Yanmar 3TNV Series Service Manual page 207

12. Service Standards
(3) Thrust bearing
Inspection item
Crankshaft side gap
(4) Piston and ring
Piston
Inspection item
Piston outside diameter
(Measure in the direction
vertical to the piston pin.)
Piston diameter
measure position
(Upward from the bottom
end of the piston)
3TNV82A
TNV84 88
Piston pin
4TNV94L 98
4TNV106(T)
Standard
All models 0.13 0.23
3TNV82A
3,4TNV84(T)
3,4TNV88
4TNV94L
4TNV98(T)
4TNV106(T)
3TNV82A
3,4TNV84(T)
3,4TNV88
4TNV94L
4TNV98(T)
4TNV106(T)
Hole inside diameter
Pin outside diameter
Clearance
Hole inside diameter
Pin outside diameter
Clearance
Hole inside diameter
Pin outside diameter
Clearance
Hole inside diameter
Pin outside diameter
Clearance
Limit
0.28
Standard
81.950 81.980
83.945 83.975
87.945 87.975
93.945 93.955
97.940 97.950
105.930 105.960
16
24
24
22
22
30
23.000 23.009
22.995 23.000
0.000 0.014
26.000 26.009
25.995 26.000
0.000 0.014
30.000 30.009
29.989 30.000
0.000 0.020
37.000 37.011
36.989 37.000
0.000 0.022
192
mm
Reference page
4.4.4
Reference
Limit
page
81.905
83.900
87.900
93.900
97.895
105.880
-
-
-
-
-
-
4.4.5.(4)
23.039
22.965
0.074
26.039
25.965
0.074
30.039
29.959
0.080
37.039
36.959
0.080
mm