Inner Diameter Of Cylinder/Crank Case Bearing Holder (Inner Diameter Code) - TOHATSU MFS25 Service Manual

Power Unit
8. Loosen bolts in reverse order in several steps. Remove
crank case and measure width of crushed plasti-gauge on
each main journal. Replace bearing if the width is over
specified value.
Crankshaft Main Journal Oil Clearance :
0.012 to 0.044 mm ( 0.00047 to 0.00173 in )
Functional Limit :
0.060 mm ( 0.00236 in )
If the clearance is less than specified value,
check that inner diameter code is as shown
below.
35) Inner Diameter of Cylinder/Crank Case
Bearing Holder (Inner Diameter Code)
Cylinder is marked on its upper section with inner diameter
code 1 that indicates inner diameter of each bearing holder.
There are two types of bearing in accordance with inner
diameter code.
Inner Diameter Code 1
Standard Value
39.000 to 39.008 mm
A
(1.53543 to 1.53575 in)
39.008 to 39.016mm
B
(1.53575 to 1.53606 in)
Inner diameter codes A and B represents size of
each bearing section.
Remarks : When cylinder/crank case is purchased as a part,
fitting bearing comes with it.
36) Thickness of Bearing (Color of Inner
Diameter Code)
Bearing is painted with color 1 that represents thickness.
There are two types of bearing in accordance with coloring.
[Coloring (Inner Diameter Code)]
Blue : A
Red : B
5-52
Bearing Coloring
Blue
Red
Thickness
1.488 to 1.494 mm
(0.05858 to 0.05882 in)
1.494 to 1.500 mm
(0.05882 to 0.05906 in)
mm
1 Inner Diameter Code
I II
A A A A
in
1
III IV
1
25/30 2006