Rotax 277 - SECTION 6 CARBURETION; BING CARBURETOR DESCRIPTION

-6-
SECTION 6
CARBUNNTfON
The BIUG
carburetor
is a
piston
type
carburetor
with
float
chamber.
-lhe
carbJretor
can be
adjusted oy
jet
replace-
ment
ofvarious approved
sizes,
by
adjusting
idle airlfuel
mixture
screw, carb
pision
stop adjustr0ent,
needle sjrzes,
and needfe
clip
posirjo.l,
'fhe
a-irlfuet mixLLrre
at idle
speed
is
adjusted by the
air adjusting
screw
(see
ill.
no.
28).
The idle
r.p.m. is
adjusted by the
carburetor
piston
adjust-
ment
screw
(i11.
no.
JO)"
llote
-
theae idle
adjustnents
interact, so
adjusting one may
require nlinor
adjustment of
the other.
must be
in
p.lace
for
proper
carburetion.
See
section on
speciaL operating
conditions.
r,--
"-
-,,---d be
done only afber
al1 other
iteros have
been checked,
and tllen by an
e{perlenced
two-cycle
nechanic.
A Ensure
that throttle
qabfe
and finkage
do not
sticl( and
that carb
piston
valve
can be opened fuLly
and cfosed
to
the
point
where
the
piston
adjustnent
screr no.
JO
corltrols
piston
opening
and idle Rfl'l. t{inor
adjusbments can
be
made
ab cable
adjustment screw
and lock
no. 12 and
no, 11,
Air intake filtration
and
noise reduction
devices
tse certain
that throtile
linkage is
not affected
by
engine or
airfrane novelnent.
This could
change throttle
se tt ings
.
Special
operating
conditionsr
suctl as severe clirnate
or altitude
change nay
require
different
jetting.
Contact
your
dealer.