Air Screw Or Pilot Adjustment; Best Idle Procedure - Honda Motorcycle Service Manual

FUEL SYSTEM
8 . Turn the pilot screw conterclockwise the number of turns
specified in the Model Specific manual.
9. Readjust the idle speed with the throttle stop screw.
10. lnstall the new limiter cap (or plug) onto the pilot screw
head (page 8-23)
Turn pilot screw
out t o the final
opening.
AIR SCREW OR PILOT ADJUSTMENT
1
I
I
BEST IDLE PROCEDURE 1 4 stroke.
all
modelsl
NOTE
The air or pilot screw is factory pre-set. Adjustment is
not necessary unless the carburetor is overhauled or a
new air or pilot screw is installed.
CAUTION
.
Tightening the air or pilot screw against its seat will
damage the seat.
1 . Turn the air or pilot screw clockwise until
it seats lightly,
then back it out to the specification given. This is an initial
setting prior to the final air or pilot screw adjustment.
AIR OR PILOT SCREW OPENING: Refer t o the Model
Specific manual.
2. Warm up the engine to operating temperature.
Ten minutes of stop and go driving is sufficient.
3. Stop the engine and connect a tachometer.
4. Start the engine and adjust the idle speed with the throttle
stop screw.
IDLE SPEED: Refer to the Model Specific manual
5. Turn the air or pilot screw in or out slowly to obtain the
highest engine speed.
6.
Readjust the idle speed to the specified value with the throt-
tle stop screw.
7. Make sure that the engine does not miss or run erratically.
Repeat steps 5 and
6
until engine speed increases
smoothly.
8. Readjust the idle speed with the throttle stop screw.
9. Install the limiter cap (or plug) on to the air or pilot screw
head (if applicable). (page 8-23).
d
THROTTLE STOP SCREW
8-22
Date of issue: March, 1 9 9 5
0
HONDA MOTOR CO.,LTD.