6-56 POWER UNIT
3. There are five (5) main bearings available, each of dif-
fering thickness.
To distinguish them, a color mark is painted at position indi-
cated in figure.
Each color represents the following thickness measured at
center of bearing.
Color mark Bearing thickness
Green
1.990 – 1.994 mm
(0.0783 – 0.0785 in.)
Black
1.993 – 1.997 mm
(0.0785 – 0.0786 in.)
No Color mark
1.996 – 2.000 mm
(0.0786 – 0.0787 in.)
4. Select crankshaft main bearing referring below table.
Yellow
1.999 – 2.003 mm
(0.0787 – 0.0789 in.)
Blue
2.002 – 2.006 mm
(0.0788 – 0.0790 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 oil seal for crack, cut or other damage.
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