Fuel Level Adjustment; Fuel Pump; Checking The Pump Operation; Removal - Yamaha SZR 660 Service Manual

CARBURETOR/FUEL
PUMP
<i>H
7.
Adjust;
Fuel level
Fuel
level
adjustment:
Remove
carburetor
unit.
•
Inspect vafve housing and needle
valve.
If
either of the two
is
worn, replace
both.
If
both are perfect, adjust
float
height by bending
the
wing
tab
of
the
float itself (1).
•
Recheck
the
fuel level.
FUEL
PUMP
CHECKING THE PUMP OPERATION
1
.
Inspect:
• Fuel
pump
operation
********«#**
*
ft
Checking
the operation:
• Disconnect the carburetor
fuel
delivery pipe
(1).
• Place a container under the
tip ol
the delivery
pipe.
• Turn
the
main
switch to "ON".
• Press
the start button.
• Check
that the fuel
comes
out
of the delivery
pipe.
If
the fuel
does
not
come
out.
replace
the
fuel
pump
unit.
Refer
to the
"iNSPECTION"
section.
REMOVAL
1.
Remove:
• Seat
• Fuel tank.
See
the section "SEAT,
FUEL
TANK
AND REAR COWLING*
in
chapter
3°.
2.
Disconnect:
•
Fuel delivery pipe
(1) (to
carburetor)
• Suction pipe
(2)
«
Fuel delivery pipe
(3)
(from fuel cock
to
pump)
3.
Remove:
• Nuts
(4) (fuef
pump)
• Fuel
pump
assembly
(5)
FUEL
PUMP
INSPECTION
1
.
Inspect:
•
Fue! pipes
•
Suction pipe
•
Cracks/Wear/Damage Replace.
2. Inspect:
•
Fuel
pump
assembly
(1)
Cracks/Damage ->
Replace.
INSTALLATION
Perform
the
"REMOVAL"
procedures
in
reverse
order,
paying
attention to
the following points,
1.
Connect:
• Suction pipe
*
Fuel delivery pipe
to
carburetor
Fuel pipe (from fuel
cock
to
pump)
NOTE:
When
connecting pipes,
be carefut
to
do so
correctly.
2. Install:
• Fuel
pump
assembly
{to fuel tank bracket)
3. Tighten:
• Fuel
pump
assembly mounting nuts
Nuts (fuel
pump
to bracket):
5
Nm
(0.5
mkg)
4. Install:
• Fuel tank
• Seat
See
the section "SEAT,
FUEL
TANK AND
REAR COWLING"
in
chapter
3°.
6-17 6-18