Yanmar 3JH4BE - Page 211

13. SERVICE STANDARDS
195
2) Piston ring
(5) Connecting rod
(6) Tappet
mm
Inspection item Standard limit Reference page
Top r in g
Ring groove width 2.060-2.075 2.170
5.3.3(1)
Ring width 1.970-1.990 1.950
Side clearance 0.070-0.105 0.200
End clearance 0.200-0.400 0.490
Second ring
Ring groove width 2.025-2.040 2.140
Ring width 1.970-1.990 1.950
Side clearance 0.035-0.070 0.190
End clearance 0.200-0.400 0.490
Oil ring
Ring groove width 4.015-4.030 4.130
Ring width 3.970-3.990 3.950
Side clearance 0.025-0.060 0.180
End clearance 0.200-0.400 0.490
mm
Inspection item Standard Limit Reference page
Side clearance 0.20-0.40 0.55 5.4.1(2)
Rod small end mm
Item Standard Limit Reference page
Bushing inside diameter 26.025-26.038 26.068
5.3.2
5.4.3(1)
Pin outside diameter 25.995-26.000 25.965
Clearance 0.025-0.043 0.101
mm
Inspection item Standard Limit Reference page
Tappet hole (block) inside diameter 12.000-12.018 12.045
5.6.2(2)Tappet stem outside diameter 11.975-11.990 11.930
Clearance 0.010-0.043 0.090