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20. EXHAUST EMISSION CONTROL
SYSTEM GRAND DINK 125/150
(A)Type A.I.C.V
SECONDARY AIR CLEANER /
AIR INJECTION CUT-OFF
VALVE (A.I.C.V.) Air Outlet Tube Air Inlet Tube
REMOVAL
Remove the seat.
It is near battery location
(B type A.I.C.V--seat normal design scooter)
Remove the center cover.(A type A.I.C.V
--seat lower design scooter)
Disconnect the secondary air cleaner /(A.I.C.V)
connecting tube.
Vacuum Tube
INSPECTION
Inspect the air injection cut-off valve flow (B)Type A.I.C.V
using a vacuum pump. If the flow is not
within the specified values, replace with a
new one.
The flow should be at least 30 liter/min Vacuum Tube
when a vacuum of 250mm/Hg is applied.
The flow should be at least 1.6 liter/min
when a vacuum of 320mm/Hg is applied.
Check each connecting tube for cracks or
damage and replace if necessary.
INSTALLATION
The installation sequence is the reverse of
removal.
Air Inlet Tube
· The secondary air cleaner must be Air Outlet Tube
assembled and installed properly to
avoid dust entering the air cleaner.
· When installing, be careful not to
bend or twist the tubes and check for
proper installation.
· The tube length is very important to
its performance, use the tube of
same specification for replacement.
20-3