Mitsubishi 4G1 Service Manual page 15

Items
Valve
Overall length
Intake
Exhaust
Stem diameter
Intake
Exhaust
Face angle
Thickness of valve head (margin)
Intake
Exhaust
Stem-to-guide clearance
Intake
Exhaust
Valve clearance
Intake
Exhaust
Valve spring
Free height
Intake
Exhaust
N/mm (Ibs./in.)
Intake
Exhaust
Intake
Exhaust
Standard value
100.75 (3.9665)
101.05 (3.9783)
6.57 - 6.58 (2587 - .2591)
6.53 - 6.55 (2571 - .2579)
45" - 45"30'
1 .o (.039)
1.5 l.059)
0.02 - 0.05 (0008 - .0020)
0.05 - 0.09 (.0020 - .0035)
0.07 (.0028) Up to 1992 models
0.09 (.0035) From 1993 models
0.17 (0067)
46.1 (1.815)
46.8 (1.843)
Max. 2"
44 ( 1.732)
49.5 (1.949)
6.60 - 6.62 (.2598 - .2606)
12.055 - 12.065 (4746 - .4750)
0.05 (.002), 0.25 (.Ol). 0.50 (02) oversize
Room temperature
0.9 - 1.3 (035 - .051)
0.3 LO1 2), 0.6 (024) oversize
Limit
0.5 (020)
0.10 (.0039)
0.15 (.OOSS)
45.1 (1.776)
45.8 (1.803)
4"
0 . 2 (.008)
I
mm (in.)
.
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. .