Online version - not for reprint1.
Safety Precautions 1
2.
Introduction
2
3.
Specifications
3
3.1
Engine
3
3.2
Fuel System
3
3.3
Ignition System
4
3.4
Cutting Attachment
4
3.5
Special Accessories
4
3.5.1
For User
4
3.5.2
For Service
4
3.6
Tightening Torques
5
4.
Clutch, Chain Drive,
Chain Brake and
Chain Tensioner
6
4.1
Clutch Drum/
Chain Sprocket
6
4.2
Chain Catcher
7
4.3
Clutch
7
4.4
Chain Brake
8
4.4.1
Checking Function
8
4.4.2
Disassembly
8
4.4.3
Assembly
10
4.5
Front Chain Tensioner 12
4.6
Side Chain Tensioner 12
5.
Engine
13
5.1
Exhaust Muffler/Spark
Arresting Screen
13
5.2
Leaking Test
14
5.2.1
Preparations
14
5.2.2
Pressure Test
15
5.2.3
Vacuum Test
15
5.3
Oil Seals
16
5.4
Removing and
Installing
18
5.5
Cylinder
18
5.6
Piston
20
5.7
Piston Rings
22
5.8
Crankshaft
22
5.9
Connecting Rod
(021 up to Serial No.
X 34 944 402)
23
5.10
Decompression Valve 24
6.
Ignition System
24
6.1
Spark Plug Boot
24
6.2
Ignition Lead
25
6.3
Ignition Module
25
6.3.1
Ignition Timing
26
6.3.2
Removing and
Installing
26
6.4
Flywheel
27
7.
Rewind Starter
28
7.1
Routine Maintenance 28
7.2
Rewind Spring
28
7.2.1
Replacing
28
7.2.2
Tensioning
29
8.
AV Handle System/
Handle Housing
30
8.1
Annular Buffers
30
8.2
Front Handle
31
8.3
Handle Housing
31
8.4
Switch Shaft
33
8.5
Contact Spring
34
8.6
Throttle Trigger/
Interlock Lever
34
9.
Chain Lubrication
36
9.1
Pickup Body 36
9.2
Connector/
Suction Hose
36
9.3
Vent Valve
37
9.4
Worm
38
9.5
Oil Pump
38
10.
Fuel System
39
10.1
Air Filter
39
10.2
Carburetor
41
10.2.1 Leakage Test
41
10.2.2 Removing and
Installing
42
10.2.3 Adjustment (except
023 L and USA)
43
10.2.4 Adjustment
(023 L and USA)
44
10.3
Tank Vent
45
10.4
Pickup Body
46
10.5
Suction Hose
46
10.6
Manual Fuel Pump
47
10.6.1 Fuel Hoses
47
10.7
Fuel Tank
48
11.
Special Servicing
Tools and Aids
50
11.1
Special Servicing Tools 50
11.2
Servicing Aids
52
1.
SAFETY
PRECAUTIONS