VESPA Primavera S Manual page 101

Battery
SPECIFICATIONS - 125 ENGINES
Engine
Engine capacity
Bore per stroke
Max. power
MAX torque
Compression ratio
Timing system
Valve clearance (cold engine)
Spark plug
Fuel supply
Cooling
Lubrication
Start-up
Gearbox
Clutch
Sealed, 12 V / 6 Ah
Single-cylinder, 4-stroke Piaggio i-
Get
124 cm³
52 x 58.6 mm
7.9 kW at 7,700 rpm
10.4 Nm at 6,000 rpm
10.5 ± 0.5: 1
3 valves, single overhead
camshaft, chain-driven.
Intake: 0.08 mm Exhaust: 0.08 mm
NGK CR8EB
Electronic injection with Ø 26 mm
throttle body, single injector.
Forced-air circulation cooling.
Wet sump
Electric
Continuously variable
transmission with torque server
Automatic centrifugal dry clutch
101