Tohatsu MFS 30 [117/319] Parts layou

Tohatsu MFS 30 [117/319] Parts layou
5
5
Power Unit
1 Special Tools……………………………… 5-2
2 Parts Layout ……………………………… 5-3
Engine …………………………………………… 5-3
Recoil Starter …………………………………… 5-4
Magneto & ECU ………………………………… 5-5
Electric Parts …………………………………… 5-6
Fuel Pump, Fuel Rail, Vapor Separator ……… 5-8
Intake Manifold ………………………………… 5-11
Cam Shaft & Oil Pump ………………………… 5-12
Cylinder Head…………………………………… 5-13
Intake Valve & Exhaust Valve ………………… 5-14
Cylinder ………………………………………… 5-15
Piston & Crankshaft …………………………… 5-16
Top Cowl ………………………………………… 5-17
3Inspection Items ……………………… 5-18
1) Inspection of Compression Pressure……… 5-18
2) Inspection of Oil Pressure ………………… 5-19
3) Inspection of Valve Clearance …………… 5-20
4) Removing Power Unit ……………………… 5-22
5) Removing Timing Belt and Pulley ………… 5-25
6) Inspection of Timing Belt …………………… 5-26
7) Installation of Pulley and Timing Belt……… 5-27
8) Removing Cylinder Head…………………… 5-30
9) Inspection of Valve Spring ………………… 5-32
10) Inspection of Valve ………………………… 5-33
11) Inspection of Valve Guide ………………… 5-33
12) Inspection of Valve Seat …………………… 5-34
13) Correction of Valve Seat …………………… 5-35
14)
Inspection of Rocker Arm and Rocker Arm Shaft
5-37
15) Inspection of Cam Shaft ……………… 5-38
16) Inspection of Cylinder Head …………… 5-39
17) Inspection of Oil Pump ………………… 5-40
18) Installation of Valves …………………… 5-41
19) Installation of Cam Shaft ……………… 5-42
20) Installation of Rocker Arm Shaft ……… 5-42
21) Installation of Oil Pump ………………… 5-43
22) Installation of Cylinder Head…………… 5-44
23) Disassembly of Cylinder Block………… 5-45
24) Inspection of Piston Outer Diameter 5-46
25) Inspection of Cylinder Inner Diameter5-46
26) Inspection of Piston Clearance ……… 5-46
27)
Inspection of Piston Ring Side Clearance
…… 5-47
28) Inspection of Piston Rings …………… 5-47
29) Inspection of Piston Pins ……………… 5-48
30)
Inspection of Connecting Rod Small End Inner Diameter
5-48
31)
Inspection of Connecting Rod Big End Side Clearance
5-48
32) Inspection of Crankshaft ……………… 5-49
33)
Inspection of Crank Pin Oil Clearance
…… 5-50
34)
Inspection of Crankshaft Main Journal Oil Clearance
5-51
35)
Inner Diameter of Cylinder/Crank Case Bearing Holder (Inner Diameter Code)
5-52
36)
Thickness of Bearing (Color of Inner Diameter Code)
5-52
37)
Assembling Piston and Connecting Rod
5-53
38) Installation of Power Unit ……………… 5-57
39) Removing Recoil Starter ……………… 5-59
40) Disassembly of Recoil Starter ………… 5-59
41) Inspection of Recoil Starter …………… 5-60
42) Installation of Recoil Starter …………… 5-61
MFS25_30_ch05.qxd 06.3.9 4:48 PM ページ 1

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