GB
4
Fuel System
1. Special Tools
... ...............
.. 4-2
2. Parts Layout ..........................
.. 4-4
Fuel line ..............................................
..4-4
Intake Silencer • Carburetor
.. 4-6
3. Carburetor Inner Passages
.. 4-10
1) Idling Passage... .................
.. 4-10
2) Off-Idle Passage... .................
. 4-12
3) High Speed Passage ... ..........
.. 4-14
4) Choking Passage
(#2 and #3 carburetor) .........................
. 4-16
4. Inspection Items ...................
.. 4-18
1) Removing Carburetors ... .........
. 4-18
2) Disassembling Carburetors ..... 4-20
3) Cleaning and Inspection ..............
... 4-22
4) Inspection of Fuel Pump and
Needle Valve ... ................
.. 4-24
5) Disassembly and Inspection of Fuel
Pump ..............................................
.. 4-34
6) Assembly of Fuel Pump... ..........
. 4-26
7) Inspection of Fuel Connector
. 4-26
8) Inspection of Fuel Filter ... ..........
. 4-26
9) Assembling Carburetors ..............
... 4-28
10) Inspection of Float Height ...... 4-30
11) Installing Carburetors... .........
.. 4-30
4
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