Yamaha YZF-R1S, Service Manual

Page: 316 / 457

5-94
CRANKSHAFT
ENG
NOTE:
NOTE:
NOTE:
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.
Align the projections
a
on the crankshaft jour-
nal upper bearings with the notches b in the up-
per crankcase.
d. Put a piece of Plastigauge

2 on each
crankshaft journal.
Do not put the Plastigauge

over the oil hole in
the crankshaft journal.
e. Install the crankshaft journal lower bearings
1 into the lower crankcase and assemble
the crankcase halves.
S
Align the projections
a
of the crankshaft jour-
nal lower bearings with the notches b in the
lower 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
Bolt 1
X
10
1st: 20 Nm (2.0 m
S
kg, 14 ft
S
lb)
2nd: 20 Nm (2.0 m
S
kg, 14 ft
S
lb)
3rd: +60
_
Bolt
11
X
16
24 Nm (2.4 m
S
kg, 17 ft
S
lb)
Bolt 17
X
26
12 Nm (1.2 m
S
kg, 8.7 ft
S
lb)
M9 105 mm (4.1 in) bolts: 1
X
10
M8 60 mm (2.4 in) bolt: 11
LOCTITE

M8 60 mm (2.4 in) bolts:
12
,
16
M6 70 mm (2.8 in) bolts:
19
,
21
,
23
M6 65 mm (2.5 in) bolts: 17 , 18
M6 60 mm (2.4 in) bolts:
22
,
24
,
25
M6 50 mm (2.0 in) bolts: 20 , 26
M8 50 mm (2.0 in) bolts:
13
X
15