Secondary Air Supply System (California Model Only) - Honda Hawk GT NT650 1988 Service Manual

MAINTENANCE
SECONDARY AIR SUPPLY SYSTEM
(California model only)
Check the air and vacuum hoses and tubes for bending or
twisting and straighten if necessary.
Check the system hoses and tubes for damage, deterioration.
clogging or loose connections.
Check the air suction valve for damage (page 4-17l.
Refer to the vacuum hose routing diagram label for hose con-
nections as shown below.
EVAPORATIVE EMISSION CONTROL
SYSTEM (California model only)
Check the hoses between the fuel tank, canister, purge control
valve (PCV), air vent control valve (AVCVl, and carburetor for
deterioration, damage or loose connections.
(2) PURGE CONTROL
VALVE
(1) CARBURETORS
[~
ro!JE:?~ill'l
(4) DRAIN
(5) CHARCOAL
CANISTER
\':=~~~~=~~~;U'1"'----(6)
AIR VENT
I •
CONTROL VALVE
~
(7) AIR VENT CONTROL
(8) TO OPEN VALVE
AIR (ENGINE STOP)
<>:
FRESH AIR
.....: FUEL VAPOR
(3) FUEL TANK
Also check the tubes for bending or twisting and straighten if
necessary.
Check the canister for cracks deterioration. or other damage.
Refer to the vacuum hose routing diagram label for connec-
tions as shown right.
VACUUM HOSE ROUTING DIAGRAM
ENGltoE FAMLY-AiN064742G9 TO AIRIC
t
EVAPORATIVE FAMlLY-88Z0 NCV
CALIFORNIA VEHICLE
3-11