Float/Jets - Honda Motorcycle Service Manual

FUEL SYSTEM
FLOATIJETS
Remove the float chamber.
Remove the float pin, float and float valve.
Check the float for damage. If it is a hollow float type, also
check
it
for deformation and fuel in the float.
Check the float valve and valve seat for scores, scratches,
clogging and damage. Replace if necessary.
Check the tip of the float valve, where it contacts the valve
seat, for stepped wear or contamination. Replace the float
valve if its tip is worn or contaminated. A worn or con-
taminated valve does not seat properly and will eventually
flood the carburetor.
Remove the valve seat, if it can be removed. (Refer to the
Model Specific manual.)
Replace the sealing washer.
Remove the main jet, needle jet holder, needle jet and slow jet.
NOTE
TIP OF THE
FLOAT VALVE
Check the filter for damage or clogging. Blow the filter with
Not all carburetors have a removable needle jet and slow
jet. (Refer to the Model Specific manual.)
Turn
in
the pilot lor air) screw and record the number of turns it
takes before it seats lightly.
NOTE
I
I
FILTER
SEAT
Do not force the screw against its seat; the seat will be
damaged.
Motorcycles with emission control system: Refer to
oaae 8-18 for ~ i l o t (or air1 screw removal.
low pressure air and clean
it.
Clean the jets with cleaning solvent and, if necessary, blow
open with compressed air.
If the motorcycle is equipped with an accelerator pump, blow
open the fuel passages in the float chamber with low pressure
air.
THROTTLE
PILOT SCREW
Date of Issue: Sep., 1988
o
HONDA MOTOR
co.,
LTD.
8-1 3