Honda CLYMER VF500C 500F (1984-1985) [176/350] Crankcase breather system magnai

Honda CLYMER VF500C 500F (1984-1985) [176/350] Crankcase breather system magnai
FUEL. EXHAUST AND EMISSION
CONTROL SYSTEMS
165
CRANKCASE
BREATHER
SYSTEM
(MAGNAI
Air
filter
kA
Fresh
air
lF
Blow-bY
gas
Main frame
Carburetor
Drain
tube
Drain
plug
CRANKCASE
BREATHER
SYSTEM
(u.s.
ONLY)
To
comply
with
air
pollution
standards, the
Honda
V-4's
are
equipped
with
a crankcase
breather
system.
The
system shown
in Figure 59 is
used
on
Magna models and Figure 60 shows the
system used on
Interceptor models. Each
system
draws blowby
gases
from
the crankcase and
recirculates
them
into the fuel/air mixture and thus
into
the engine
to be burned.
Inspection/Cleaning
l. Make sure all hose clamps are
tight. Check
all
hoses for
deterioration and
replace
as
necessary.
2.
Remove
the clamp and
plug
(Figure
61)
from
the drain
hose
and
drain
out all
residue.
3.
This
cleaning
procedure
should be done
more
frequently
if
a considerable amount
of
riding is
done at
full
throttle or
in
the
rain.
NOTE
Be
sure to install
the drain
plug
and
clamp.
EVAPORATIVE
EMISSION
CONTROL SYSTEM
(CALTFORNTA
MODELS
ONLY)
Fuel vapor from within
the
fuel
tank
is routed
into
a charcoal
canister.
This vapor
is
stored
when
the engine is not running.
When
the engine
is
running,
these
vapors
are drawn through
a
purge
control
valve
and into
the carburetor
to
be
burned.
Make
sure all
hose
clamps
are tight. Check all
hoses for
deterioration and
replace
as necessary.
Figure
62 shows the system layout. Figure
63
shows hose routing
and connections.
NOTE
Before
disconnecting
any hose, label the
hose
and ils
finings
with
masking tape
so
the
hose can be
reconnected
properly.
The
system uses many
hoses
which
can
easily be
misconnected.
Removal/Installation
l. Remove
the seat as described in
Chapter
Twelve.
2.
On
Interceptor models, remove
the front fairing
as described
in
Chapter
Twelve.

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