Accelerator Pump Adjustment; High Altitude Adjustment - Honda Motorcycle Service Manual

FUEL SYSTEM
ACCELERATOR PUMP ADJUSTMENT
.
Accelerator pump adjustment is not necessary unless
the adjusting screw is replaced.
Adjust the idle speed.
Adjust the throttle grip free play.
Measure the clearance between the accelerator pump rod and
pump arm.
CLEARANCE: Refer to the Model Specific manual.
If the clearance is not within specification, adjust the
clearance by carefully bending the pump arm or by turning the
adjusting screw. (Refer to the Model Specific manual.)
HIGH ALTITUDE AQJUSTMENT
(U.S.A. only)
When the vehicle is to be operated continuously above 6,500
feet (2.000 m) the carburetor must be readjusted as follows to
improve driveability and decrease exhaust emission.
Warm up the engine to operating temperature. Ten minutes of
stop and go driving is sufficient.
Turn the pilot screw clockwise to the specified opening (or
turn the air screw counterclockwise to the specified opening.)
Refer to the Model Specific manual for standard and high
altitude setting.
NOTE
This adjustment must be made at high altitude to ensure
Draper
high altitude operation.
.
. .
.
On some models the standard main jet must be replaced
with an optional, smaller high altitude jet.
Attach a Vehicle Emission Control Information Update Label in
the location specified in the label position illustration. (Refer to
the Model Specific manual for the specified position.)
NOTE
Do not attach the label to any part that can be easily
removed from the vehicle.
. .
with the carburetors adjusted for high altitudes may
cause the engine to idle roughly and the engine may stall
in traffic.
When the vehicle is t o be operated continuously below 5,000
feet (1,500 m), turn the pilot screw counterclockwise (the air
screw clockwise) to its original position and reinstall the stan-
dard main jet (as necessary), and adjust the idle speed to the
specified rpm. Remove the vehide emission control update
label.
Be sure to make these adjustments at low altitude.
~ p~
PUMP ARM
CLEARANCE
VEHICLE EMISSION CONTROL UPDATE LABEL
THIS VEHlCLI HAS BEN A D I U S T M TO
IMPROVE EMlSSlOH COHlROL P L R R R M A H C E
WHEN OPLRATEU AT H16H ALTITUDf.
Date of Issue: March, 1995
8-24
O
HONDA MOTOR CO.,LTD.