Honda NHSO aeroBO 1983, Shop Manual

Page: 41 / 184

F U E L SYSTEM
AIR SCREW
REMOVAL/INSTALLATION
NOTE:
The air screw is factory pre-set and should
not be removed unless the carburetor is over­
hauled.
Break the tab of the limiter cap with pliers.
Groove the end of the limiter cap with a hacksaw
blade.
Turn the air screw in and carefully count the num­
ber of turns so it can be reinstalled in it original
position. Then remove the air screw.
CAUTION:
Damage to air screw and seat can occur if the
air screw is tightened against the seat.
Inspect the air screw and replace it
if
it is worn or
damaged.
Install the air screw and return it to its original posi­
tion as noted during removal.
Perform air screw adjustment if a new screw is in­
stalled.
Install a new limiter cap (Page 4-1 1 ) .
ADJUSTMENT
NOTE:
The air screw is factory pre-set and no adjust­
ment is necessary unless the air screw is re­
placed.
Tvrn the air screw clockwise until it seats lightly
and back it out to the specification given. This is
an initial setting prior to the final air screw adjust­
ment.
INITIAL OPENING: 1-1/2
turns out
CAUTION:
Damage to the air screw and seat w.ill occur
if
the air screw is tightened against the seat.
Warm the engine up to operating temperature.
Stop and go riding for
1 0
minutes is sufficient.
Connect a tachometer and adjust the idle speed with
the throttle stop screw.
IDLE SPEED:
1,800 ±
100 rpm
4- 1 0
44
HONDA
NHSO
Date of Issue: May,
1983
©HONDA MOTOR CO.,
L
TO.