Tohatsu MFS 8 S [18/84] Engine

Содержание

• Top page 1
• Chapter 1 specifications 2
• Chapter 2 service data and tools 2
• Chapter 3 inspection and maintenance 2
• Chapter 4 power unit 2
• Contents 2
• Chapter 5 lower unit 3
• Chapter 6 recoil starter 3
• Chapter 7 carburetor and fuel pump 3
• Chapter 8 oil pump 3
• Chapter 9 electrical system 3
• Chapter 9 test run and inspection 3
• Contents 3
• Chapter 1 specifications 4
• Dimensions 4
• Engine 4
• Item model or 4
• Performance 4
• Specifications 4
• Type 8a 9 a 4
• Chapter 1 specifications 5
• Item model or 5
• Lower unit 5
• Specifications 5
• Type 8a 9 a 5
• Warning systems 5
• Chapter 1 specifications 6
• Dimensions 6
• Chapter 2 service data and tools 7
• Service data and maintenance standards 7
• Chapter 2 service data and tools 8
• Chapter 2 service data and tools 9
• Chapter 2 service data and tools 10
• Chapter 2 service data and tools 11
• Chapter 2 service data and tools 12
• Chapter 2 service data and tools 13
• Chapter 2 service data and tools 14
• Chapter 2 service data and tools 15
• Table of points to apply sealants adhesives and lubricants 15
• Chapter 2 service data and tools 16
• Chapter 2 service data and tools 17
• Chapter 2 service data and tools 18
• Description bolt or nut thread 18
• Engine 18
• Lower unit 18
• N m kg m lb ft 18
• Standard torque 18
• Table of tightening torque 18
• Tightening torque 18
• 1 general tools 19
• Chapter 2 service data and tools 19
• Disassembly and repair 19
• Tools and instruments required for 19
• Tools and instruments required for disassembly and repair 19
• Chapter 2 service data and tools 20
• Chapter 2 service data and tools 21
• How to use special tools 21
• Chapter 2 service data and tools 22
• Chapter 2 service data and tools 23
• Drive shaft bearing tool 3b2 72256 0 23
• Backlash measuring tool 24
• Chapter 2 service data and tools 24
• Chapter 3 inspection and maintenance 25
• O o o o 25
• Periodical inspections 25
• Troubleshooting 26
• Change of engine oil 27
• Chapter 3 inspection and maintenance 27
• Method to change engine oil 27
• Chapter 3 inspection and maintenance 28
• Inspection of fuel system 28
• A caution 29
• Chapter 3 inspection and maintenance 29
• Compression test 29
• Chapter 3 inspection and maintenance 30
• Chapter 3 inspection and maintenance 31
• Inspection of timing belt 31
• Change of gear oil 32
• Chapter 3 inspection and maintenance 32
• A caution 33
• Chapter 3 inspection and maintenance 33
• Flushing cleaning 33
• Chapter 3 inspection and maintenance 34
• Inspection of cooling system 34
• Chapter 4 power unit 35
• General notes on service 35
• Chapter 4 power unit 36
• Removing parts 36
• Removing power unit 36
• Removing power unit removing parts 36
• Chapter 4 power unit 37
• Chapter 4 power unit 38
• Disassembling engine 38
• Chapter 4 power unit 39
• Chapter 4 power unit 40
• Chapter 4 power unit 41
• Chapter 4 power unit 42
• Engine parts 42
• Inspection and measurement of 42
• Inspection and measurement of engine parts 42
• Chapter 4 power unit 43
• Chapter 4 power unit 44
• Chapter 4 power unit 45
• Chapter 4 power unit 46
• Chapter 4 power unit 47
• Chapter 4 power unit 48
• Chapter 4 power unit 49
• Chapter 4 power unit 50
• Repair and replacement of engine 50
• Repair and replacement of engine parts 50
• Chapter 4 power unit 51
• Reassembling engine 51
• Chapter 4 power unit 52
• Chapter 4 power unit 53
• Chapter 4 power unit 54
• Chapter 4 power unit 55
• Chapter 4 power unit 57
• Chapter 4 power unit 58
• Chapter 4 power unit 59
• Chapter 4 power unit 60
• Chapter 5 lower unit 61
• Disassembly of gear case 61
• Chapters lower unit 63
• Disassembly of propeller shaft and clutch 63
• Disassembly of water pump case 63
• Chapter 5 lower unit 64
• Removal of cam rod drive shaft and bevel gear 64
• Chapters lower unit 65
• Chapters lower unit 66
• Gear case assembly 66
• Installation of bevel gear and driveshaft 66
• Installation of clutch cam and cam rod 66
• Assembly of water pump case 67
• Chapters lower unit 67
• Assembly of propeller shaft and clutch 68
• Chapters lower unit 68
• Chapter 5 lower unit 69
• Installation of gear case 69
• Standards for oil seals and o rings for gear case 69
• Chapter 6 recoil starter 71
• Chapters recoil starter 71
• Recoil starter starter lock 71
• Chapters recoil starter 72
• Disassembling 72
• Reassembling 72
• Chapters recoil starter 73
• Inspection 73
• A caution 74
• Carburetor 74
• Chapter 7 carburetor and fuel pump 74
• A caution 75
• Chapter 7 carburetor and fuel pump 75
• Fuel pump 75
• Chapter 8 oil pump 76
• Component parts 76
• Br w brown with white tracer 77
• Chapter 9 electrical system 77
• Ef type 77
• Lg b r r w w r 77
• Lg____lg 77
• Mf type 77
• Note including optional parts in the diagram 77
• Or orange 77
• Rec reg 77
• Red with white tracer white with red tracer 77
• Tracer 77
• W r v r 77
• W r w r 77
• White yellow light green black with red 77
• White yellow light green black with red tracer red with white tracer white with red tracer 77
• Wire caldr 77
• Wiring diagram 77
• В black l blue bt brown g green grange 77
• В black lue rown reen 77
• Chapter 9 electrical system 78
• Ep type 78
• Inspection 78
• After the tester pointer shakes once 79
• Before measuring the item marked with con make a shortcircuit between the ignition terminal and earth terminal 79
• Chapter 9 electrical system 79
• Condition of the above measurement hioki 3030 tester was used with the measurement range of 1 kq 79
• Oo marked with con indicates a minute value because the tester pointer shakes a little for this item 79
• Since the value marked with con is the capacitor characteristic the tester reads a stable value shown in parentheses 79
• Tester s negative terminals 79
• Tester s positive terminals 79
• The values shown in the above table are just standards and it is impossible to check each value accurately 79
• Tolerance of resistance 20 79
• Chapter 9 electrical system 80
• Chapter 9 electrical system 81
• Ep type cable harness wiring diagram 81
• Ф c d unit 2 rectifier fuse cord chock solenoid starter solenoid stop switch 81
• Chapter 10 test run and inspection 82
• Inspection 82
• Test tank and test propeller 82
• Additional tightening after test run 83
• Break in 83
• Break in period 10 hours 83
• Chapter 10 test run and inspection 83
• Check the tightening condition of respective bolts and nuts after test run and additionally tighten them with the 83
• Cooling water and or oil leak from parts joined spots of the engine 83
• Cooling water discharge condition cooling water must vigorously be discharged from the water inspection 83
• Engine speed at acceleration and deceleration 83
• Extraordinary noise 83
• Fuel leak from parts joined spots of the engine 83
• Idle speed and stable idling 83
• Inlet exhaust valve etc is replaced perform a break in of the engine for fitting the sliding surfaces 83
• Items to be checked during test run 83
• Note perform a break in of the engine according to the following standards 83
• Off the lamp goes out as the engine starts 83
• On off operation of the engine oil warning lamp 83
• On the lamp goes on when the lead wire of the oil pressure switch is grounded to the body 83
• Operation of the clutch 83
• Operation of the stop switch 83
• Specified tightening torque 83
• When any of the piston piston ring piston pin crank shaft connecting rod cylinder cam shaft rocker arm 83
• While idling the engine check the following items 83
• Back cover 84
• Tomatsu corporation 84

