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GENERAL INFORMATION
EMISSION CONTROL SYSTEMS
The U.S. Environmental Protection
and California Air Resources Board (CARB) require manufacturers to certify that
their scooters comply with applicable exhaust emissions standards
their useful life, when
and maintained ac-
cording to the instructions provided. and that scooters built after January 1, 1983 comply with applicable noise emission
standards for one year or
6,000
km
(3.730
miles) after the time of sale to the ultimate
when
and main-
tained
to the instructions provided.
with the terms of the Distributor's Warranties for Honda Motor-
cycle Emission Control Systems is necessary in order to keep the emissions system warranty in effect.
OF EMISSIIONS
The combustion process produces carbon monoxide and hydrocarbons. Control of hydrocarbons is very important because,
under certain conditions,
react to form
smog when subjected to
Carbon monoxide does not
react in the same way. but it is toxic.
Honda Motor Co., Ltd.
carbons.
lean carburetor
",p1rtir,n",
as well as other systems to reduce carbon monoxide and hydro-
EXHAUST EMISSION
SYSTEM
The exhaust emission
system is composed of lean carburetor settings. and no adjustments should be made except
idle speed adjustment with the throttle stop screw.
SYSTEM
The engine is equipped with a closed crankcase system which routes crankcase emissions through the air cleaner and into the
combustion chamber. Condensed crankcase vapors are accumulated in
a
storage tank which must be emptied periodically.
See the Maintenance Schedule in section
3.
(1)
AIR CLEANER
(3)
BREATHER
SEPARATOR
(4)
DRAIN TUBE
(5)
DRAIN PLUG
(6)
(2)
CARBURETOR
tANK
<:;:>
(6) FRESH
AIR
__ (7) BLOW-BY GAS
1-15
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