TOHATSU MFS25 Service Manual page 7

19) Assembly of Cam Rod and Clutch Cam ... 6-16
20) Removing Drive Shaft ........................... 6-16
21) Disassembly of Drive Shaft .................. 6-16
22) Inspection of Drive Shaft........................ 6-17
23) Disassembly of Forward Gear (A Gear) ... 6-17
24) Inspection of Pinion Gear (B Gear)and Forward Gear (A Gear)... 6-17
25) Assembly of Forward Gear (A Gear) ...... 6-17
26) Assembly of Drive Shaft ........................ 6-18
27) Disassembly of Gear Case..................... 6-18
28) Inspection of Gear Case ........................ 6-19
29) Assembly of Lower Unit ........................ 6-19
30) Installation of Pinion Gear (B Gear) ......... 6-20
31) Settling Pinion Gear (B Gear) Height ...... 6-21
32) Settling Forward Gear (A Gear) Backlash ... 6-24
33) Reassembly of Pinion Gear Nut (B Gear Nut)... 6-27
34) Assembly of Propeller Shaft Housing ...... 6-27
35) Reassembly of Pump Case (Lower) ......... 6-28
36) Assembly of Water Pump ..................... 6-28
37) Installation of Lower Unit........................ 6-30
7.Bracket
1 Special Tools
2 PTT Wiring and Layout Diagram
3 Parts Layout
Drive Shaft Housing .................................... 7-4
Swivel Bracket (Mechanical Tilt) ..................... 7-5
Clamp Bracket & Reverse Lock ..................... 7-6
Bracket, PTT & Gas Assistant........................ 7-7
Power Trim & Tilt ....................................... 7-9
Tiller Handle ............................................. 7-10
Bottom Cowl ............................................. 7-11
Shift ...................................................... 7-12
4 Inspection Items
1) Inspection of Throttle Cable ..................... 7-14
2) Installation of Tiller Handle........................ 7-14
3) Adjustment of Co-pilot Plate ..................... 7-15
4) Removing Drive Shaft Housing .................. 7-16
5) Pulling Out Upper Mount ........................ 7-17
6) Disassembly of Drive Shaft Housing ......... 7-17
7) Inspection of Oil Strainer ........................ 7-18
8) Assembly of Drive Shaft Housing ............... 7-18
9) Installation of Drive Shaft Housing Ass'y ...... 7-19
10) Removing Steering Shaft ........................ 7-20
11) Installing Steering Shaft ........................... 7-20
12) Removing Clamp Bracket (PTT or Gas Assistant Model) ... 7-21
13) Removing Clamp Bracket (Mechanical Tilt Model) ... 7-21
14) Installation of Clamp Bracket (PTT or Gas Assistant Model)... 7-22
15) Installation of Clamp Bracket (Mechanical Tilt Model) ... 7-23
25/30 2006
.................................... 7-2
...... 7-3
....................................... 7-4
.............................. 7-14
16) Removing PTT Unit/Gas Shock Absorber ... 7-24
17) Removing PTT Motor ........................ 7-25
18) Removing PTT Pump and Valves ......... 7-25
19) Inspection of PTT Pump and Valves ...... 7-25
20) Removing Tilt Cylinder ........................ 7-26
21) Inspection of Tilt Cylinder ..................... 7-26
22) Inspection of Valve ........................... 7-27
23) Installation of PTT Pump and Motor ...... 7-27
24) Assembly of Tilt Cylinder ..................... 7-28
25) Air-Purging PTT Unit (separated from outboard motor) ... 7-30
26) Installation of PTT Unit/Gas Shock Absorber ... 7-32
27) Air-Purging PTT Unit (installed on the outboard motor) ... 7-33
28) Inspection of PTT Solenoid .................. 7-34
29) Inspection of PTT Switch ..................... 7-35
8.Electrical System
1 Special Tools
.............................. 8-2
2 Electrical Component Layout
Port Side View .................................... 8-3
Bow Side View .................................... 8-4
Starboard Side View ........................... 8-5
Top View .......................................... 8-6
Tiller Handle Model .............................. 8-7
3 Parts Layout
................................. 8-8
Magneto & ECU ................................. 8-8
Electric Parts....................................... 8-9
Starter Motor ....................................... 8-11
Fuel Pump, Fuel Rail, Vapor Separator ... 8-12
Ignition System, Ignition Control System
4
1) Inspection of Ignition Sparks ............ 8-14
2) Inspection of Plug Cap ..................... 8-14
3) Inspection of Ignition Coils ............... 8-15
4) Inspection of Alternator ..................... 8-15
5) Inspection of Pulser Coil .................. 8-16
6) Inspection of Oil Pressure Switch ...... 8-16
7) Inspection of Water Temperature Sensor ... 8-17
8) Inspection of Neutral Switch (Tiller Handle Model)... 8-17
9) Inspection of Start Switch (Tiller Handle Model) ... 8-17
10) Inspection of Stop Switch .................. 8-18
5 Fuel Control System
1) Inspection of Injectors ..................... 8-19
2) Inspection of ISC Valve ..................... 8-19
3) Inspection of MAT (Manifold Temperature) Sensor ... 8-20
4) Inspection of Fuel Feed Pump (FFP) ... 8-20
5) Inspection of Throttle Position Sensor ... 8-20
6 Starting System
........................... 8-21
1) Inspection of Fuse ........................... 8-21
... 8-3
... 8-14
.................. 8-19
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