Polini 911 GP5 - 2008 Specifications and Reviews

The 2008 Polini 911 GP5 is a lightweight sport minibike designed for young riders and racing enthusiasts seeking entry-level competition experience. Powered by a 39.9cc two-stroke engine, it delivers sharp throttle response and nimble handling through its latticed frame. The bike is best known for its agility on tight circuits and affordable platform for developing fundamental riding skills.

2008
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Engine and Transmission Specifications

ClutchDry with centrifuge counter weights
IgnitionElectronic
Fuel systemCarburettor. Dell´Orto PHBG 15
Bore x stroke36.0 x 39.2 mm (1.4 x 1.5 inches)
Engine typeSingle cylinder, two-stroke
Capacity:39.90 ccm (2.43 cubic inches)

CategoryMinibike, sport
Year2008
ModelPolini 911 GP5

Brakes, suspension, Frame and wheels

Rear brakes diameter130 mm (5.1 inches)
Rear brakesSingle disc
Front brakes diameter148 mm (5.8 inches)
Front brakesSingle disc
Rear tyre dimensions110/50-R6.5
Front tyre dimensions90/65-R6.5
Frame typeLatticed tubular frame
 
 

Physical measures and capacities

Fuel capacity1.50 litres (0.40 gallons)
Overall width240 mm (9.4 inches)
Overall length1,065 mm (41.9 inches)
Seat height460 mm (18.1 inches) If adjustable, lowest setting.
Dry weight22.0 kg (48.5 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsWhite/blue
StarterKick

Performance Profile & Rider Fit

Best For

Track85%
City10%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a specialist minibike best suited to experienced riders or racers who understand small-wheel pit-bike dynamics, not beginners looking for a first bike.
PurposeBuilt purely for minimoto track days and competitive pit-bike racing, where its tiny size and light weight allow extremely tight, fast cornering.
Rider FitRequires a compact, agile riding style with low seat height and cramped ergonomics, so it favors smaller riders comfortable folding into a tucked racing position.
CharacterA tiny, high-strung two-stroke racer that rewards aggressive throttle and body-steering technique with go-kart-like agility on tight circuits.
Not Ideal ForIt is not suitable for road use, touring, carrying a passenger, or riders wanting comfort and stability at real-world speeds.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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