APRILIA RSV4 Factory a-PRC 2009 User Manual

The Blow-by system uses the rotation of the countershaft (1) to separate the engine oil into oil vapour
and liquid.
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
SECONDARY AIR SYSTEM
pos.
Description Type Quantity Torque Notes
1 Secondary air system solenoid
screws
- 2 10 Nm (7.37 lbf ft) -
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).
RSV4 Factory a-PRC Engine
ENG - 385

APRILIA RSV4 Factory a-PRC 2009 Specifications

General

Brand	APRILIA
Model	RSV4 Factory a-PRC 2009
Category	Motorcycle
Language	English