APRILIA RSV4 RR 2017 Service Station Manual page 381

RSV4 RR-RF
The oil vapours exit from the fitting (2) on the alternator cover and enter the air filter box whereas the
liquid returns to the oil sump.
SAS valve
Pos. Description
1 Cylindrical head, hex. socket secon-
dary air solenoid screws
Diagram
Valve controlled by control unit which delivers as-
pirated air from the filter box to the exhaust mani-
folds.
The advantages of this function are twofold:
•
the catalytic converter reaches the op-
erating temperature more quickly;
•
it permits the use of richer mixtures in
some critical conditions (e.g. at idle or
low engine speeds).
S
ECONDARY AIR SYSTEM
Type Quantity
M6x16 2
Torque Notes
10 Nm (7.38 lb ft)
Engine
-
ENG - 381