POWER UNIT 6-56
(3) There are five (5) main bearings available, each of dif-
fering thickness.
To distinguish them, a color mark is painted at the position
indicated in figure.
Each color represents the following thickness measured at
the center of the bearing.
Color mark Bearing thickness
Green
1.999 – 2.003 mm
(0.0787 – 0.0789 in.)
Black
2.002 – 2.006 mm
(0.0788 – 0.0790 in.)
No Color mark
2.005 – 2.009 mm
(0.0789 – 0.0790 in.)
(4) Select crankshaft main bearing referring the below table.
Yellow
2.008 – 2.012 mm
(0.0790 – 0.0792 in.)
Blue
2.011 – 2.015 mm
(0.0792 – 0.0793 in.)
Numeral stamped on crank web
( journal outside diameter )
123
A
Code stamped
on cylinder block
(Bearing holder
inside diameter)
Green Black No Color
B Black No Color Yellow
C No Color Yellow Blue
Color mark
NOTE:
Measure crankshaft journal oil clearance again after installing
new bearings selected. (see page 6-53)
OIL SEAL
Inspect condition. If cracked, cut or damaged, replace.
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