Honda V65 Magna-VF1100C 1983 Shop Manual page 59

4.
FUEL SYSTEM
SERVICE INFORMATION
TROUBLESHOOTING
CARBURETOR REMOVAL
VACUUM CHAMBER
FLOAT CHAMBER
PILOT SCREW
CARBURETOR SEPARATION
CARBURETOR ASSEMBLY
CARBURETOR INSTALLATION
SERVICE INFORMATION
GENERA L
4 - 1
4-2
4-3
4-5
4-6
4-8
4 - 10
4 - 12
4- 16
PILOT SCREW ADJUSTMENT
4-16
FUEL TANK
4-17
AUXILIARY FUEL TANK
4-17
AIR CLEANER
4- 18
FUEL PUMP
4-18
HIGH ALTITUDE ADJUSTMENT
4-19
(USA only)
EVAPORATIVE EMISSION CONTROL
4 -20
SYSTEM (California model only)
AIR VENT CONTROL VALVE 4-21
Gasoline is extremely flammable and is explosive under certain conditions. Work in a well ventilated area. Do not smoke
or allow flames or sparks in the work area.
• The front cyl inders use down draft carburetors.
• When disassembling fuel system parts, note the locations of the 0-rings. Replace them with new ones on reassembly.
• The float bowls have drain screws that can be loosened to drain residual gasoline.
• Fuel pump inspection is in section 21.
• The No. 1 and No.3 carbu retors use different jet needles (thinner) and shorter springs than the No. 2 and No. 4 carburetors.
Do not interchange these parts.
'85:
• Refer to the label on the air cleaner cover below the fuel tank for the hose connections of the evaporative emission control
system (California model only).
After '85:
• All hoses used in the evaporative emission control system are numbered for identification. When connecting one of these
hoses, compare the hose number with the Vacuum Hose Routing Diagram Label , page 1-19 (California model only). for its
correct routing and connection.
TOOLS
Special
Valve guide driver, 7 mm
Vacuum pump
Pressure pump
Common
Float gauge
SPECIFICATIONS
Venturi dia.
Identification No.
Float level
Main jet
Idle speed
Throttle grip free play
Pilot screw initial opening
07942-8230000 (U.S.A. only)
ST - AH-260- MC7 (U.S.A. only)
ST - AH-255-MC7 (U.S.A . only)
07401-0010000
'83
'84, '85
Primary 12.0 mm (0.48 in)
~
Secondary 33.2 mm (1.31 in)
~
VD70A VD70C (California : VD76A)
6.0 mm (0.24 in)
7.5 mm (0.29 in)
Front # 140
#11 8
Rear # 140
#1 20
1,000 ± 100 rpm
~
2- 6 mm (0.08- 0.24 in)
~
See page 4-1 6
~
After '85
-
.....
~
-
VD79A
8.0 mm (0.31 in)
#1 15
# 1 18
~
~
-
~
4-1
Ill