Installation - Yamaha SZR 660 Service Manual

CARBURETOR
Tighten or loosen the synchronisation screw
(1)
until
the
secondary
throttle
valve
(2)
starts to
open.
Check
that the
secondary
valve
\s
open
horizontally (a)=(b)
when
the primary carburetor
valve
is
completely open.
CARBURETOR
4.
Adjust:
•
Throttle
cable
free
play
See section
THROTTLE CABLE FREE
PLAY
ADJUSTMENT
in
CHAPTER
3°.
s
Throttle cable free play:
3-5
mm
5. Adjust:
•
idle
speed
See sectionlDLE
SPEED ADJUSTMENT
in
CHAPTER
3°.
C\
Engine
idle
speed:
1
,300
± 50 rpm
INSTALLATION
Perform
the
"REMOVAL"
procedures
in
reverse
order, paying
attention
to
the following points:
1. Install:
Carburetor
unit
Screw (clamp-left
joint):
2
Nm
(0.2
mkg)
Screw
(clamp-right
joint);
5
Nm
(0.5
mkg)
2. Install:
• The
air
cleaner hose
to the carburetor
moving
the
air filter
case towards
the front
part
Screw
(clamp-left manifold):
2
Nm
(0.2
mkg)
Screw
(clamp-right manifold):
5
Nm
(0.5
mkg)
3.
Install:
• Throttle cable
(1)
•
Starter cable
knob
(2)
FUEL LEVEL
ADJUSTMENT
1
.
Place
the
motorcycle on a
level
surface.
2.
Make
sure
that
the
carburetor
is in
a horizontal
position by placing a jack
under
the
engine.
3.
Connect the
fuel level
gauge
(1) to
the drain
pipe of the
float
chamber.
Fuel level
gauge:
P/N.YM-01312-A
P/N.
90890-01312
4.
Loosen
drainer
screw
(2)
and heat the
engine.
5.
Make
sure
that
fuel level
gauge
is
in a vertical
position
near the match face
of
the
float
chamber.
6.
Measure;
•
Fuel level (a)
Out
of specification
->
Adjust.
Fuel
level:
6.0~8.0
mm
Under the
edge
of the
match
face
of
the
float
chamber
6-15 6-16