SAAB WIS ONLINE

Valve system

Valve system

Inlet valve


Length

mm

98.45

Valve head diameter

mm

27.4 - 27.6

Valve clearance (engine 20°C)

mm

0.4 ±0.05

Valve stem diameter

mm

5.959 - 5.977

Valve stem clearance

mm

0.023 - 0.056

Angle, valve head seal face

degrees °

45

Angle, valve seat

degrees °

89.5

Valve seat outside diameter

mm

28.42 - 28.58

Valve lift

mm

28.42 - 28.58



Outlet valve


Length

mm

98.10

Valve head diameter

mm

26.4 - 26.6

Valve clearance

mm

0.4

Valve stem diameter

mm

5.952 - 5.970

Valve stem clearance

mm

0.030 - 0.063

Angle, valve head seal face

degrees °

45

Angle, valve seat

degrees °

89.5

Valve seat outside diameter

mm

27.4 - 27.6



Valve guides


Inside diameter

mm

6.000 - 6.015

Max. clearance, valve guide

inlet valve

mm

0.023 - 0.056

outlet valve

mm

0.030 - 0.063

Outside diameter

mm

11.045 - 11.055

Height

mm

15

Seal position relative to the bottom portion of the valve guide

mm

12.3



Valve springs


Length

free

mm

43.2

Length

installed (spring force 163 N)

mm

33.3

Wire diameter

mm

3.1

Inside diameter

mm

18.0 - 18.4



Tappets

Diameter, inlet side

mm

37.55

Diameter, exhaust side

mm

37.46