Yanmar 3TNV Series Service Manual page 203

12. Service Standards
(3) Valve spring
Inspection item
3TNV82A (2-valve)
4TNV84,3TNV84(T), 4TNV88 (2-valve)
Free length
4TNV84T (4-valve)
4TNV94L, 4TNV98(T), (4-valve)
4TNV106(T) (4-valve)
3TNV82A (2-valve)
4TNV84, 3TNV84(T), 4TNV88 (2-valve)
Inclination
4TNV84T (4-valve)
4TNV94L, 4TNV98(T), (4-valve)
4TNV106(T) (4-valve)
(4) Rocker arm and shaft
Model
TNV82A 88
4TNV94L/98(T)/106(T)
(5) Push rod
Inspection item
Bend
Inspection item
Arm shaft hole diameter
Shaft outside diameter
Clearance
Arm shaft hole diameter
Shaft outside diameter
Clearance
Standard Limit
- 0.03
Standard
44.4
42.0
37.4
39.7
50.6
-
-
-
-
-
Standard
16.000 16.020
15.966 15.984
0.016 0.054
18.500 18.520
18.470 18.490
0.010 0.050
mm
Reference page
4.2.5.(7)
188
mm
Reference
Limit
page
43.9
41.5
36.9
39.2
50.1
4.2.5.(4)
1.4
1.4
1.3
1.4
1.5
mm
Reference
Limit
page
16.07
15.94
0.13
4.2.5.(5)
18.57
18.44
0.13