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GENERAL INFORMATION
EMISSION
CONTROL SYSTEMS
The
U
S
Environmental
Protection
Agency
and
California Air
Resources Board (CARBl
requiro
manufacturers
to
certify that
their
motorcycles
comply
with applicable
exhaust emissions standards during
their
useful
life,
when
operated
and
maintained
according
to
the instructions provided,
and
that
motorcycles
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 purchaser,
when
operated
and
main
tained
according to
the instructions provided.
Compliance
with
the
terms
of the
Distributor's
Limited
Warranty
for
Honda
Motorcyclo Emission
Control
Systoms
is
nocessary
in
order
to
koop
tho omissions
system warranty
in effect.
SOURCE
OF EMISSIONS
The
combustion
process
produces carbon
monoxide and
hydrocarbons. Control
of
hydrocarbons
is
very important because,
under
certain
conditions, they
react to
form photochemical
smog when
subjected
to sunlight.
Carbon monoxide does
not
icact
in
the
S8me
way,
but
it
is
toxic
Honda
Motor
Co., Ltd.
utilizes
lean
carburetor
settings as well
as
other systems,
to
reduce carbon
monoxide
and
hydro-
carbons.
EXHAUST
EMISSION
CONTROL SYSTEM
The
exhaust emission
control
system
is
composed
of
a
lean
carburetor
sotting,
and
no
adjustments should bo
mado
except
idle
speed adjustment
with the
throttle
stop
screw The
exhaust emission
control
system
is
separate
from
tho
crankcase emission
control
system
CRANKCASE
EMISSION
CONTROL SYSTEM
The
engine
is
equipped
with
a
closed crankcase
system which
routes
crankcase emissions through
the
air
cleaner
into
the
combustion chamber.
01
CARBURETOR
<2>
AIR
CLEANER
(3»
CRANK
CASE BREATHER
SEPARATOR
1-26
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