High Altitude Adlustment - Honda CX650C 1983 Shop Manual

FUEL SYSTEM
HIGH ALTITUDE ADlUSTMENT
When the vehicle is to be operated continuously
above
6,500
f t
(2,000
m) the carburetors must be
readjusted as described below to improve drive-
ability and decrease exhaust emissions.
These adjustments must be made a t h i g h
altitude to ensure proper high altitude opera-
- --
l . Warm up the engine to operating temperature.
Stop and go driving for 10 minutes is sufficient.
2. Turn each pilot screw clockwise 114 turn.
3. Adjust the idle speed
t o
1,100
-t
100 rpm with
the throttle stop screw.
4, Attach the Vehicle Emission Control Informa-
tion Update Label
as
shown. Refer to service
Bulletin St#l32 for information on obtaining
the label.
NOTE
Do not attach the label to any part that can
be easily removed from the vehicle.
Operation at m altimde lower than 5,000
ft
(1,500 m) with the carbuwtors adjusted for
laigh altitudes may ccrlrse the engine to idle
rotdghly and stall.
M e n the vehicle is to be operated conti-
nuotdsly below 5,000 f t (1,500 m), fzlrn each
pilot screw counter-clockwise to its original
position agairzst its stop and adiust the idle
speed to 1,100
i-
100 rpm. Re sure to do these
adjustments at low altitude.
VEHICLE EMISSION CONTROL
lNFORMAPlON UPDATE LABEL
Date of Issue: December, 1982
O
HONDA MOTOR
CO.,
LTD.