Page 191 - 2019 SHOP MANUAL CRF1000/A/D

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FUEL SYSTEM
Temporarily install the fuel tank (page 7-6).
Temporarily connect the IAT sensor 2P (Black)
connector (page 7-12).
Lift the fuel tank (page 3-3)
Start the engine and open the throttle slightly to be
certain that air is sucked in through the disconnected air
suction hose [1].
If the air is not drawn in, check the air suction hose and
air supply hose [2] for clogs and PAIR control solenoid
valve [3].
For PAIR control solenoid valve removal/installation
(page 7-19).

[3]

[2] [1]

FRESH AIR
EXHAUST GAS

PAIR CONTROL SOLENOID VALVE
REMOVAL/INSTALLATION

Remove the air cleaner housing (page 7-11).
[1]
Disconnect the 2P (Black) connector [1].
Disconnect the suction hose [2] and air supply hose [3]
and remove the PAIR control solenoid valve [4].
Installation is in the reverse order of removal.

[3] [4] [2]
PAIR CONTROL SOLENOID VALVE
INSPECTION
Remove the PAIR control solenoid valve (page 7-19).
[1]
Check the air flow through the solenoid valve.
Air should flow from input hose fitting (A) to output hose
fitting (B).
Connect a 12 V battery to the 2P connector [1] of the
PAIR control solenoid valve.
Air should not flow when the battery is connected. (A)

(B)

7-19