SERVICE I N FORMATION
TROUBLESHOOTING
4-1
4-1
4.
FUEL SYSTEM
F LOAT LEVEL I NSPECTION
4-7
CARBURETOR INSTALLATION
4-7
THROTTLE VALVE DISASSEMBLY
4-2
THROTTLE VALVE
INSTALLATION
4-9
CARBURETOR REMOVAL
4-3
A I R SCREW
4-10
FLOAT/FLOAT VALVE/JETS
DISASSEMBLY
4-5
HIGH ALTITUDE ADJUSTMENT
4-11
JETS/FLOAT VALVE/FLOAT
R E E D VALVE
4-12
ASSEMBLY
4-6
AUTO F U E L VALVE
4-13
SERVICE INFORMATION
G E N E R A L
Gasoline is extremely flammable and
i
s
explosive under certain conditions. Work ill a well ventilated area. Do not smoke
or olio w flames or sparks ill the work area.
•
The fuel tank is equipped with an auto fuel valve that is turned OFF automatically when the engine is stopped.
•
Use caution when working with gasoline. Always work in
a
well-ventilated area and away from sparks or flames.
•
When disassembling fuel system parts. note the locations
of
the 0-rings. Replace them with new ones during assembly.
•
Bleed air from the oil outlet line whenever it is disconnected.
TOOLS
Special
Hand vacuum pump
Common
F I oat level gauge
SPE C I F I CATIONS
Venturi dia.
Identification number
Float level
Air screw opening
Idle speed
Throttle grip free play
Main jet
TROUBLESHOOTING
Engine cranks
but
won't start
1. No fuel in tank
2. Fuel not reaching carburetor
3. Too much fuel getting to cylinder
4. Clogged air cleaner
Rich mixture
1. Faulty float valve
2. Float level too high
3. Carburetor jets clogged
Date of Issue: May, 1983
© HONDA MOTOR CO., LTD.
ST·AH-260-MC7 ( U.S.A. only)
07401-001 0000
1 6 mm (0.63 in)
PB54D
8.5 mm (0.335 in)
See page 4-1 0
1,800
±
100 rpm
2-6 mm (1/8-1/4 in)
#88
Engine idles roughly, stalls or runs poorly
1. Idle speed incorrect
2. No spark at plug
Lean mixture
1. Carburetor fuel jets clogged
2. Fuel cap vent clogged
3. Loss of compression
4. Rich mixture
3. Clogged fuel filter
4. Fuel line kinked or restricted
5. Lean mixture
·
5. Faulty float valve
6. Clogged air cleaner
6. Float level too low
7. Intake pipe leaking
7. Clogged air vent tube
8. Fuel contaminated
8. Clogged fuel strainer
35
4 - 1
Содержание NHSO aeroBO 1983
Страница 1: ...D SHOP MANUAL NHSOaeroBO...
Страница 31: ...FUEL SYSTEM FUEL TANK FUEL TUBE 4 0 FUEL STRAINER VACUUM TUBE 34 Date of Issue May 1983 HONDA MOTOR CO LTO 1...
Страница 61: ...ALTERNATOR 7 0 66 HONDA NH80 Date of Issue May 1983 HONDA MOTOR CO LTO...
Страница 90: ...FINAL REDUCTION 9 0 96 HONDA NHSO Date of Issue May 1983 HONDA MOTOR CO LTO...
Страница 98: ...CRANKCASE CRANKSHAFT 1 0 0 104 HONDA NH80 Date of Issue May 1983 HONDA MOTOR CO LTD...
Страница 106: ...FRAME COVERS 1 1 0 1 1 2 HONDA NH80 Date of Issue May 1983 HONDA MOTOR CO LTD...
Страница 143: ...FUEL TANK OI L TANK 1 4 0 154 HONDA NH80 Date of Issue May 1983 HONDA MOTOR CO LTD...