Valve spring

Make

Fiat

Model

Seicento Factory Service Manual

Year

1998–2010

Section

Operative data › Valve spring

00 General information and technical dataValve spring

(Valve continued)

Valve head angle	Validity
45° 30' ± 5'	899 1108

Valve head edge thickness (mm)	Validity
> 1	899 1108

Valve spring

Check load/spring height (mm)		Validity
24.8 - 28.1 daN	53.2 - 58.7 daN
36.5	28.1	899

Check load/spring height (mm)		Validity
18.74 - 28.1 daN	58.4 - 62.6 daN
32.1	22.6	1108

Valve seat area taper ratio	Validity
Upper	Contact with valve	Lower	Validity
70°	45° ± 5'	15°	899
70°	45° ± 5'	15°	1108

Valve seat contact area width (mm)	Validity
Intake	Exhaust	Validity
~2	~2	899 1108

1024 CRANKSHAFT - FLYWHEEL

Crankshaft

Main journal diameter (mm)			Validity
CL.A	CL.B	CL.C
50.795 - 50.805	50.785 - 50.795	–	899
43.994 - 44.000	43.988 - 43.994	43.982 - 43.988	1108

Main journal undersizing (mm)	Validity
0.254 - 0.508	899
0.254 - 0.508	1108

Connecting rod journal diameter (mm)	Validity
39.985 - 40.005	899
37.990 - 38.008	1108

Connecting rod journal undersizing (mm)	Validity
0.254 - 0.508	899
0.254 - 0.508	1108

Main journal width (mm)	Validity
28.080 - 28.120	899
23.975 - 24.025	1108

(Continued)

01 General