Honda Hawk GT NT650 1988 Service Manual page 138

CRANKSHAFT/TRANSMISSION
Measure the main journal bearing 1.0. and record it.
(1) CRANKCASE
•
Calculate the clearance between the main journal and the main
bearing.
SERVICE LIMIT: 0.06 mm (0.002 in)
If the oil clearance is beyond the service limit, select a replace-
ment bearings as follows:
MAIN BEARING SELECTION
(1) CRANKSHAFT
Determine the crankshaft main journal 0.0. code. The code
will be either a number 1 or 2 on the crank weight.
Determine the corresponding main bearing 1.0. code. The code
will be either a letter A or B on the crankcase.
(2) MAIN BEARING
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[\ F
'th th d
. b
t Choose rep acemen main eanngs
In
accor ance
WI
e
table below. MAIN JOURNAL 0.0. CODE [on crank weightl
1 2
44.992-45.000 mm 44.984-44.992 mm
(1.7713-1.7717 in) (1.7710-1.7713 in)
MAIN 8EARING
A
48.990-49.000 mm C 8
1.0. CODE (1.9287-1.9291 in)
(BROWN) (BLACK)
[on crankcasel
49.000-49.010 mm B A
B
(1.9291-1.9295 in)
(BLACK) (BLUE)
BEARING INSERT THICKNESS
A (BLUE): 2.003-2.013 mm (O.0789-0.0793 in)
B (BLACK): 1.998-2.008 mm (O.0787-0.0791 in)
C (BROWN): 1.993-2.003 mm (O.0785-0.0789 in)
11-7