Yanmar 4JH4E - Page 343

13. Service standards
323
(4) Piston and ring
1) Piston
mm
Inspection item Standard Limit
Reference
page
Piston outside diameter
(Measure in the direction
vertical to the piston pin.)
3JH4E 87.950-87.960 87.900
5.3.1(2)
4JH4E 87.935-87.945 87.885
4JH4-TE/ 4JH4-HTE 83.930-83.940 83.880
Clearance between
piston and cylinder
3JH4E 0.045-0.075 -
4JH4E 0.06-0.090 -
4JH4-TE/ 4JH4-HTE 0.065-0.095 -
Piston diameter measure position
(Upward from the bottom end of the piston)
22 -
3JH4E
4JH4E
Piston pin hole inside
diameter
26.000-26.009 26.020
5.3.2
Piston pin outside
diameter
25.995-26.000 25.965
Clearance between
piston pin and hole
0.000-0.014 0.074
4JH4-TE
4JH4-HTE
Piston pin hole inside
diameter
28.000-28.009 28.020
Piston pin outside
diameter
27.995-28.000 27.965
Clearance between
piston pin and hole
0-0.014 0.074