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F U E L SYSTEM
H IGH ALTITUDE ADJ USTM ENT (U.S.A. only)
When the vehicle is to be operated continuously above 2 , 000
m (6, 500 feet) the carburetors must be readjusted as follows
to improve driveability and decrease exhaust emissions.
Remove each pilot screw plug ( page 4-8) .
Warm up the engine to operating temperature . Stop and go
d riving for 1 0 minutes is sufficient.
Turn each pilot screw to the specification below .
H I G H ALTITU D E S ETTI N G :
Adjust the idle speed to 1 , 2 00 ± 1 00 rpm , with the th rottle
stop screw .
Drive new pilot screw plugs i nto the pilot screw bores ( page 4-
1 5) .
NOTE
This adjustment must be made at high altitude to ensure
•
proper high altitude operation .
Attach a Vehicle Emission Control I nformation u p date label
o nto the inside of the left side cover as shown.See S L# 1 3 2 for
information on o btaining the label.
NOTE
Do not attach the label to any part that can be easily re
•
moved from the vehicle.
Sustained operation at an altitude lower than 1, 500 m
•
000
(5,
f eet) with the carburetors ad justed f or high alti
tude may cause the engine to idle roughly and engine
may stall in traffic and may cause engine damage due to
overheating.
When the vehicle is to be operated continuously below
1 , 500m (5 , 000 feet), turn each pilot screw to the specificatio n
below, its o riginal position .
LOW A LTITU D E S ETTI N G :
Adjust the idle speed to 1 , 2 00 ± 1 00 rpm with the th rottle
stop screw .
D rive new pilot screw plugs into the pilot screw bores ( page 4
- 1 5 ) .
Be sure to make these adjustments at low altitude . Remove
the Vehicle Emission Control U pdate Label that attached to
the inside of the left side cover after adjusti ng for the low
altitude .
EVAPORATIVE E M ISSION
P U RG E CONTROL VALVE INSPECTION
(Ca l iforn ia mod e l o n l y)
NOTE
The evaporative em1ss1o n p u rge control valve should be
•
inspected if hot restart is d ifficult.
Check all fuel tan k, Evaporative Emission Purge Control Valve
( EVAP P U R G E CONTROL VALVE),and evaporative emission
canister hoses to be su re they a re not kin ked and a re secu rely
connected. Replace any hose that shows signs of damage or
d eterioration.
NOTE
· The EVAP PU R G E CONTROL VALVE is located u nder the
fuel tan k.
4- 1 6
1/2
Turns in
1/2
turn out
I N FOR MATI O N UP DATE LAB E L
VEHICLE EMISSION CONTROL INFORMATION UPDATE
•
HONDA MOTOR CO., LTD
THIS VEHICLE HAS BEEN ADJUSTED TO
IMPROVE EMISSION CONTROL PERFORMANCE
WHEN OPERATED AT HIGH ALmUDE.
ALmuDE PERFORMANCE ADJUSTMENT INSTRUCTIONS
ARE AVAILABLE AT YOUR AUTHORIZED HONDA DEALER.
VACUUM HOSE ROUTI NG DIAGRAM
ENGI NE FAMI LY- ';:;-;-;-;
CAL l FORNIA VEHI C L E
"'
..:
z
"-
0
w
E V A P C A N I S T E R
M Z S - 9 3 0
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Troubleshooting
