Minibikes
2011Polini 911 GP5 Reverse 50
27 fields on record
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.
- Capacity
- 49.3 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 20.5 kg
- Seat height
- 460 mm
- Power
- 5.4 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This is a pure minibike built for tight-track sport riding, pit-bike racing, and honing cornering technique at low cost and low risk.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.3 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2634 HP/kg (dry)
- Bore x stroke
- 40.0 x 39.0 mm
- Compression
- 16.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Lubrication system
- 2% mixture
Transmission
- Final drive
- Chain
- Clutch
- Dry centrifugal
Dimensions & weight
- Overall length
- 1160 mm
- Overall width
- 240 mm
- Seat height
- 460 mm
- Dry weight
- 20.5 kg
- Fuel capacity
- 1.50 litres
Chassis & suspension
- Frame
- Latticed tubular frame
- Front suspension
- Telescopic fork
- Rear suspension
- Swing arm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 148 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 130 mm
- Front tyre
- 90/65-R6.5
- Rear tyre
- 110/50-R6.5
Other
- Color options
- Blue/white
Specs last verified against published sources: .
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 Polini 911 GP5 Reverse 50?
The 2011 Polini 911 GP5 Reverse 50 has a Capacity of 49.3 ccm (3.01 cubic inches).
What engine power does the Polini 911 GP5 Reverse 50 have?
The 2011 Polini 911 GP5 Reverse 50 has a Power of 5.4 HP (4.0 kW).
How much does the Polini 911 GP5 Reverse 50 weigh?
The 2011 Polini 911 GP5 Reverse 50 has a Dry weight of 20.5 kg (45.2 pounds).
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