Engine

Valve stem size and fit clearance
Intakemm Exhaustmm
Class
Diameter of
valve stem
Inner
Diameter of
valve guide
Clearance
Diameter
of valve
stem
Inner Diameter
of valve guide
Clearance
Standard
8.043
0
018.0
+
8.0638.094
8.017
0
018.0
+
8.0638.094
Oversized
0.4
8.443
0
018.0
+
8.4638.494
0.02
0.069
8.417
0
018.0
+
8.4638.494
0.046
0.095
Measure the free length and ela
sticity of the
valve spring
Compression
length (mm)
Spring load
(N)
Free Length
of Spring
(mm)
L
1
=37.084 422
L
2
=27.7 892.7
L
3
=27.0 945
L
0
=47.2
A-14
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