Yanmar 6LY3 series Service Manual

SERVICE STANDARDS
Service Standards
14-6 6LY3 Service Manual
© 2007 Yanmar Marine International
Cylinder Block
General
Crankshaft
Crankshaft Thrust Bearing
Inspection Item Standard Limit Reference Page
Cylinder Inside Diameter
105.900-105.930 mm
(4.1692-4.1704 in.)
105.950 mm
(4.1712 in.)
5-25
Cylinder Bore
Roundness
0.03 mm or less
(0.0011 in.)
—
Cylindricity
0.02 mm or less
(0.0007 in.)
—
Inspection Item Standard Limit Reference Page
Bending (1/2 the dial gauge reading) —
0.03 mm
(0.0011 in.)
5-45
Crank Pin
Bearing Inside
Diameter
65.000-65.045 mm
(2.5590-2.5608 in.)
65.100 mm
(2.5629 in.)
5-42, 5-46
Pin Outside Diameter
64.952-64.964 mm
(2.5571-2.5576 in.)
64.902 mm
(2.5551 in.)
Bearing Thickness
1.987-2.000 mm
(0.0782-0.0787 in.)
—
Clearance
0.036-0.093 mm
(0.0014-0.0036 in.)
0.160 mm
(0.0062 in.)
Crank Journal
Bearing Inside
Diameter
75.000-75.045 mm
(2.9527-2.9545 in.)
—
Journal Outside
Diameter
74.952-74.964 mm
(2.9508-2.9513 in.)
74.90 mm
(2.9488 in.)
Bearing Thickness
2.487-2.500 mm
(0.0979-0.0984 in.)
—
Clearance
0.036-0.093 mm
(0.0014-0.0036 in.)
0.15 mm
(0.0059 in.)
Inspection Item Standard Limit Reference Page
Crankshaft End Play Side Clearance
0.132-0.223 mm
(0.0051-0.0087 in.)
0.29 mm
(0.0114 in.)
5-46

Yanmar 6LY3 series Specifications

General

Brand	Yanmar
Model	6LY3 series
Category	Engine
Language	English