Inspecting The Throttle Body - APRILIA RSV mille Workshop Manual

FUEL SUPPLY SYSTEM

4.8.4 INSPECTING THE THROTTLE BODY

TESTING THE INJECTOR
a
WARNING
The fuel is explosive and highly inflammable. Keep
fuel away from ignition sparks, heat and flames.
NOTE
The injectors can be controlled electrically.
N
Check the following components:
– wiring and connections;
– injector or injection signal of the engine control unit,
see 6.4 (IGNITION SYSTEM).
Checking injector resistance:
See 6.4.12 (CHECKING THE INJECTORS).
THROTTLE BODY
a
CAUTION
Use neutral detergents only.
For cleaning, use a product for removing sealing, a
degreasing product or a detergent for cleaning when
cold.
N
Clean all the openings and pipes of the throttle body (1)
using compressed air.
a
CAUTION
Once the intake pressure sensor (9) its installed, not
utilice the compressed air for the pipes cleaning;
danger for damages.
N
Check the pipes of the intake pressure sensor (2),
watching out for any clogging.
N
Check the throttle valves unit and the cable fastening
mechanism (3), watching out for any signs of mechani-
cal damage.
NOTE
In the event the synchronization screws (4) or
O-rings (5) are replaced, synchronize the cylinders, see
4.8.10 (CYLINDER SYNCHRONIZATION).
N
Unscrew the two cylinder synchronization screws (4)
only in case of air escapes.
N
When replacing the tie rod of the ball joint (6), disen-
gage the tie rod from the throttle valve control lever (7)
and throttle cable pulley (8).
N
Once a new ball joint tie rod (6) has been fitted, make
sure it moves freely.
4 - 18
- 00
RSV mille
Release 00/2002-10