C
011500
The specifications are subject to alteration for improvement without notice.
Dimensions (mm)
THREE VIEW DRAWING
http://www.os-engines.co.jp
ENGINE EXPLODED VIEW
6-15 3-Chome Imagawa Higashisumiyoshi-ku
Osaka 546-0003, Japan
TEL. (06) 6702-0225
FAX. (06) 6704-2722
Glow Gasoline Engine Plug G5
Cylinder Head
Head Gasket
Cylinder Liner
Piston Ring
Piston
Piston Pin
Connecting Rod
Connecting Rod Bearing
Carburetor Complete (Type 61HB)
Thermo Insulator
Propeller Nut
Propeller Washer
Drive Hub
Thrust Washer
Ball Bearing (F)
Crankcase
Ball Bearing (R)
Crankshaft
Cover Plate Assembly
Cover Gasket
Connecting Rod Plate
Cover Plate
Nipple Assembly
Pulse Spacer
Thermo Insulator
Pump Unit PD-08
Gasoline Fuel Filter S
E-3071 Silencer
"O" Ring
Assembly Screw
Silencer Retaining Screw (C.M3x35 2pcs.)
Carburetor Retaining Screw (N.+M3.5x5 2pcs.)
Nut (M3x0.5 5pcs.)
Copyright 2015 by O.S. Engine Mfg. Co., Ltd. All rights reserved. Printed in CHINA.
1
1-1
2
3
3-1
3-2
4
5
6
7
7-1
7-2
7-3
7-4
7-5
CAP SCREW SETS (10pcs./sets)
Code No.
Size
Cover Plate Retaining Screw (4pcs.)
Cylinder Head Retaining Screw (6pcs.)
Caburetor Retaining Screw (2pcs.)
Pcs. used in an engine
Type of screw
C...Cap Screw N...Round Head Screw
CARBURETOR EXPLODED VIEW & PARTS LIST
Type of screw
N...Round Head Screw S...Set Screw
No. Code No.
Description
Throttle Lever Assembly
Throttle Lever Retaining Screw
Carburetor Rotor
Mixture Control Valve Assembly
"O" Ring (L) (2pcs.)
"O" Ring (S) (2pcs.)
Carburetor Body
Roter Guide Screw
Universal Nipple L3.5
Needle Valve Assembly
Needle Assembly
Set Screw
"O" Ring (2pcs.)
Needle-valve Holder Assembly
Ratchet Spring No.4
No. Code No.
Description
4
5
7
S.M3X3
6
7-1
7-3
7-2
7-5
7-4
1
2
3
3-1
3-2
N.+M3x6
1-1
C.M3x15
SPECIFICATIONS
1
2
2-1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19-1
19-2
19-3
19-4
19-5
20
21
22
23
23-1
23-2
23-3
23-4
71655001
4A404000
4A404160
4A403000
26703404
4A403200
4A406000
4A405000
4A405020
4A481000
28169460
23210007
23209003
4A408000
46120000
26731010
4A401000
26730005
4A402000
4A407000
25804170
4A407020
4A407010
4A407030
4A407040
4A069460
72508100
78300000
24625211
24625125
25625300
25425400
23081706
79850030
79871110
79871150
23875310
M3x8
M3x15
M3x28
C.M3x15
1
4
5
6
7
8
9
10
12
11
13
14 15
16
3
2
18
17
C.M3x15
19
20
21
2-1
C.M3x28
C.M3x8
22
19-1
19-2 19-3
19-4
19-5
23-1
23-2
23-3 23-4
23
Pump Unit Retaining Screw (2pcs.)
27881400
22081313
4A408120
28181600
28181920
28181910
28181110
45581820
45571110
28181900
28181970
26381501
28181910
27381940
26711305
Displacement
Bore
Stroke
Output
Practical R.P.M.
Weight
(Engine)
(Silencer)
60.4
17.
8
36.
7
72
42
37
UNF1/4-28
27.5
25.8
31.8
31.7
21
87.8
36
51
44
22
22
8.75
17.5
51.6
30.3
101.3
93.
2
4°
8.75
9.73 cc / 0.594 cu.in.
24.0 mm / 0.945 in.
21.5 mm / 0.846 in.
1.6 ps / 1.58 hp / 10,000r.p.m.
2,000-11,000 r.p.m.
453 g / 15.98 oz.
108 g / 3.81 oz.
