O.S. Engines Sirius7 FR7-420 - Manual (Page 16)

30
ENGINE EXPLODED VIEW & PARTS LIST
Type of screw
C...Cap Screw N...Round Head Screw
CAP SCREW SETS (10pcs./sets)
79871020
79871030
79871110
79871060 M2.6x7
M2.6x10
M3x8
M3.5x8 M3.5x15
M3.5x18
M4x15
M4x25 79871090
79871098
79871415
79871425
Code No. Size Code No. Size
1
2
C.M2.6x10
3
4
5
6-5
6-4
6-3
6-2
6-1
6
C.M3.5x18
C.M3.5x15
7
7-1
7-2
8
9
10
C.M3.5x8
11
12
13
14
15-1
15
16 C.M4x25
17
18
19
20-2
20-1
20
21
22
23
24
25
26
27
28
C.M2.6x13
M2.6x13.1
29
30
31
32
33
34
35
36
37
38 39
40
41
42
43
44
45
46
48
47
49
50 51
52-1
52
C.M2.6x7
C.M4x25
46 53
55
54
56
C.M4x10
C.M3x8
57
C.M2.6x7
58
N.+M3x22
59
60
C.M4x15
C.M4x15
31
The specifications are subject to alteration for improvement without notice.
1
2
3
4
5
6
6-1
6-2
6-3
6-4
6-5
7
7-1
7-2
8
9
10
11
12
13
14
15
15-1
16
17
18
19
20
20-1
20-2
21
22
23
24
25
26
27
28
29
30
31
32
47104200
47161100
45061202
47161120
47161500
47104000
47104100
44851000
45960210
45960310
45960400
45269000
45269100
45069200
47114010
47003100
47103300
44603400
45603200
45606000
29310100
47108000
29208200
29031009
47101600
47164000
47066000
47166100
24881824
47166210
47031000
47162700
47131000
47101610
47101100
47101000
47102100
47062300
47162600
47162500
47162000
47162100 33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
52-1
53
54
55
56
57
58
59
60
47030000
47162400
47062200
47130000
47102000
47002300
47105400
47105000
47005300
47105410
47002200
47102310
47102400
47131100
47109500
47109400
47101810
24025923
47101800
47168000
45515000
47107100
44516110
29714200
47101700
47181140
47181000
71912110
71912100
71615009
46471000
72200060
72200200
72200170
72200171
72200190
72200180
47181210
72200080
71912150
79870050
79871525
Description Code No. No. Description Code No. No.
Rocker Cover
Rocker Arm
Tappet Adjusting Screw
Rocker Arm Thrust Washer (2pcs.)
Rocker Arm Shaft
Cylinder Head (W/Valve Assembly)
Cylinder Head
Valve (1pc.)
Valve Spring (1pc.)
Valve Spring Retainer (1pc.)
Cotter Pin (2pcs.)
Exhaust Pipe Assembly
Exhaust Pipe
Exhaust Pipe Lock Nut
Head Gasket
Cylinder Liner
Cylinder Jacket
Piston Ring
Piston
Piston Pin
Propeller Locnut Set
Drive Hub
Woodruff Key
Ball Bearing (Front)
Front Housing
Cam Follower (2pcs.)
Push Rod Set (S&L 1Piece Each)
Push Rod Cover Set (S&L 1Piece Each)
"O" Ring (2pcs.)
"O" Ring (2pcs.)
Reduction Gear Bearing (Front)
Reduction Gear
Reduction Gear Bearing (Rear)
Front Plate
Crankcase Locating Pin
Crankcase
Crankshaft Spacer
Cam Thrust Washer (B)
Cam Assembly Screw
Cam Gear
Intake Cam
Exhaust Cam Cam Holder Bearing
Cam Holder
Cam Thrust Washer (A)
Ball Bearing (Rear)
Crankshaft
Master Connecting rod Spacer
Link Pin
Master Connecting Rod Assembly
Link Rod
Link Pin E Ring
Crank Pin Washer
Crank Pin Stop Screw
Drive Shaft
Drive Shaft Bearing
Wave Washer (8mm)
Drive Shaft Spacer
Back Plate Parallel Pin
Nipple No.2 (5mm)
Back Plate
Intake Manifold Set
"O" Ring (2pcs.)
Impeller
Drive Shaft Retaining Screw
"O" Ring (1.2x54)
Rear Cover
Carburetor Spacer
Carburetor Complete (80T)
Radial Mount Stand Off
Radial Mount
Glow Plug Type F
Drain Plug
Valve Adjusting Kit
Boostre Cable Set For Single Cylinder
Plug Cable Set
Plug Cable
Plug Terminal
Earth Cable 5
Carburetor Insert
Needle-Valve Extension Cable Set
Radial Mount Retaining Screw Set
Blind Nut M5 (10pcs.)
Cap Screw M5x25 (10pcs.)