CRANKSHAFT
a. Clean the crankshaft journal bearings,
crankshaft journals, and bearing portions of
the crankcase.
b. Place the upper crankcase upside down on a
bench.
c. Install the crankshaft journal upper bearings
1 and the crankshaft into the upper crank-
case.
NOTE:
Align the projections a of the crankshaft jour-
nal upper bearings with the notches b in the
crankcase.
d. Put a piece of Plastigauge
crankshaft journal.
NOTE:
Do not put the Plastigauge over the oil hole in
the crankshaft journal.
e. Install the crankshaft journal lower bearings
into the lower crankcase and assemble the
crankcase halves.
NOTE:
S Align the projections a of the crankshaft jour-
nal lower bearings with the notches b in the
crankcase.
S Do not move the crankshaft until the clearance
measurement has been completed.
f. Tighten the bolts to specification in the tight-
ening sequence cast on the crankcase.
Crankcase bolt
l M10 (No.
35 Nm (3.5 mSkg)
M8 (No. 1 X
24 Nm (2.4 mSkg)
∆ M6 (No.
∆ M6
12 Nm (1.2 mSkg)
A Upper crankcase
B Lower crankcase
NOTE:
Lubricate the crankcase bolt threads (M8) with
engine oil.
4-75
ENG
2 on each
X
,
,
16
17
31
33
,
,
):
15
27
29
X
,
,
,
18
26
28
30
X
):
34
36
):