60
15.
Repeat Step
14
for the intake
\al\'(~s.
16.
Rotate thc engine
sc\c
raJ
complete n!\olulions
and recheck the
\'al\c
clearances. Readjust
if
neces-
sary.
17.
After the
\ah
'cs arc adjusted correctly, recheck
and adjust
if
necessary the automalic
dccomprc~îš
sion cable as described
in
this chapler.
18.
Inspect the seal (
Figur
e
10..1
) on the
\ahe
ad-
juster covers. rcpl3cc
if
necessary. Install both
co\-
en. and lighten thc bolts securely.
19.
In
spect the O-ring seal on
\al\
c timing inspec-
lion
co\
cr
(Fig
u re
lO
S). replace
if
necessary. Install
the
co\er
on thc left-hand crankcase
co\er
and
tighten securely.
20.
Install the spa
rk
plug and reconnect thc spark
plug leud.
11. Make sure thc mbbcr cushions (
fi
g
ur
e 106)
:lTe
in
place on thc
cylindcrhcad
Icft-hand
cO\crand
lIlslalithc cO\cr.
22.
In
s
tallthc
bolt and
cap
nUl
sccuring the eylin-
dcr
hcad Icft-hand
co\er
(
FiJ!u
re 91). Tightcn thc
bolt and
cap
nUl
sccurcly.
23
. Install thc fucl tank as dcscribed in
Chaptcr
Scvcn.
24.
Install thc scat
as
described
in
ChapterTwelvc.
Co
mpr
ession Test
Pcriodically chcck the cylindcr compression. Re-
cord thc results in thc maintcnance log and
comparc
thcm
to
the results at the ncxt intefval. A
nmning
re-
cord \\
ill shO\\ trends in detcrioration
so
that correc-
tivc
action can be takcn bcforc completc failurc.
Too short
Corr
ect
Too
tong
CHAPTER THREE
The
results wh
en
properly
int
erprete
d .
ca
n
indicate
gene
ral cylinder.
piston
ring and
vah'e
co
nditi
on.
I.
Warm
the
engine
to
norma
l
ope
ra ting
temp
erature.
then sh
ut
it off.
Make
SUfe
the
choke
valve and
throttle
valve
are
comp
letely
ope
n.
2. R
emove
the
seat
as
desc
ribed in
Chapter
Twelve.
3.
Remove
the
fuel lank as
described
in
Chapte
r
Seven.
4. Remove
the
bolt and
cap
nut
securing
the cyl-
inder head left-hand
cover (Figure
91
). Remove
the
cover and
rubber
cushions.
5.
Caref
ully
disconnect
the
spark
plug l
ead
(Fig-
ure
110
) from
thc
spark
plug.
6.
Connect
thc
compression
test
er
to
thc
cylinder
fo
ll
owing
the manufacture
r'
s inst ructions.
7.
Crank
t
he
enginc
over until
there
is
no
further
rise in pressurc.
8.
Remove the tester and record the reading.
When
intcrprcting the res
ul
ts,
ac
tual readings are
nO!
as
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