TOHATSU MFS 8B Service Manual page 7

1) Fire Prevention .......................................... 1-2
2) Ventilation ................................................ 1-2
3) Protection ................................................ 1-2
4) Genuine Parts ............................................. 1-2
5) Tools ......................................................... 1-3
6) Recommendations on Service ........................ 1-3
7) Cautions in Disassembling and
Assembling Components .............................. 1-4
1) Test Propeller ............................................. 1-5
2) Measuring Instruments ................................. 1-5
3) Special Tools ............................................. 1-6
1) Steering & Throttle ....................................... 1-8
2) Gear Shift ................................................ 1-8
3) Engine Oil ................................................ 1-8
4) Gear Oil ................................................... 1-9
5) Fuel Line ................................................... 1-9
6) Rigging ...................................................... 1-9
7) Manual Tilt ................................................ 1-9
8) Inspection of PT unit .................................... 1-9
9) Inspection of Starting Switch and
Stop Switch ................................................ 1-10
10) Cooling Water Check Port ........................... 1-11
11) Idling ......................................................... 1-11
12) Propeller Selection ....................................... 1-11
13) Trim Tab ................................................... 1-12
1) Engine Outer Dimensions .............................. 2-2
2) Transom Bolts ............................................. 2-4
1) Inspection of Top Cowl ................................. 3-4
2) Fuel System ............................................. 3-4
3) Inspection of Fuel Tank ................................. 3-5
4) Inspection of Fuel Filter ................................. 3-5
5) Replacement of Engine Oil ........................... 3-6
6) Inspection of Gear Oil Quantity ..................... 3-7
7) Inspection of Water Pump ........................... 3-7
8) Replacement of Gear Oil .............................. 3-9
9) Inspection of Gear Case (for leakage) ............... 3-10
10) Inspection of Timing Belt .............................. 3-11
11) Replacement of Timing Belt ........................... 3-11
12) Inspection of Spark Plugs .............................. 3-16
4st 8/9.8 2016
13) Inspection of Compression Pressure ............... 3-17
14) Inspection and Adjustment of Valve
1-2
Clearance ................................................ 3-18
1-2
15) Throttle Cable For F type .............................. 3-20
16) Inspection of Gear Shift Operation .................. 3-26
17) Inspection of Idle Engine Speed ..................... 3-27
18) Inspection of Ignition Timing ........................... 3-28
19) Inspection of Anode .................................... 3-28
20) Replacement of Anode ................................. 3-28
21) Inspection of Propeller ................................. 3-29
22) Inspection of Thermostat .............................. 3-29
1-5
23) Inspection of Cooling Water Passage ............... 3-30
24) Flushing with Water .................................... 3-30
25) Inspection of Battery .................................... 3-31
26) Greasing Points .......................................... 3-32
1-8
Intake Manifold & Fuel Pump ........................ 4-3
Carburetor ................................................ 4-4
1) Idling Passage .......................................... 4-6
2) Off-Idle Passage .......................................... 4-7
3) High Speed Passage .................................... 4-8
4) Choking Passage ....................................... 4-9
1) Inspection of Choke Solenoid
(some models only) .................................... 4-10
2) Removing Carburetor ................................. 4-10
1-13
Remote Control Model ................................. 4-10
1-13
Tiller Handle Model .................................... 4-11
1-14
3) Disassembling Carburetor ........................... 4-13
4) Cleaning and Inspection .............................. 4-14
5) Disassembly and Inspection of Fuel Pump ............... 4-15
2-2
6) Assembly of Fuel Pump .............................. 4-16
7) Inspection of Fuel Connector ........................ 4-17
8) Inspection of Fuel Filter
2-6
9) Assembling Carburetor
2-7
10) Adjusting Float Height ................................. 4-19
2-8
11) Installing Carburetor .................................... 4-19
2-12
2-20
2-22
Engine ............................................................ 5-3
3-2
Magneto • Electric Parts .................................... 5-5
3-3
Intake Manifold & Fuel Pump .............................. 5-6
3-4
Pully & Timing Belt ............................................. 5-7
Cylinder Head &Oil Pump ................................. 5-8
Cylinder & Crank Case ....................................... 5-10
Piston & Crankshaft .......................................... 5-11
Recoil Starter ................................................... 5-12
Top Cowl ......................................................... 5-13
1) Inspection of Compression Pressure ............... 5-14
2) Inspection of Oil Pressure .............................. 5-15
3) Inspection of Valve Clearance ........................ 5-15
4) Removing Power Unit ................................. 5-17
5) Removing Plunger and Oil Strainer .................. 5-19
For P type .............................. 3-22
.............................. 4-17
.............................. 4-18
4-2
4-3
4-6
4-10
5-2
5-3
5-14
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