Back to Bike FinderYears: 2007

2007Minibike
Polini 910 GP4 Air Junior
Key specifications
Engine
40 cc
Power
4 HP
Weight
21 kg
Fuel type
petrol
Seat height
16 mm
Front brakes
Single disc
Rear brakes
Single disc. 130
Technical details
Source specification data
- Make
- Polini
- Model
- 910 GP4 Air Junior
- Category
- Minibike-sport
- Starter
- Kick
- Color Options
- Blue/white
- Power
- 4.20 HP (3.1 kW))
- Clutch
- Dry with centrifuge counter weights
- Ignition
- Electronic with inductive discharge
- Fuel System
- Carburettor. SHA 14-14
- Bore X Stroke
- 36.0 x 39.0 mm (1.4 x 1.5 inches)
- Compression
- 14.0:1
- Displacement
- 39.69 ccm (2.42 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, two-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 20.5 kg (45.2 pounds)
- Seat Height
- 395 mm (15.6 inches) If adjustable, lowest setting.
- Overall Width
- 240 mm (9.4 inches)
- Overall Length
- 940 mm (37.0 inches)
- Power Weight Ratio
- 0.2049 HP/kg
- Rear Tyre
- 90/65-R6.5
- Frame Type
- Latticed tubular frame
- Front Tyre
- 90/65-R6.5
- Rear Brakes
- Single disc. 130
- Front Brakes
- Single disc
- Front Brakes Diameter
- 148 mm (5.8 inches)
Available colors
Blue/white