Honda VF1000F 1985 Shop Manual page 67

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FUEL SYSTEM
SERVICE INFORMATION
TROUBLESHOOTI NG
FUEL TANK
AIR CLEANER
CARBURETOR REMOVAL
VACUUM CHAMBER
FLOAT CHAMBER
SERVICE INFORMATION
GENERAL
4·1
4·2
4·3
4·4
4·5
4·6
4·7
PILOT SCREW
CARBURETOR SEPARATION
CARBURETOR ASSEMBLY
CARBURETOR INSTALLATION
PILOT SCREW ADJUSTMENT
FUEL PUMP
4-8-
4·9
4·11
4·14
4·14
4·15
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 cylinders use down draft carburetors.
• When disassembling fuel system parts, note the locations of the O-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 carburetors use different jet needles (thinner) and shorter springs than the No.2 and No.4 carburetors.
Do not interchange these parts.
TOOLS
Common
Float level gauge 07401 - 0010000
SPECI F ICATIONS
Item
Specifications
Carburetor type
KEIHIN VD
Throttle bore
36 mm (1.42 in)
Venturi bore
Primary 12.2 mm (0.48 in)
Secondary
34 mm (1.34 in)
Identification number
G, SD, AR: VD85F
SW: VD85G
F: VD85H
Other models: VD85E
Float level
7.5 mm (0.30 in)
Main jet
#110
Idle speed
1 ,000±100 min-
1
(rpm)
Throttle grip free play 2-6 mm (0.08-0.24 in)
Pilot screw initial opening
See page 4-14
4-1