Yamaha F200B, Руководство по обслуживанию

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7-97
POWR
Power unit
TIP:
• Install each thrust bearing with its grooves
t
facing outward.
• Fit the protrusion on each thrust bearing
into the slot in the crankcase.
11. Install new O-rings
C
and
D
and the
crankcase
E
onto the cylinder block, and
then tighten the crankcase bolts
F
and
G
to the specified torques in 2 stages
and in the order
1
,
2
, and so on.
12. Tighten the crankcase bolts
H
to the
specified torques in 2 stages and in the
order
G
,
H
, and so on.
TIP:
• Make sure that the oil seal 8 must be
installed before tightening the crankcase
bolts.
• In the 2nd tightening stage for the M8 bolts
F and M10 bolts G , mark the bolts and the
crankcase E with identification marks
u
,
and then tighten the bolts 90° from the
marks on the crankcase.
• After tightening the crankcase bolts, make
sure that the crankshaft turns smoothly.
13. Install the piston I so that the mark
v
on the piston crown is facing toward the
flywheel magnet end of the crankshaft.
G
E
F
H
C
D
8
Crankcase bolt
F 1
–
8
(M8):
1st: 28 N·m (2.8 kgf·m, 20.7 ft·lb)
2nd: 90°
Crankcase bolt
G 9
–
F
(M10):
1st: 33 N·m (3.3 kgf·m, 24.3 ft·lb)
2nd: 90°
Crankcase bolt
H G
–
S
(M8):
1st: 14 N·m (1.4 kgf·m, 10.3 ft·lb)
2nd: 28 N·m (2.8 kgf·m, 20.7 ft·lb)
PORT
UP
STBD
90
u
1 2
3 4
5 6
7 8
9 0
A B
C D
E F
G
H
I
J
K
L
M N
O
P
Q R
S
H
F G