10 - 2001
TYPE 120/154/177
TECHNICAL DATA
Technical data - Type 120 and 120 S
Engine type: Type 120 / 120S
Bore / stroke: 56.4 mm / 50 mm
Displacement: 124.9 cm
3
Power (max.): 10 kW at 9000 rpm
Torque: 11 Nm at 7800 rpm
Idle speed: 1500 rpm
Max permissible
10,000 rpm
engine speed:
Compression ratio: 12.6 ± 0.4 : 1
Camshaft: 217°
V
alve clearance
:V
alve
inlet
:
0.05 - 0.09 mm
V
alve
exhaust
: 0.10 - 0.14 mm
Valve timing:
Inlet opens: 10° BTDC
(at 1 mm valve clearance)
Inlet closes: 27° ABDC
Exhaust opens: 27° BBDC
Exhaust closes: 10° ATDC
Ignition: Electronic battery ignition with variable advance
Spark advance:
Starting spark advance:
8° BTDC up to approx. 2500 rpm
Maximum spark advance:
30° BTDC starting from approx. 4000 rpm
Generator power: 12V 160W, direct current
Spark plug: 1 spark plug, 10 mm, NGK CR8 EVX
Spark plug gap: 0.7 - 0.9 mm
Starter: 0.6 kW starter motor
Fuel:
Unleaded petrol
ROZ (min.) = 95 octane
Cooling: liquid-cooled water pump incorporated
in circuit
Coolant: 50% antifreeze and 50% water
Thermostat:
Opening temperature approx. 75°C (Leonardo 120 only)
Oil pump: Eccentric rotor pump
Engine oil /
specifications:
A.P.I. specification: SF or SG
Engine oil / viscosity: SAE 0W30 or SAE 5W40 or SAE 15W40
Oil capacity: approx. 1000 cm
3
(1.0 l)
Gearbox oil /
API: GL 4 (5)
specifications
:
Gearbox oil / viscosity: HD 75W-90
Oil capacity:
Leonardo: 95 cm
3
(0.095 l)
Scarabeo: 110 cm
3
(0.11 l)
Primary drive: Automatic continuous transmission variator
Secondary drive: gearbox
Driving belt: Variator belt
Weight (dry): Leonardo approx. 27 kg
Scarabeo approx. 29 kg
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