2 -
14
EN
GI
N E
TU
NE-
UP
- Valve Clearance
flg
.~O
fig.
2·
42
,,.,
L_
VALVE
CLEARANCE
ADJUSTMENT
2
3
Warm
up
tho engine
to
normal operaung
temperature
Stop the engine and reughten the cylinder
head bolts. the rocker suppOrt blots and
nuts
Tightening torque:
Cylinder head
bolts
11
.6
-
13
.6
kg
·m
(84 -
97
ft
· lb)
Rocker support l>olls and
nuts
1 O mm
boll
3.0 -
4.5
kg
·m
(22
-
32
It-lb)
8
mm
bolt
2.0
- 3.0
kg·m
1
16
- 21 ft-lb)
Adiust the valve clearance.
(I)
Set the engine
at
idle speed. and
check the valve clearance
(21
(31
Ad1ust
11
necessary
Valve
clearance:
Intake
0 .
20
mm
(0.
008
In.I
Exhaust 0.
36
mm
(0.014
In.I
Ret
igh
ien the lock nuts socuroly
after
ad1ustmen1.
Recheck the valve clearance.
Fig.
2· 44
Fig.
2-45
------
Cho
ko
B1
eu
k1•
Olnph1aurn
VTV
5 -
'5
ffCOnd•
E
NG
IN E
TU
N
E-UP
- Carburetor 2-
15
CARBURETOR
1
1!'5
1
CHOKE
I Pull
out
the choke k
no
b all the
way
and
check
to
see that the choke valve is fully
closed
~
2
.
Chock
10
soo
I hat tho choko valve
1s
fully
open
when
tho choke knob
has
been
returned
CHOKE
BREAKER
(USA)
~
1.
2.
Stan
th
e ongi
no
.
Disconnect
1h
o vacuum h
ose
between the
carburetor
and
tho
VTV
al
the carburetor
side.
3 Check that
mo
choke breaker hnkage
returns quickly
by
sprong
1ons1on
.
Reconnect tho hose
Check
th
at
tho choko breaker link
age
rs
pulled into
lhO
doaptuogm wrthon 5 -
15
seconds niter r
ecom1oc11119
1h
e hose.
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