Honda Magna VF750C, Service Manual

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General Information
Evaporative Emission Control System ( California Type Only)
This vehicle complies with the California Air Resources Board requirements for control of evaporative emissions .
Fuel vapor from the fuel tank and carburetor is routed into the evaporative emission canister where it is absorbed and stored
while the engine is stopped . When the engine is running and the evaporative emission purge control diaphragm valve is open
fuel vapor in the evaporative emission canister is drawn into the engine through the carburetor. At the same time, the evaporative
emission carburetor air vent control valve is open and air is drawn into the carburetor through the valve .
(1)
EVAPORATIVE EMISSION ( EVAP) PU RGE CONTROL VALVE
c:::>:
(7) FRESH A I R
.. : (8) F U E L VAPOR
(6) EVAPORATIVE EM ISSION CARBURETOR
A I R VENT (EVAP CAV) CONTROL VALVE
Noise Emission Control System
(2)
FUEL TAN K
(3)
EVAPORATIVE
( EVAP)
CAN I STER
(4) FRESH AIR
'
(5)
DRAIN
TAMPERING WITH THE NOISE CONTROL SYSTEM IS PRO H I BITE D : Federal law prohibits the following acts or the causing
thereof :
( 1)
the removal or rendering inoperative by any person, other than for purposes of maintenance, repair or replace­
ment, of any device or element of design incorporated into any new vehicle for purpose of noise control prior to its sale or
delivery to the ultimate purchaser or while it is in use; or
(2)
the use of the vehicle after such device or element of design
has been removed or rendered inoperative by any person .
Among those acts presumed to constitute tampering are the acts listed below:
1.
Removal of, or puncturing the muffler, baffles, header pipes or any other component which conducts exhaust gases .
2 .
Removal of, or puncturing of any parts of the intake system.
3.
lack of proper maintenance .
4. Replacing any moving parts of the vehicle, or parts of the exhaust or intake system, with parts other than those specified
by the manufacturer.
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