Fiat Cinquecento 1992 1993 User Manual

FIAT

Cinquecento 900

1992 to 1993

Engine &

Fuel

Ignition

Electrical

Running

Torque

Capacities

Notes &

Cooling

gear

settings

Illustrations

FIAP0500901

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Engine and cooling system

Cinquecento 900 1992 to 1993

Type		170	A1.000 OHV 30kW
Capacity (cm3) / number of cylinders		903	/ 4
Compression ratio / pressure	bar	9.0±0.15 / _
Oil pressure	bar	[2.9 to 3.9]
Oil temperature	ºC	100
Valve clearance - inlet	mm	0: Hyd.
Valve clearance - exhaust	mm	0: Hyd.
Firing order		1-3-4-2
No 1 cylinder position		TCE
Thermostat opening temperature	ºC	85 to 89
Radiator cap pressure	bar	0.98

Fuel system

Cinquecento 900 1992 to 1993

Idle speed - manual [auto]	rpm	850±50
Fast idle speed - manual [auto]	rpm	_
CO @ idle speed [3000 rpm] - see page VI	%	≤ 0.3
HC @ idle speed [3000 rpm] - see page VI	ppm	≤ 200
CO2 @ idle speed [3000 rpm] - see page VI	%	_
O2 @ idle speed [3000 rpm] - see page VI	%	_
Carburettor / fuel injection		Weber
Type / ref		32 TLF 32/250
Main jet / needle		112
Injection pressure	bar	_
Pump pressure	bar	0.14 to 0.24
Octane rating	RON	95[E 95 RON]

Ignition system

Cinquecento 900 1992 to 1993

Type			Digiplex 2-Static
Ignition coil			2x BAE 800 DK
Primary resistance		ohms	0.495 to 0.605
Ballast resistor		ohms	_
Voltage - Tmnl 15(+) to earth		V	_
Distributor			Marelli
Points gap (air gap)		mm	_
Dwell angle		º (%)	_
Condenser capacity		µF	_
Rotation			Clockwise
Ignition timing - basic [static	º Crankshaft @ rpm		8±2 BTDC @ 850±50
V = Vacuum NV = No Vacuum			_
Total ignition advance	º Crankshaft @ rpm		42±2 @ 4200 to 5000
	º Crankshaft @ rpm		_
	º Crankshaft @ rpm		_
Centrifugal check.	º Crankshaft @ rpm		_
	º Crankshaft @ rpm		_
	º Crankshaft @ rpm		_
Vacuum range check		mbar	_
Maximum vacuum advance		º Crankshaft	_
Spark plugs			Bosch/Champion
Type			WR7DC / RN9YC
Electrode gap		mm	0.70 to 0.80
Electrical system			Cinquecento 900	1992 to 1993
Battery		V / CC / RC	12 / 150 / 32Ah
Alternator voltage / full load current / engine rpm			14.0 to 14.3 / 45 / 3500
Starter motor current / voltage - cranking		A / V	180 / 9.1
Starter motor current / voltage - locked		A / V	324 / 7.1
Running gear			Cinquecento 900	1992 to 1993
Brakes -
Front (min. friction material thickness)		mm	1.5
Rear (min. friction material thickness)		mm	1.5
Tyres
Saloon		Size	145/70x13
Estate / Van		Size	_
Pressure - front / rear - Saloon		bar	2.0 / 2.0
Pressure - front / rear - Estate / Van		bar	_
Front suspension / wheel alignment
Toe-in (+) / Toe-out (–)		mm [º]	0±1.0
Camber			+30’±30’ N/A
Castor			+1°50’±30’ N/A
King pin inclination			_
Rear suspension / wheel alignment
Toe-in (+) / Toe-out (–)		mm [º]	0±3.0 N/A
Camber			+20’±30’ N/A

Torque wrench settings

Cinquecento 900 1992 to 1993

Cylinder head - stage 1	Nm	20
Cylinder head - stage 2	Nm	40
Cylinder head - stage 3	Nm	+ 90°
Cylinder head - stage 4	Nm	+ 90°
Big-end bearings	Nm	41
Main bearings	Nm	69
Clutch cover	Nm	10
Flywheel [driveplate]	Nm	44
Front hubs	Nm	WSM
Rear hubs	Nm	216
Wheel nuts / bolts	Nm	86
Spark plugs	Nm	32
Capacities		Cinquecento 900 1992 to 1993
Engine oil & filter	litres	3.75
Gearbox - 4-speed [5-speed]	litres	2.4
Automatic transmission - refill	litres	_
Final drive	litres	WT
Cooling system	litres	4.8
Fuel tank	litres	35

Notes and Illustrations

		1: Idle speed		2: CO / Mixture

903 cm3OHV		Weber 32 TLF