Fuel System - Honda CB250N Shop Manual

5.
Fuel
System
Service Information
5-1
Carburetor
Disassembly/Assembly
5-4
Troubleshooting
5-2
Air
Cleaner
Case
Removal/installation
5-6
Carburetor Removal/Installation
5-3
Pilot
Screw
Adjustment
5-7
Service Information
14
WARNING
Gasoline
is
extremely
flammable and
is
explosive under
certain conditions.
Bending
or twisting
the
control
cables
will
impair
smooth
operation
and could cause the cables to stick or bind, resulting
in loss
of vehicle control.
•
Work
in
a
well ventilated
area.
Smoking
or
allowing flames
or
sparks
in
the
work
area
or
where
gasoline
is
stored
can
cause-
a
fire
or
explosion.
CAUTION
Be
sure to
remove
the
diaphragms
before cleaning
air
and
fuel
passages with
compressed
air.
The
diaphragms might be
damaged.
•
Refer
to section
2
for fuel
tank removal
and
installation.
•
When
disassembling
fuel
system
parts,
note the locations of the O-rings. Replace
them
with
new
ones on reassembly.
•
Before
removing
the carburetor, place
an approved
gasoline container under the carburetor drain tube, loosen the drain
bolt
and
drain
the
carburetor.
After
removing
the carburetor,
wrap
the intake port
of the engine with a
shop towel
or
cover
it
with pieces
of
tape
to
pre-
vent any foreign material
from
dropping
into
the engine.
NOTE
If
the
vehicle
is
to
be stored
for
more
than
one
month,
drain the
float
bowl.
Fuel
left in
the
float
bowl
may
cause clogged
jets resulting
in
hard
starting or
poor
driveabiitty.
R-1