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ENGINE
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Interference of valve guide in cylinder head.
0.10 - 0.46
mm
Clearance of valve stem in valve guide
Inlet
0.05 - 0.087
mm
Exhaust
0.06 - 0.097
mm
Maximum run-out of valve seat in cylinder head in
0.04
mm
relation to valve guide centre axis.
Height of valve guide end from spring
20.0 - 19.5
mm
seat on cylinder head.
Maximum permissible out of perpendicularity of
0.1
mm
valve guide bore with respect to cylinder head bottom face.
Fig. 4
VALVE GUIDES:
Fig. 4
Dimensions in mm
Bore in
OD
Valve guides
Length of valve
Cyl. head
ID Dim ‘P’
guide Dim ‘R’
Inlet/
Inlet/
Inlet
Exhaust
Inlet
Exhaust
exhaust
exhaust
Dim - 'S'
Dim - 'S'
Standard
15.018
15.046
15.000
15.028
Repair
15.118
15.146
size – I
15.100
15.128
9.022
10.022
73.5
68.5
9.000
10.000
Repair
15.218
15.246
size – II
15.200
15.228
Repair
15.518
15.546
size – III
15.500
15.528