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S ERV I C E I N FO RMATIO N
T RO U BLESHOO T I N G
F U EL TAN K
A I R CLEAN ER H O U S I N G
CARB U R ETO R REM OVAL
CAR B U R ETO R D I SASS E M BL
CA R B U R ETO R ASS E M B L
CARB U R ETO R
S E PA RATIO N / ASS E M B L
SERVICE I N FORMATIO N
•
is
Gasoline
extremely flammable and is explosive under certain conditions work in a well ventilated area a with the engine stopped.
Work in a well ventilated area.
•
I f the engine must be running to do some work, make sure the area is well-ventilated. Never run the engine in an enclosed area.
The exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and lead to death.
G E N E R A L
•
Refer to Section
for carburetor synchronization, throttle cable and choke cable adjustments .
3
•
When d isassembling fuel system parts, note the locations of the 0-rings; replace them with new ones on reassembly .
•
The carburetor float chambers have d rain screws that can be loosened to drain residual gasol ine .
•
For fuel pump refer to section
•
All hoses used in the evaporative emission control system are numbered for identification . When connecti ng one of these
hoses, compare the hose number with the Vacuum Hose Routing Diagram Label on page
its routing.
•
CAUTION
Do not bend or twist control cables. Damaged control cables will not operate smoothly and may stick or bind.
N OTE
If vehicle is to be stored for more that one month , drain the float bowls. Fuel left in the float blowls will cause clogged jets
•
resulting in starting and drivability complaints .
S P E C I F I CATI O N S
Item
Type
Throttle bore
Identification No.
Float level
Main jet
Slow jet
Idle speed
Throttle grip free play
Pilot screw initial opening
4- 1
4-2
4-3
4-4
4-6
V
4-6
V
4- 1 0
V
4- 1 3
1 8 .
St. model
49
mm
34
VDFDA
mm
7 . 0
Front :
# 1 1 5,
±
#40
1 , 200
mm
2 - 6
( 1 / 8 - 1 /4
4.
CARBU R ETO R I NS TALLATIO N
PILO T S C R EW ADJ USTMENT
H I G H ALTIT U D E ADJ USTMENT
V)
( U . S . A . ONL
EVA P O R AT I V E E MI S S I O N
PU R G E CO NT RO L VALVE I N S PECTIO N
( California model only)
EVA P O R ATIVE E M I S S IO N C A R B U R ETO R
A I R VENT CO NTRO L VALVE
I NS PECTIO N ( Californ ia model only)
Constant Vacuum dual carburetor
i n )
( 1 . 4
i n )
( 0 . 2 8
Rear:
# 1 1 5
rpm
1 00
i n )
See page
4-15.
FU EL SYSTEM
4- 1 5
4- 1 5
4- 1 6
4- 1 6
4- 1 7
(California model only) . for
4- 1 6
California model
mm
i n )
34
( 1 . 4
VD FEA
mm
i n )
7 . 0
( 0 . 2 8
Front :
Rear:
# 1 1 5,
# 1 1 5
±
#40
rpm
1 , 200
1 00
mm
in)
2 - 6
( 1 /8 - 1 /4
4- 1
Ill
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Troubleshooting
