VESPA 946 E4 EMEA 2021 Manual page 30

Technical Data
Specification
Engine
Engine capacity
Bore per stroke
Max. power
MAX torque
Compression ratio
Timing system
Valve clearance (cold engine)
Spark plug
Power supply
Cooling
Lubrication
Starting
Gearbox
Clutch
Exhaust silencer
Emissions compliance
Capacities
FOR THE EUROPE-PAP-CHINA VERSION
Specification
Engine oil quantity
Hub oil quantity
Fuel tank
FOR USA-LATAM VERSION
Specification
Engine oil quantity
Hub oil quantity
Fuel tank capacity
Tightening Torques
Head cover screws
Cylinder head nut (PRE-TIGHTENING)
Cylinder head nut (TIGHTENING)
Cylinder stud bolt fitting
Throttle body clamp screws
Tensioner spring retaining screw
Fastener chain tensioner
Thermostat cover screws
Pressure reducer counterweight retainer screw
Injection manifold fixing screws
Valve clearance adjustment screw
Spark plug tightening
Timing system sprocket fixing screw
Screws fixing cylinder to crankcase
DT - 30
Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)
150 ³ ENGINE SPECIFICATIONS
CM
Fuel
CAPACITY
CAPACITY
HEAD AND CYLINDER
Name
Desc./Quantity
Single-cylinder, 4-stroke Piaggio LEM
155 cm³
58 x 58.6 mm
9.0 KW at 8,000 rpm
12.0 Nm at 7,000 rpm
10.5: 1
3 valves, single overhead camshaft, chain-driven.
intake: 0.08 mm outlet: 0.08 mm
NGK CR8EB
Electronic injection with Ø 28 mm throttle body, single injector
Forced-air circulation cooling.
Wet sump
Electric
Continuously variable transmission with torque server
Automatic centrifugal dry clutch
Unleaded gasoline E10 (95 R.O.N.)
Absorption-type exhaust silencer with catalytic converter.
CHINA 4
Desc./Quantity
1,340 cm³ (of which 120 cm³ in the filtering cartridge)
300 cm³
8± 0.5 l (reserve about 1.5 l)
Desc./Quantity
81.7 in³ (of which 7.3 in³ in the filtering cartridge) (1,340 cm³ of
which 120 cm³ in the filtering cartridge)
18.3 in³ (300 cm³)
2.25 gal (of which 0.4 gal reserve) (8.5 l of which 1.5 l reserve)
Torque in Nm
10.8 to 12.7 (7.9 to 9.4 lb*ft)
6 to 8 (4.4 to 5.9 lb*ft)
9 to 11 (6.6 to 8.1 lb*ft) (Tighten to the specified torque then
rotate 270.0°±5.0°)
See section ENGINE/LUBRICATION/STUD BOLT
1.3 to 1.7 (0.9 to 1.2 lb*ft)
5 to 6 (3.7 to 4.4 lb*ft)
11 to 13 (8.1 to 9.5 lb*ft)
3 to 4 (2.2 to 2.9 lb*ft)
7 to 8.5 (5.2 to 6.2 lb*ft)
11 to 13 (8.1 to 9.5 lb*ft)
6 to 9 (4.4 to 6.6 lb*ft)
10 to 12 (7.4 to 8.8 lb*ft)
4 to 6 (2.9 to 4.4 lb*ft)
10.8 to 12.7 (7.9 to 9.4 lb*ft)