| Bore x stroke | 40.0 x 39.0 mm (1.6 x 1.5 inches) |
| Compression | 16.5:1 |
| Engine details | Aluminium cylinder |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.30 ccm (3.01 cubic inches) |
| | |
| Category | Minibike, sport |
| Year | 2011 |
| Model | Polini 911 GP5 Reverse 50 |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 130 mm (5.1 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 148 mm (5.8 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/50-R6.5 |
| Front tyre dimensions | 90/65-R6.5 |
| Rear suspension | Swing arm |
| Front suspension | Telescopic fork |
| Frame type | Latticed tubular frame |
Physical measures and capacities | |
| Fuel capacity | 1.50 litres (0.40 gallons) |
| Overall width | 240 mm (9.4 inches) |
| Overall length | 1,160 mm (45.7 inches) |
| Seat height | 460 mm (18.1 inches) If adjustable, lowest setting. |
| Dry weight | 20.5 kg (45.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Blue/white |
| Light | No lights |
Performance Profile & Rider Fit
Best For
Track90%
City20%
Cornering90%
Daily Riding10%
Touring5%
Passenger0%
Rider Profile
| Best For | Best suited to riders who already understand minibike or pit-bike handling dynamics, since the tiny scale and razor-sharp reflexes punish clumsy inputs. |
| Purpose | This is a pure minibike built for tight-track sport riding, pit-bike racing, and honing cornering technique at low cost and low risk. |
| Rider Fit | Its 20.5 kg dry weight and 460 mm seat height mean it suits smaller or lighter riders, though the compact ergonomics can feel cramped for tall adults. |
| Character | Playful, flickable, and eager to change direction, this little two-stroke rewards aggressive throttle and body-steering with go-kart-like agility. |
| Not Ideal For | Not for anyone wanting real-world transportation, passenger carrying, long-distance comfort, or off-road capability, since it has no lights, minimal fuel range, and tiny wheels. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More Polini Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501





































Please Login or Register if you would like to leave a comment.