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OHSK120-222003B Page 1 of 7
Engine Parts List #1
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OHSK120-222003B Page 2 of 7
Engine Parts List #1
Ref # Part Number Qty Description 1 35677A 1 Cylinder (Incl. 2, 20, 72 & 80) 2 27652 2 Dowel Pin 3 650820 2 Screw, 1/4-20 x 1/2" 4 30968 1 Oil Drain Extension 5 30969 1 Extension Cap
14 28277
1 Washer
15 35685
1 Governor Rod (Incl. 14 & 38)
16 35686
1 Governor Lever
17 35687
1 Governor Lever Clamp
18 650548
1 Screw, 8-32 x 5/16"
19 35688
1 Extension Spring
20 35319
1 Oil Seal
25 35326
1 Blower Housing Baffle
26 650561
2 Screw, 1/4-20 x 5/8"
28 30322
1 Lock Nut, 8-32
30 35701
1 Crankshaft
31 35327
1 Counterbalance Gear
35 29826
1 Screw, 10-32 x 3/4"
36 29918
1 Lock Washer
37 29216
1 Lock Nut, 10-32
38 29642
3 Retaining Ring
40 35339A
1 Piston, Pin & Ring Set (Std.)
40 35340A
1 Piston, Pin & Ring Set (.010" OS)
40 35341A
1 Piston, Pin & Ring Set (.020" OS)
41 35329
1 Piston & Pin Ass'y. (Std.) (Incl. 43)
41 35430
1 Piston & Pin Ass'y. (.010" OS) (Incl. 43)
41 35431
1 Piston & Pin Ass'y. (.020" OS) (Incl. 43)
42 34866A
1 Ring Set (Std.)
42 34867A
1 Ring Set (.010" OS)
42 34868A
1 Ring Set (.020" OS)
43 31919
2 Piston Pin Retaining Ring
45 35681
1 Connecting Rod Ass'y. (Incl. 46 & 47)
46 650908
1 Connecting Rod Bolt
47 650882
1 Connecting Rod Bolt
48 35313
2 Valve Lifter
50 35682A
1 Camshaft (MCR)
51 35315
1 Counterbalance Weight
60 35316
1 Blower Housing Extension
61 34126
1 Grommet Mounting Bracket
62 650760
1 Screw, 8-32 x 3/8"
63 28545
1 Grommet
64 30063
1 Screw, Torx T-30, 1/4-20 x 1/2"
65 650128
1 Screw, 10-24 x 1/2"
66 650561
1 Screw, 1/4-20 x 5/8"
69 35683
1 * Cylinder Cover Gasket
70 35684A
1 Cylinder Cover (Incl.14,15,38,71,75)
71 35377
1 Crankshaft Bushing
72 27642
2 Oil Drain Plug
72 27642
1 Oil Drain Plug
75 35319
1 Oil Seal
80 35751
1 Governor Shaft
81 35479
2 Washer
82 35321
1 Governor Gear Ass'y.
83 35322
1 Governor Spool
84 29193
1 Retaining Ring
86 650833
7 Screw, 1/4-20 x 1-3/16"
87 650832
1 Screw, 1/4-20 x 1-11/16"
89 32589
1 Flywheel Key
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OHSK120-222003B Page 3 of 7
Engine Parts List #1
Ref # Part Number Qty Description
90 611093
1 Flywheel (W/Ring Gear)
92 650880
1 Lock Washer
93 650881
1 Flywheel Nut
100 35135
1 Solid State Ignition
101 610118
1 Spark Plug Cover
102 650872
2 Solid State Mounting Stud
103 650814
2 Screw, Torx T-15, 10-24 x 1"
119 35306A
1 * Cylinder Head Gasket
120 35307
1 Cylinder Head
121 730218
2 Valve Guide Kit (Incl. 2 of 122)
122 792035
2 Retaining Ring
125 35308
1 Exhaust Valve (Std.)
125 35433
1 Exhaust Valve (1/32" OS)
126 35309
1 Intake Valve (Std.)
126 35432
1 Intake Valve (1/32" OS)
127 650691
6 Washer
129 650746
2 Screw, 5/16-18 x 1-3/8"
130A 650690
6 Belleville Washer
130 650692
4 Screw, 5/16-18 x 1-3/4"
135 34046
1 Resistor Spark Plug (RL86C)
141 33481
4 * "O" Ring (Also Incl. in 401)
142 35475
2 Push Rod Tube
143 35310
1 Rocker Arm Housing
144 33484
1 * "O" Ring (Also Incl. in 401)
145 650168
1 Washer
146 32610A
1 Screw, 1/4-20 x 29/32"
147 33509
1 * "O" Ring (Also Incl. in 401)
148 34410
1 * "O" Ring (Also Incl. in 401)
149 33510
2 Valve Spring Cap
150 33507
2 Valve Spring
151 33508
2 Valve Spring Keeper
152 35295
2 * "O" Ring (Also Incl. in 401)
153 35296
1 Push Rod Guide
154 650878
2 Rocker Arm Stud
155 35297
2 Rocker Arm
156 35298
2 Rocker Arm Bearing
157 28264
2 * Lock Nut (Incl. 162) (Also Incl. in 4 01)
158 35466
2 Push Rod
159 35299B
1 * "O" Ring (Incl. 2 of 161) (Also Incl. in 401)
160 35300
1 Rocker Arm Housing
161 650879
2 Screw, Torx T-20, 8-32 x 1/2"
162 650903
2 Jam Nut
169 27896A
2 * Valve Cover Gasket
170 28423
1 Breather Body
171 28424
1 Breather Element
172 28425
1 Valve Cover
173 35350
1 Breather Tube
174 650128
2 Screw, 10-24 x 1/2"
179 30593
1 Retaining Clip
180 35301
1 Blower Housing Extension
181 650128
1 Screw, 10-24 x 1/2"
182 650517
2 Screw, 1/4-20 x 27/32"
183 34583
1 Choke Bracket
184 33263
1 * Carburetor To Intake Pipe Gasket
185 35690
1 Intake Pipe
186 35691
1 Governor Link
200 35702
1 Control Bracket (Incl.203,204,206,210 & 211)
202 33802
1 Compression Spring