Throttle Body Inspection And Cleaning - Suzuki Intruder VZ1500 Service Manual

1D-17 Engine Mechanical:
• Install the fuel injector (6) by pushing it straight to the
delivery pipe (7).
CAUTION
!
Never turn the injector while pushing it.
NOTE
Align the coupler "E" of the injector with
boss "F" of the delivery pipe.
6
"E"
• Install the fuel delivery pipe assembly (7) to the
throttle body assembly.
CAUTION
!
Never turn the fuel injectors while installing
them.
• 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)
7
7
"F"
I940H1140045-02
7
8
(b)
8
(b)
I940H1140046-02

Throttle Body Inspection and Cleaning

Refer to "Throttle Body Disassembly and Assembly
(Page 1D-14)".
Cleaning
WARNING
!
Some carburetor cleaning chemicals,
especially dip-type soaking solutions, are
very corrosive and must be handled carefully.
Always follow the chemical manufacturer's
instructions on proper use, handling and
storage.
• 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. If the
components cannot be cleaned with a
spray cleaner it may be necessary to use a
dip-type cleaning solution and allow them
to soak. 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
ISC Valve Visual Inspection
Visually inspect the ISC valve, if necessary.
1) Remove the screws.
B940H21406010
I940H1140047-01