PRE-RELEASE
Valve system
| Valve system |
|
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
|
