Mazda 121 - Camshaft; Valve Spring

INSPECTION
/
REPAIR
Out-ol-square
IN
1.42
(0.055)
EX
1.42
(0
055)
Valve
Spring
1. Inspect
each
valve
spring
lor cracks
and
damage
2. Measure
the
free length
and out
oi square
Replace
the
valve
spring
if
necessary.
Frge
length
standard...mm
(in),
Mit]imum...N
(kg
lb)/mm
(in)
CAMSHAFT
1. Set
the
front and
rear
iournals
on
V-blocks-
2. Measure
the
camshaft
runout
Replace
the camshaft
if
necessarv.
Runout:
0.03mm
(0'00'12
in) max.
3.
Inspect
the
camshaft
for
wear and
damage
Replace the
camshafi
iJ necessary.
4. Measure
the cam
lobe
heights
at the
two
points
as shown
#@
B-52
Height
mm
(n)
41.5-42
0
{r.634
1.654)
No correcton
n€€ded
42.0-43.0
(1.654-1.693)
Adjusl
with washer
on sping
seal
area of
cylinder
head
[4ore than
a3
0
(1.693)
Beplace cylinder
head
B3
IN
Slandard
40 7
(1.602)
Minimum
133.2-r50
7
(r3
58
1s.37. 29 88-33
81!36
0
(1 417)
EX
Slandard
40.7
0.602)
L4inimum
133.2-150.i
03
58-15.3/
4.88-33
8l)86
0
(1
414
B3
IN
Slandard
36.527
0.4380)
lVlnimum
36.327
(1.4301)
Slandard
36.333
(1.4304)
[,'linrm!m
36.133i'1.422s)
mm
{rnl