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CHAPTER 2 SERVICE DATA AND TOOLS 3 Table of tightening torque Tightening Torq ue Thread size N m kg m lb ft Bolt 8 50 M8X1 25 28 30 2 8 3 0 20 22 Bolt 6 25 M6X1 0 8 10 0 8 1 0 6 7 Bolt 8 50 M8X1 25 23 25 2 3 2 5 17 18 M12X1 25 15 20 1 5 2 0 11 14 Connecting rod Bolt M7X1 0 11 13 1 1 1 3 8 9 4 Tappet lock nut Nut M6X0 75 6 8 0 6 0 8 5 6 Flywheel cup Nut M12X1 25 50 60 5 6 36 43 Drive Timing pulley Nut M22X1 0 50 5 0 36 Driven Cam shaft pulley Bolt M6X1 0 10 12 1 0 1 2 7 9 Oil pressure switch PT 1 8 7 10 0 7 1 0 5 7 Oil pump M6X1 0 8 10 0 8 1 0 6 7 Plunger M16X1 5 18 22 1 8 2 2 13 16 Bolt 8 35 M8X1 25 23 25 2 3 2 5 17 18 M16X1 5 3 4 0 3 0 4 2 3 Description Bolt or Nut Cylinder head Cylinder Cylinder Crank case Spark plug Engine Engine assembly Neutral switch Stop switch M16X1 5 2 2 5 0 2 0 25 1 2 Main switch M12X1 5 3 3 5 0 3 0 35 2 3 Gear case Bolt M6X1 0 8 10 0 8 1 0 6 7 Propeller shaft housing Bolt M6X1 0 8 10 0 8 1 0 6 7 Oil drain bolt Bolt M14X1 5 24 24 17 Exhaust plug PT 1 8 5 0 5 4 Stern bracket bolt Nylon nut M8X1 25 12 15 1 2 1 5 9 11 Steering shaft Stud bolt M8X1 25 13 1 3 9 Nut M8X1 25 30 3 1 22 M4 M4X0 7 1 2 0 1 0 2 0 7 1 4 M5 M5X0 8 3 4 0 3 0 4 2 2 2 9 M6 M6X1 0 5 6 0 5 0 6 3 6 4 3 M8 M8X1 25 11 15 1 1 1 5 8 11 M10 M10X1 25 23 30 2 3 3 1 17 22 Lower Unit Upper mount rubber Standard torque 15