Metal Bearing; Selecting Of Connecting Rod Metal Bearing - TOHATSU MFS 60A Service Manual

2. Check that matching chart of crank journal metal bearing
code as shown below chart, and then select crank journal

metal bearing.

Code 1
A Brown
B Brown
C Black
Crank journal metal bearing thickness
Parts No. Color
3KY-07707-0 Brown
3KY-07708-0 Black
3KY-07750-0 Blue

39) Selecting of Connecting Rod Metal Bearing

Check that connecting rod metal inner diameter code a
1
and crank pin outside diameter code b as shown right
illustration.
Marked on mating position of each connecting rod and
connecting rod cap with inner diameter code a that
indicates inner diameter. There are three types of bearing in
accordance with inner diameter code.
Code
1 41.000 to 41.006 mm (1.61417 to 1.61441 in)
2 41.007 to 41.012 mm (1.61445 to 1.61464 in)
3 41.013 to 41.018 mm (1.61468 to 1.61488 in)
The code is not means cylinder No..
And, marked on crankshaft upper section with outer
diameter code b that indicates outer diameter of each
crank pin.
Code
X 37.996 to 38.000 mm (1.49590 to 1.49606 in)
Y 37.991 to 37.995 mm (1.49571 to 1.49586 in)
Z 37.986 to 37.790 mm (1.49551 to 1.49567 in)
2. Check that matching chart of connecting rod metal bearing
code as shown below chart, and then select connecting rod
metal bearing.
Code 1
X Brown
Y Brown
Z Black
4st 60 2019
2 3
Brown Black
Black Black
Black Blue
Thickness
1.996 to 2.000 mm
(0.07858 to 0.07874 in)
2.000 to 2.005 mm
(0.07874 to 0.07894 in)
2.005 to 2.010 mm
(0.07894 to 0.07913 in)
Inner Diameter
Outer Diameter
2 3
Brown Black
Black Black
Black Blue
b
a
b
5
a
5-49