Evaporative Emission Control System (California Type Only); Noise Emission Control System - Honda VT750C2 Shadow Spirit Service Manual

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GENERAL INFORMATION
EVAPORATIVE EMISSION CONTROL SYSTEM (California type only)
This model complies with CARB evaporative emission requirements. Fuel vapor from the fuel tank is routed into the
evaporative emission (EVAP) canister where it is absorbed and stored while the engine is stopped. When the engine is
running and the EVAP purge control solenoid valve is open, fuel vapor in the EVAP canister is drawn into the engine
through the carburetor.
EVAP PURGE CONTROL VALVE
EVAP CAV CONTROL VALVE
(AT ENGINE STOP)
~
EVAP CAV CONTROL
VALVE
(AT ENGINE RUNNING)
<­
FUEL VAPOR
(AT ENGINE STOP)
..
F UEL VAPOR
FUEL TANK
(AT ENGINE RUNNING)
NEGATIVE PRESSURE
EVAP CANISTER
I\lOISE EMISSION CONTROL SYSTEM
TAMPERING WITH THE NOISE CONTROL SYSTEM IS PROHIBITED: U.S. Federal law prohibits, or Canadian provincial law
may prohibit the following acts or the causing thereof: (1) The removal or rendering inoperative by any person, other than
for purposes of maintenance, repair or replacement, of any device or element of design incorporated into any vehicle for
the purpose of noise control prior to its sale or delivery to the ultimate customer or while it is in use; (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 of the muffler, baffles, header pipes or any other component which conducts exhaust gases.
2. Removal of, or puncturing of any part 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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