Valve Operating Mechanism; Valve Operating Mechanism Disassembly; Valve Operating Mechanism Inspection; Arrow Marking On Piston Head View - Honda C50 Shop Manual

G
·•=<=
A ISM
- e -::_5"' .o .es ore incorporated
Tne exhaust valve is
--e ·- e• o lve to afford greater
-e
exhous valve is constantly
- -:;;" ;emperoture, therefore, it
-·g~
heat resisti ng material to
- :;- ·s-:Je·a·ur e as w ell as th e wear.
--:: - ·e o l
es at o very high speed
- - -- ::·- c' amber w hich is located ®n th e
pre v ent chain noise. Further, in
• : --s conventional push rod typ e of o
- - : S".
em has less recipro cating movement
- :::. :e - -...
-~g
noises and therefore the opera-
-=- -
-oo·her and quieter, making is very
: · :- - ·;;;- speed, with the consequent increase
(Fig.
3-56, 3-57)
-.s:se~b l y
~
:-:: e 'he cylinder head in accordance with
: s::-
:J-
3.21o .
- ·e
· oc er arm is disassembled from the cylinder
·:-:::::: pulling out the rocker arm shaft. (Fig.
3-58)
=::-:J·ess the valve spring with the valve lifter
::-:: a· er removing the valve cotter, the valve
:::·
~g
a nd th e r etainer con be removed. (Fig.
3-59)
ec
i on
;:::cier arm
• • - - ; • S
r .
f:,;;~
..
eo;
:::.o e
Standard Va lue
10 mm 10.394 in.l
+
0.0 15 10.0006
in.)
- 0 1- 0
in.l
er arm shaft
Standard Value
1 0
mm
10.394
in.l
-0.013 10.0005
in.)
-0.022 10.0009
in.l
0.0 13-0.037
10.0005-0.0015
in.l
Serviceable Limit
Replace if over
0.3 10.012
in.)
Replac e if over
10.1 10.398
in.)
Serviceable Limit
Replace if under
9.91 10.390
in.)
Replace if over
0.1 10.004
in.)
Piston
Figure 3- 55. Arrow marking on piston head
Exhaus i valve
SEH3
Heat resisting s eel
Inlet valve
1/
figure
3- 56.
Valves
Valve
figure 3- 57. Val ve operating mechanism