Emission Control - Honda NHSO aeroBO 1983 Shop Manual

HONDA
NHSO
Turn the air screw in or out to
engine speed.
R adju the 1 ,800
e st idle speed to
throttle
the stop screw.
LIMITER CAP I N STALLATION
If
the air screw has been removed,
u be
st
m installed after air screw
pleted.
adjustment, the
After cement
LOCTITE
®
air screw, using
placed
The limiter cap should be
preventing further adjustment t
fuel mixture (limiter cap position permits counter­
clockwise rotation and prevents clockwise rotation).
NOTE:
must
An air screw limiter cap
prevents misadjustment that could cause poor
performance and increase emissions.
HIGH ALTITUDE ADJUSTMENT
For
n
sustained high altitude operation (above
m/6,500 ftl a #82
i st ll a main jet and
speed.
Remove the carburetor from the engine and remove
the float chamber.
Replace the standard
main jet with
#82 jet.
main
the carburetor.
Assemble and install
Adjust idle speed 1 ,800
±
to
throttle stop screw.
CAUTION:
1,500 ( 5,000
Sustained operation at altitudes lower than
m ft} with the high altitude
main jet installed may cause engine overheat-
1,500 (5,000
ing and damage.
For sustained operation
below m ft}, reinstall the stand-
ard main jet and readjust idle speed.
Standard
)
2,000
m
(6,500 f
t max.
jet #88
Main
1 ,800 100
Idle speed
± rpm
Air screw
initial Factory pre-set
opening
the vehicle
Attach Emission Control Information
Label
Update as shown.
NOTE:
Do not attach the label to any part that can
be
easily removed from the vehicle.
1983
Date of Issue: May,
© HONDA MOTOR CO., L TO.
obtain
the highest
100
± rpm, using
a
m
new limiter cap
a j e is
d ust nt com·
limiter cap over the
#601
or equivalent.
its
against stop,
hat
would enrich the
It
be installed.
2,000
r ju
ead st idle
the high
altitude
100
rpm, using the
High
altitude
1,500
type m
(5,000 ft)
min.
#8 2
45
LIMITER CAP

EMISSION CONTROL

V E H I CLE
INFORMATION UPDATE LABEL
FUEL SYSTEM
4 - 1 1