Disassemble
Remove fuel tank.
Disconnect the fuel hose.
Remove all connectors connected to throttle body.
Loosen the throttle body retaining clamp.
As Fig.4.2.3
Remove the throttle line from the throttle body.
Remove throttle body assembly.
Such as Fig. 4.2.4
Note：
Be careful not to damage the throttle cable bracket
when dismounting or remounting thethrottle body
assembly.
After disconnecting the throttle cables, do not snap
the throttle valve from full open to fullclose. It may cause
damage to the throttle valve and throttle body
CLEANING
Clean all passageways with a spray-type throttlebody
cleaner and blow dry with compressed air.As in Fig.4.2.5
WARNING:
Some throttle body 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.
Note:
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 throttle body cleaning chemicals to the rubber and
plastic materials.
INSPECTION
●
Check following items for any damage or
clogging.
*
O-ring
*
Throttle shaft bushing andseal
*
Injector cushionseal
*
Fuelinjector
*
Throttlebody
*
Intakepipe
*
Throttle valve
*
Vacuum hose
Check fuel injector filter for evidence of
dirt and contamination. If present, clean
and check for presence of dirt in the fuel
lines and fuel tank.
Fig.4.2.3
Fig.4.2.4
Fig.4.2.5
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