Honda CRF450R 2012 Service Manual

FUEL SYSTEM
Disconnect the PAIR air suction hose from th e air
cleaner housing. VACUUM PUMP
Disconnect the PAIR control valve vacuum hose and
plug the vacuum hose.
PAIR CONTIROl VALVE
6-30
Connect a vacuum pump to the PAIR control valve.
Start the engine and open the throttle slightly to be
certain that air is sucked in through the PAIR ai r suc-
tion hose.
If the air is not drawn in, check the PAIR air suction
hose
for clogs.
With the engine funning, gradually apply vacuum to
the
PAIR control valve.
Check
that the PAIR air suction hose stops drawing
air. and that the vacu um does not bleed.
SPECIAEO VACUUM : 56 kPa (420 mmHg)
If the air is drawn in, or if the specified vacuum is
not maintained, install a new PA IR control valve.
PAIR CONTROL VALVE REMOVALI
INSTALLATION
Remove the right radiator shroud (page 3-4). ~~[! §:SIJ~~~!E E
Disconnect the vacuum, air supply and PAIR air sue- •
tion hoses .
Remove the bolts, nuts, stay and PAIR control valve. I ~~~~~~
Installation is in the reverse order of remo val.
TORQUE:
PAIR control valve mounting nut:
13 N-m (1 .3 kgf·m, 10 Ibf.ft)
PAIR CHECK VALVE INSPECTION
Remove the PAIR control valve (page 6-30),
Remove the screws, PAIR check valve cover and
PAIR check valve.
.
PAIR CHECK VALVE
PAIR AIR
HOSE
VAIOULIM HOSE
•

Honda CRF450R 2012 Specifications

General

Brand	Honda
Model	CRF450R 2012
Category	Motorcycle
Language	English