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14
<D
Vorn1or
cnlipor
1%)
V<1l11e
spring
Fig.
23
!l)
Mtcromo101
(2)
Camshaft
Fig.
24
(tJ
Cyhndor
paun11
F'ig.
26
cl)
'"O''
mmk
(21
~oy
Fig 28
6
lnspec11ng
lhe
valve spring
Measure the
length
of the
valve spring
free lenglh with a verruer caliper
Standard
Value
1
11 <28
1
mm)
h
Seflllci111ble
Llmll
J\eplace
,t
under
1 06 {26 9 mm)
7
Inspecting the camshaft
Measure
the
cam
li
ft
with
a
micrometer
Item
Base
c11cle
Cam
hfl
(111clud1ng
the
base
circle)
Standard Value
O
825
(21
0 mm)
1 025
(26
076
mm)
f
Serviceable
L•·n11
~
epleco
,r
u
1<101
819
(20
8 mm_l
eplacti 11 under
015 (25
B
mm)
8
Measuring the inside diameter of the
cylinder
Use a cylinder gauge and measure the
rnsrde
d,ameter
of the cylmder at the
top. center and
bouom in
bo1h
tho x
"ind Y axes
If
the cylinder ,s oxcessrvely
worri. 11
should
be
e•ther
rebored or
replaced
With
a
new cyltnaer depending
upon the
extent
or
wear (Fig 2
5)
51anoard
Valu1;1
I 5368
-
1 5362
\39
01- 39
02
mm)
Note
:
Snrv1coe1>le
l,mu
39 1 (1 540 mm)
When relionng tne cvl111der. 11
,11us1
be rebored to ari oversize unus of
0 010
(0
25 mm) up to a maximum ol
0 40 (1 0
mm) since
1he piston and
the piston
ring
sets comes
in
those
oversizes only
0
.
Reassembly
Perform 1he reassembly ,n
the
reverse a
i
der
of d,sassemuly which was desc11bed
111
paQe
9
section B.
however. follow the procedure
below
tor 11ming
the
valves
Posuion the
key of the
lert
crankshar1
so
that 1t
is
poinung
toward
the cylinder
head.
and position the
cam
that the
·•
0" mar~1ng
on
the
cam
sprocket
is
at
the
topmost
posnion
(Fig
.
26).
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