4
4
Fuel System
1. Special Tools ……………………………… 4-2
2. Parts Layout ……………………………… 4-4
Carburetor & Fuel Pump……………………… 4-4
Integral Fuel Tank …………………………… 4-6
3. Carburetor Inner Passages …………… 4-8
1) Idling Passage …………………………… 4-8
2) Off-Idle Passage ………………………… 4-9
3) High Speed Passage …………………… 4-10
4) Choking Passage ……………………… 4-11
4. Inspection Items ………………………… 4-12
1)
Inspection of Fuel Feed System Piping
… 4-12
2) Draining Fuel …………………………… 4-12
3) Inspection of Fuel Tank and Fuel
Tank Cap ………………………………… 4-13
4) Inspection of Fuel Cock ………………… 4-13
5) Inspection of Fuel Filter ………………… 4-13
6) Removing Carburetor ………………… 4-14
7) Disassembling Carburetor……………… 4-16
8) Inspection and clean of Carburetor …… 4-17
9) Inspection of Fuel Connector ………… 4-18
10) Assembling of Carburetor …………… 4-18
11) Adjustment of Float Height …………… 4-19
12) Installing Carburetor …………………… 4-19
13) Removing Fuel Pump ………………… 4-20
14) Disassembly and Inspection of
Fuel Pump ……………………………… 4-20
15) Assembly of Fuel Pump………………… 4-21
MFS4-5-6Ech04110422.qxd 11.4.22 5:48 PM ページ1
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