Installation Instructions
B1700·B21 00·B2400 WSM, 11770
(1)
~
(14) Head Bolt Fastening Procedure
0343F118
[AI
Grommet
~
~~--------~
1 ENGINE
Push
Rods
1.
Remove
the
push
rods
(1).
(When reassembling)
• When putting the
push
rods onto the tappets, check
to
see
if
their
ends
are properly engaged
with
the grooves.
(1)
Push
Rods
(2) Tappet
2
C112F022
Cylinder
Head
1.
Remove
the cylinder head.
Reverse
the fastening procedure
shown in the photograph
to
loosen the head bolts.
2.
Remove
the head gasket.
(When reassembling)
• Completely remove gaskets
left
in
the
cylinder head and
crank
case.
•
Replace
the
head
gasket by a new one and
fit
it
with
the
grommets
for
the
combustion chambers on the side
of
the
cylinder
heads.
• Tighten the cylinder
head
screws
after applying sufficient oil.
.. Tighten
the
cylinder head screws in
diagonal
sequence
starting from the center. (Refer
to
fighre left.)
Tighten them uniformly, or the
head
may deform in
the
long
run.
III
IMPORTANT
.. Securely
fit
the O-ring
to
the pipe pin.
•
Head
bolt
fastening procedure: Tighten the
bolt
according
to
the
order
show
in
the
photograph,
and
repeat
this
procedure 2 or 3 times
to
the specified torque.
Using
new
bolts: Clean
the
threads and
the
undercut
surface
of
the
bolts, and
fit
the
bolts
without
applying
engine oil
to
the parts.
Re-using
the
same
bolts:
Clean
the
threads
and
the
undercut surface
of
the bolts, apply engine oil
to
the parts
and
fit
the bolts.
•
After
assembling the engine and operating
it
for
about
30
minutes, further fasten
the
bolts (loosen
the
bolts,
then
fasten them again
with
a specified torque)
to
adjust
the
valve clearance.
63.7
to
68.6 N'm
Tightening
torque
Head
bolt
6.5
to
7.0
kgf'm
47.0
to
50.6 ft-Ibs
O-ring
1.
Remove
the D-ring from the periphery
of
the oil pipe on the
crankcase.
(1) O-ring
1-521
(2) Pipe
Pin