Honda CB900F 919 (2001) [196/432] Sectio

Honda CB900F 919 (2001) [196/432] Sectio
CYLINDER HEAD/VALVES
TOOLS
Compression gau ge atta
chmen
t
Va
lve spring c
ompr
ess
or
Valve spring
compr
e
ssor
atta
chm
ent
Tappet
hole
prot
e
ctor
Valve
guide driver
Valve guide
ream
er, 4.508
mm
Valve seat cutte rs
Seat cutte r, 27.5
mm
145' IN/EX)
Flat cutter, 27
mm
132' EX)
Flat c
utte
r, 30 mm 132' IN)
Interi
or
cutte r, 24
mm
160' IN/EX)
Cutte r h
old
er, 4.5
mm
TROUBLESHOOTING
0
7RMJ
-M
Y50100
07757
-0010000
07959-KM30101
07
HMG
-MR70002
07743--0020000
0
7HMH
-ML00101
07780--0010200
07780--0013300
07780--0012200
07780--0010600
07781--0010600
Equi
v
alent
comm
erciall
y avai
labl
e
- these are com
me
rcia
lly
avai l
abl
e
Ro
ugh
idle
Low cylinder compress ion
- Sticking valve
or
brok
en valve spring
-
Damaged
or
worn
camshaft
-
Loose
or
wo
rn
cam
chai n
-
Worn
or
damaged
cam
c
hain
-
Worn
or
damaged
cam
chain te
nsion
er
- Worn cam sprocket teeth
Worn cylinder, pi
ston
or
pis
to
n
ring
s (section 12)
Engine
top
-
end
p
rob
lems usuall y affect en
gin
e p
erforman
ce. These
probl
ems can be
diagno
sed by a
compress
ion
test or
by trac ing en
gine
noises to the
top-e
nd w ith a sounding
rod
stet
hosc
ope.
If the p
erf
orm ance is po
or
at
low
speeds. check for w hite s
moke
in
the
cra nkcase
br
eath er tube. If th e
tub
e is
smoky
, check
for
a seized
piston
ring
(Section
12).
Compression
too
low
,
hard
starting
or
poor
performance
at
low
speed
Valves:
- Inc
orre
ct
valve
adjustment
- Burned or bent valve
- Inc
orrect
valve
timing
- Broken valve spring
- Uneven v
alve
seating
Cylinder head:
- Leaking or
damage
d head gasket
- Warped or cracked cylinder head
Worn cylinder,
piston
or piston
rings
(sectio n 12)
Compression
too
high
,
overheating
or
knocking
Excessive ca
rbo
n build-up on
pisto
n
cro
wn
or on combus-
tion chamber
Excessive
smoke
Cylinder
head
:
- Worn valve ste m or valve
guide
- Damaged s
tem
seal
Worn cylinder, pis
ton
or pist
on
rings (section 12)
Excessive
noise
Cylinder
head:
- Incorrect valve adjust
me
nt
8-3

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