Honda CB900F 919 (2001) [253/432] Connectin

Honda CB900F 919 (2001) [253/432] Connectin
11. CRANKCASE/PISTON/CYLINDER
SERVICE INFORMATION
TROUBLESHOOTING
CRANKCASE SEPARATION
SERVICE INFORMATION
GENERAL
11-1
11-2
11-3
PISTON/CONNECTING ROD
CRANKSHAFT
CRANKCASE
COMBINATION
11-4
11-7
11-12
This section
covers
crankcase separ
ation
for
service of
the
crankshaft
and
piston
.
The
following
parts
must
be rem
oved
before
separating
the
crankcase.
-
Altemator/flywheel
(Section 101
- Clutch/gearshift
linkage
(Section 9)
- Cylinder
head
(Sec
tion
81
-
Engine
(Section
6)
- Oil
pump
(Section 4)
Mark and
store
the
disass
embl
ed parts to
ensure
that
they
are
installed
in
their
original
locations.
Mark and s
to
re
the
bearing
inserts
to
ensure
that
the
parts are
installed
in
the
correct
locations
during
reassembly. If
the
inserts are
improperly
installed,
they
will
block
the
oil hole,
causing
insufficient
lubrication
and
eventual
engine
seizure.
The
connecting
rod bearing
inserts
are select fit and are
identified
by
color
codes. Select
replacement
bearings
from
the code tables.
After
insta
lling
new
bearings, recheck
them
with
a
plastigauge
to
verify
clearance.
Apply
molybdenum
disulfide
oil
to
the
crank
pin du ring assembly.
SPECIF
ICATIONS
Unit:
mm
linl
ll
ITEM STANDARD SERVICE LIMIT
Cylinder
I.D.
71.000 - 71.015 (2.7953 - 2.79631
71.10 12.7951
Out
of
round
--
0.10 10.004)
Taper
--
0.10 10.004)
W
arpage
--
0.05 10.0021
Piston,
piston
Piston
mark
direction
"IN"
mark
facing
toward
the
intake side
--
rings
Piston
O.D.
70.965 - 70.985 (2.7939 - 2.79471
70.90 12.791 1
Piston
0.0
.
measurement
point
15
mm
(0.6 in)
from
bottom
of
skirt
--
Piston
pin
bore
I.D. 17.002 - 17.008 10.6694 - 0.66961 17
.0310
.6701
Pis
ton
pin
0.0.
16.993 - 17.000 10.6690 - 0.66931 16.98 (0.6691
Pis
ton-to-pis
to
n pin clearance 0.002 - 0.015 10.0001 -
0.0006
)
--
Piston
ring-to-
rin g
Top 0.030 - 0.065 10.0012 - 0.00261 0.08 10
.003
)
gro
ove clearance
Second
0.015 - 0.045 (0.0006 - 0.00181
0.07 10.0031
Piston
ring
end gap Top 0.28 - 0.38 10.011 - 0.0151
0.5 (0.02)
Second 0.40 -
0.5510
.016 - 0.022)
0.710.031
Oil Iside raill
0.2 - 0.7 10.01 - 0.031
0
.910
.041
Cylinder
-to-pis
to
n clearance 0.015 -
0.05010
.0006
- 0.00201
--
Connecting rod
small
end 1.0.
17.016 - 17.034 10.6699 - 0.6706)
17.04 10.6711
Connecting
rod
-to-pis
ton
pin clearance
0.016 - 0.041 10.0006 - 0.0016)
--
Crankpin oil clearance
0.030 - 0.052 (0.0012 - 0.0020) 0.06 10.002)
11-1

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