3-66 ENGINE
• Mate the lower crankcase with the upper crankcase.
• Tighten each crankshaft journal bolt (M:8) to the specified
torque. (
3-73)
NOTE:
Never rotate the crankshaft when a piece of plastigage is
installed.
Crankshaft journal bolt (M:8):
Initial : 15 N·m (1.5 kgf-m, 11.0 lbf-ft)
Final : 26 N·m (2.6 kgf-m, 19.0 lbf-ft)
• Remove the lower crankcase and measure the width of the
compressed plastigage using the envelope scale. This mea-
surement should be taken at the widest part of the com-
pressed plastigage.
Crankshaft journal oil clearance:
Standard: 0.016 – 0.040 mm (0.0006 – 0.0016 in)
Service Limit: 0.080 mm (0.0031 in)
• If the oil clearance exceeds the service limit, select the speci-
fied bearings from the bearing selection table.
• Check the corresponding crankcase journal I.D. codes
A
, “A”
or “B” which are stamped on the rear of upper crankcase.
• Check the corresponding crankshaft journal O.D. codes
B
,
“A”, “B” or “C” which are stamped on the crankshaft.
Bearing selection table
Crankcase I.D. specification
1
3
5
7
2
4
6
8
Crankshaft journal O.D.
B
Code
A
B
C
Crankcase
I.D.
A
A
Green
Black
Brown
B
Black
Brown
Yellow
Code
I.D. specification
A
33.000 – 33.008 mm
(1.2992 – 1.2995 in)
B
33.008 – 33.016 mm
(1.2995 – 1.2998 in)