Fuel System - TOHATSU MFS 4 Service Manual

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
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Fuel System

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
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
............... 4-18
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