Piston Ring - Yanmar 3TNV82A-B Service Manual

ENGINE

Piston Ring

Model
Top Ring
3TNV82A,
3TNV84,
3TNV84T, Second Ring
4TNV84,
4TNV84T
Oil Ring
6-18
Inspection Item
Ring Groove Width
Ring Width
Side Clearance
End Gap
Ring Groove Width
Ring Width
Side Gap
End Gap
Ring Groove Width
Ring Width
Side Clearance
End Gap
Crankshaft and Piston Specifications
Standard
0.0813 - 0.0819 in.
(2.065 - 2.080 mm)
0.0776 - 0.0783 in.
(1.970 - 1.990 mm)
0.0030 - 0.0043 in.
(0.075 - 0.110 mm)
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
0.0801 - 0.0807 in.
(2.035 - 2.050 mm)
0.0776 - 0.0783 in.
(1.970 - 1.990 mm)
0.0018 - 0.0031 in.
(0.045 - 0.080 mm)
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
0.1581 - 0.1587 in.
(4.015 - 4.030 mm)
0.1563 - 0.1571 in.
(3.970 - 3.990 mm)
0.0010 - 0.0024 in.
(0.025 - 0.060 mm)
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
TNV DI Service Manual
Reference
Limit
Page
-
0.0768 in.
(1.950 mm)
-
0.0193 in.
(0.490 mm)
0.0846 in.
(2.150 mm) See
Inspection of
0.0768 in.
Pistons,
(2.150 mm)
Piston Rings
0.0079 in.
and Wrist
(0.200 mm)
Pin on
0.0193 in. page 6-83.
(0.490 mm)
0.1626 in.
(4.130 mm)
0.01555 in.
(3.950 mm)
0.0071 in.
(0.180 mm)
0.0193 in.
(0.490 mm)