Suzuki SFV650, Service Manual

Page: 204 / 573

1D-15 Engine Mechanical:
• Tighten the fuel delivery pipe mounting screws (8) to
the specified torque.
Tightening torque
Fuel delivery pipe mounting screw (b): 5 N·m (0.5
kgf-m, 3.5 lbf-ft)
• Install the throttle link rod (9) and secondary throttle
link rod (10).
NOTE
The throttle link rod (9) is longer than the
secondary throttle link rod (10).
Throttle Body Inspection and Cleaning
B944H11406044
Refer to “Throttle Body Disassembly and Assembly
(Page 1D-11)”.
Cleaning
Clean passageways with a spray-type carburetor
cleaner and blow dry with compressed air.
CAUTION
!
• Never clean the main bore of throttle body
to prevent come off molybdenum from the
throttle valve.
• Do not use wire to clean passageways.
Wire can damage passageways. Always
follow the chemical manufacturer’s
instructions for proper use and cleaning of
the throttle body components. Do not
apply carburetor cleaning chemicals to the
rubber and plastic materials.
Inspection
Check following items for any defects or clogging.
Replace the throttle body, if necessary.
• O-ring
• Throttle valve
• Secondary throttle valve
• Vacuum hose
• STVA lead wire
Throttle Valve Synchronization
B944H11406045
Use of SDS Tool
Check and adjust the throttle valve synchronization
between two cylinders.
1) Remove the air cleaner box. Refer to “Air Cleaner
Box Removal and Installation (Page 1D-6)”.
2) Disconnect the IAP sensor vacuum hoses (1) at the
throttle body side.
3) Connect the respective vacuum tester hoses (2) to
the vacuum nipples.
4) Set up the SDS tool. (Refer to the SDS operation
manual for further details.)
5) Start the engine.
6) Click “Data monitor”.
7) Warm up the engine (Water temp. more than 80
°
C
(176
°
F) “A”).
(b)
8
I944H1140284-01
9
10
I944H1140285-01
1
1
I944H1140332-01
2
I944H1140333-01
“A”
I944H1140344-02