Honda C65 - Cam Chain Tensioner; Valve Operating Mechanism Reassembly; Removing the Valve Rocker Arm; Removing Valve Cotter

26
Figur e 3- 58.
Re - :::. · -; ·-~
Valve
F igu re 3-59. Removing valve co tt er
3.
ENGINE
ro cker a rm
e od
131 Chec k for pro p er t appet cle ar anc e ! bo th inl et
and exhaust sh ou ld be 0.05 mm (0. 00 2 inl, t oo
sma ll a clearance w ill cause the valves to remain
p artl y open, causing co mpression leak and result
in
hard starting.
141 Ch ec k for pr o pe r valve timing.
(51
Check to see t ha t the ca m ch ai n is not st retched.
c. R
easse mbly
Assem ble in . t he same pr o ce dure as the di s-
assemb ly with the us e o f the v al ve lif ter.
9. CAl !\ CH AIN TEN SIONER
n o·l damper typ e of a cam chain da m per is
e mployed -o suppress he vibratio n of the cam <;: h ain,
thereby, rn a in g i possible to con t rol the ca m ch.ain
f
or high speed oper a tion and also pr eventing ch ai n
noise.
Be
for e the engine s ar ts, th e chain tensi on er spring
co m par t me nt is flo o de d w it h th e oil w hich e nt ers f rom
the o il damper strainer.
After the eng ine starts, the air re m ai ning ab ov e
the st
ar ting o il level in the te ns io ner s pr ing compart-
ment, passes
fr om the ho le A in the gu id e to ho le
B due to the
reci pr ocating m ot io n of the te ns io n er
spring gu id e and ente rs the cra nkcase. W hen the
engine st
arts the oil lev el rises a bov e the oi l ho le B.
Figure 3- 60 . Cam cha in tensia ne r de tail diagram