Yanmar 2TNV70 - Connecting Rod

ENGINE
TNV IDI Service Manual
6-11
Crankshaft and Pistons Specifications
(Piston Ring Cont.)
Connecting Rod
Connecting Rod Small End
Model Inspection Item Standard Limit
Reference
Page
3TNV76
Top Ring
Ring Groove Width
0.0610 - 0.0618 in.
(1.550 - 1.570 mm)
-
See Inspection
of Pistons,
Piston Rings
and Wrist Pin on
page 6-46
Ring Width
0.0579 - 0.0587 in.
(1.470 - 1.490 mm)
0.0571 in.
(1.450 mm)
Side Clearance
0.0024 - 0.0039 in.
(0.060 - 0.100 mm)
-
End Clearance
0.0059 - 0.0118 in.
(0.150 - 0.300 mm)
0.0154 in.
(0.390 mm)
Second Ring
Ring Groove Width
0.0622 - 0.0628 in.
(1.580 - 1.595 mm)
0.0667 in.
(1.695 mm)
Ring Width
0.0563 - 0.0571 in.
(1.430 - 1.450 mm)
0.0555 in.
(1.410 mm)
Side Clearance
0.0005 - 0.0065 in.
(0.013 - 0.165 mm)
0.0112 in.
(0.285 mm)
End Clearance
0.0071 - 0.0130 in.
(0.180 - 0.33 mm)
0.0165 in.
(0.42 mm)
Oil Ring
Ring Groove Width
0.1185 - 0.1193 in.
(3.010 - 3.030 mm)
0.1232 in.
(3.130 mm)
Ring Width
0.1169 - 0.1177 in.
(2.970 - 2.990 mm)
0.1161 in.
(2.950 mm)
Side Clearance
0.0008 - 0.0024 in.
(0.020 - 0.060 mm)
0.0071 in.
(0.180 mm)
End Clearance
0.0079 - 0.0177 in.
(0.200 - 0.450 mm)
0.0213 in.
(0.540 mm)
Inspection Item Standard Limit
Reference
Page
Wrist Pin Bushing Inside Diameter
0.8671 - 0.8676 in.
(22.025 - 22.038 mm)
0.8688 in.
(22.068 mm)
See
Inspection of
Connecting
Rod on
page 6-47
Wrist Pin Outside Diameter
0.8658 - 0.8661 in.
(21.991 - 22.000 mm)
0.8647 in.
(21.963 mm)
Oil Clearance
0.0010 - 0.0019 in.
(0.025 - 0.047 mm)
0.0041 in.
(0.105 mm)
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