Orion AGB-21G Service Manual page 19

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Timing chain:
Timing chain type / No. of links
i T
m
n i
g
c
h
a
n i
a
d
u j
t s
Valve, valve seat, valve guide:
Valve clearance (cold)
Valve dimensions:
A
Head Diameter
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Stem outside diameter
Guide inside diameter
Stem-to-guide clearance
I
e t
m
m
e
t n
m
e
h t
o
d
IN
EX
B
Face Width
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
MAINTENANCE SPECIFICATIONS
S
a t
n
90T/90
A
u
o t
m
a
c i t
0.02 ~ 0.04 mm
0.02 ~ 0.04 mm
C
Seat Width
26.9 ~ 27.1 mm
22.9 ~ 23.1 mm
1.1~1.5 mm
1.1~1.5 mm
0.9 ~ 1.1 mm
0.8 ~ 1.0 mm
0.65~0.95 mm
0.65~0.95 mm
4.97~4.985 mm
4.955 ~ 4.97 mm
5.000 ~ 5.012 mm
5.500 ~ 5.512 mm
0.015 ~ 0.042 mm
0.030 ~ 0.057 mm
2 - 5
d
a
d r
----
-
- - -
----
----
Margin Thickness
----
----
----
----
1.6 mm
1.6 mm
----
----
4.94 mm
4.925 mm
5.050 mm
5.550 mm
0.08 mm
0.10 mm
i L
m
t i
D

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