TOHATSU MFS 40 User Manual

4st 40/50 2014
1) Locations of warning buzzer
and lamp (LED) …………………… 4-17
2) Warning notification, abnormality
and action to be taken …………… 4-18
x° }Ì -ÞÃÌi ………………… 4-19
1) Ignition Timing Controls ………… 4-20
2) Ignition and Combustion Orders … 4-20
3) Ignition Timing …………………… 4-20
4) Operations ………………………… 4-20
È° «iÌÃ v Õi ii` -ÞÃÌi 4-22
1) Fuel Pump (Low Pressure
Mechanical Pump) ………………… 4-22
2) Vapor Separator …………………… 4-22
3) Fuel Regulator …………………… 4-23
4) Fuel Cooler ………………………… 4-23
Ç° "ÕÌi v Õi iVÌ -ÞÃÌi
……………………………………… 4-24
1) Air Intake System ………………… 4-24
n° ëiVÌ Ìià ……………… 4-25
1)
Inspection of Fuel Supply System Piping … 4-25
2) Inspection of Filter ………………… 4-25
3) Inspection of Fuel Pump ………… 4-27
4) Inspection of Fuel Connector …… 4-27
5) Measuring fuel pressure ………… 4-28
6) Inspection of Fuel Regulator …… 4-29
7) Draining Fuel ……………………… 4-30
8) Disassembly of Vapor Separator … 4-30
9) Inspection of Vapor Separator …… 4-31
10) Reassembly of Vapor Separator … 4-32
11) Inspection of ISC (Idle Speed Control) 4-33
12) Inspection of Idle Speed ……………… 4-33
x°*ÜiÀ 1Ì
£° -«iV> /Ã ……………………… 5-2
Ó° *>ÀÌÃ >ÞÕÌ ……………………… 5-3
Engine …………………………………… 5-3
Magneto ………………………………… 5-4
Electric Parts …………………………… 5-5
Fuel system …………………………… 5-7
Vapor Separator ………………………… 5-9
Intake Manifold ………………………… 5-10
Pulley • Timing Belt …………………… 5-12
Cylinder Head & Oil Pump …………… 5-13
Cylinder • Crankcase ………………… 5-15
Piston & Crankshaft …………………… 5-16
Top Cowl ………………………………… 5-17
ΰ ëiVÌ Ìià ……………… 5-18
1) Inspection of Compression Pressure
……………………………………… 5-18
2) Inspection of Oil Pressure ……… 5-18
3) Inspection of Valve Clearance …… 5-18
4) Removing Power Unit …………… 5-18
5) Removing Timing Belt and Pulley
……………………………………… 5-22
6) Inspection of Timing Belt ………… 5-22
7) Installation of Pulley and Timing Belt
……………………………………… 5-23
8) Removing Cylinder Head ………… 5-24
9) Inspection of Valve Spring ……… 5-27
10) Inspection of Valve ………………… 5-28
11) Inspection of Valve Guide ………… 5-28
12) Inspection of Valve Seat ………… 5-29
13) Correction of Valve Seat ………… 5-30
14) Inspection of Rocker Arm and
Rocker Arm Shaft ………………… 5-32
15) Inspection of Cam Shaft ………… 5-33
16) Inspection of Cylinder Head ……… 5-34
17) Inspection of Oil Pump …………… 5-35
18) Installation of Valves ……………… 5-36
19) Installation of Cam Shaft ………… 5-37
20) Installation of Rocker Arm Shaft … 5-38
21) Installation of Oil Pump …………… 5-38
22) Installation of Cylinder Head …… 5-39
23) Disassembly of Cylinder Block … 5-40
24) Removing of Drive Pulley ………… 5-41
25) Installing of Drive Pulley ………… 5-41
26) Inspection of Piston Outer Diameter
……………………………………… 5-42
27) Inspection of Cylinder Inner Diameter
……………………………………… 5-42
28) Inspection of Piston Clearance … 5-42
29) Inspection of Piston Ring
Side Clearance …………………… 5-43
30) Inspection of Piston Rings ……… 5-43
31) Inspection of Piston Pins ………… 5-44
32) Inspection of Connecting Rod
Small End Inner Diameter ……… 5-44
33) Inspection of Connecting Rod
Big End Side Clearance ……………… 5-44
34) Inspection of Crankshaft ………… 5-45
35) Inspection of Crank Pin (rod journal)
Oil Clearance ……………………… 5-46
36) Inspection of Crank Shaft Main Journal
Oil Clearance ……………………… 5-47
37) Selecting of Cylinder/Crankcase
Metal Bearing ……………………… 5-48
38) Selecting of Connecting Rod
Metal Bearing ……………………… 5-49
39) Assembling Piston and Connecting Rod
……………………………………… 5-50
40) Installation of Power Unit ………… 5 -54
È°ÜiÀ 1Ì
£° -«iV> ÌÃ ……………………… 6-2
Ó° *>ÀÌÃ >ÞÕÌ ……………………… 6-4
Gear Case (Drive Shaft) ……………… 6-4
Gear Case (Propeller Shaft) ………… 6-6
ΰ ëiVÌ Ìià ……………… 6-7
1) Draining Gear Oil ………………… 6-7
2) Removing Propeller ……………… 6-7
3) Removing Lower Unit …………… 6-8
4) Disassembly of Cam Rod ………… 6-9
5) Inspection of Clutch Cam ………… 6-9
6) Assembly of Clutch Cam Parts … 6-10
7) Removing Water Pump …………… 6-11
8) Inspection of Water Pump ……… 6-12
9) Inspection of Water Pipe ………… 6-12
10)
Disassembly of Water Pump Case (Lower)
……………………………………… 6-13
11) Assembly of Water Pump Case (Lower)
……………………………………… 6-13
12) Removing Propeller Shaft Housing Ass’y … 6-14
13) Disassembly of Propeller Shaft Housing Ass’y
……………………………………… 6-15
14) Inspection of Propeller Shaft Housing
……………………………………… 6-16
15) Assembly of Propeller Shaft Housing
……………………………………… 6-17
16) Disassembly of Propeller Shaft Ass’y
……………………………………… 6-19
17) Inspection of Propeller Shaft Ass’y
……………………………………… 6-20
18) Assembly of Propeller Shaft Ass’y
……………………………………… 6-21
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TOHATSU MFS 40 Specifications

General

Brand	TOHATSU
Model	MFS 40
Category	Outboard Motor
Language	English