| pos. | decription | spare part number | |
| 2 | Pin, Dowel | 27652 |
| 3 | Screw, Hex Hd. Shoulder | 650820 |
| 14 | Washer, Flat | 28277 |
| 14 | Washer | 651057 |
| 15 | Governor Rod (Incl. Ref. | 35685 |
| 16 | Lever-Governor | 35686 |
| 17 | Clamp, Governor Lever | 29916 |
| 18 | Screw | 651028 |
| 19 | Spring-Extension | 35688 |
| 20 | Seal, Oil | 35319 |
| 25 | Blower Housing Baffle | 36460 |
| 26 | Screw, Hex Washer Hd. | 650561 |
| 28 | Locknut, Hex | 30322 |
| 30 | Crankshaft | 36706 |
| 31 | Gear-Counterbalance | 35327 |
| 35 | Screw, Hex Washer Hd. | 29826 |
| 36 | Lockwasher, E.T. | 29918 |
| 37 | Locknut, Hex | 29216 |
| 38 | Ring, Retaining | 29642 |
| 40 | Piston, Pin & Ring Set (Std.) | 35776A |
| 40 | Piston, Pin & Ring Set (.010) | 35777A |
| 40 | Piston, Pin & Ring Set (.020) | 35778A |
| 42 | Ring Set, Piston (Standard) | 35779 |
| 42 | Ring Set, Piston (.010 oversize) | 35780 |
| 42 | Ring Set, Piston (.020 oversize) | 35781 |
| 43 | Retaining Ring, Piston Pin | 35772 |
| 45 | Rod Assembly-Connecting (Incl. ref. | 36898 |
| 47 | Connecting Rod Bolt | 651033 |
| 48 | Lifter-Valve | 35313 |
| 50 | Camshaft | 35682A |
| 51 | Weight-Counterbalance | 35315A |
| 60 | Extension-Blower Housing | 35316A |
| 65 | Screw, Hex Washer Hd. Self-tap. | 30200 |
| 66 | Screw, Fil. Hd. Sems | 30063 |
| 69 | Gasket-Cylinder Cover | 35683 |
| 71 | Bushing, Crankshaft | 35377 |
| 72 | Plug, Sq. Hd. Pipe, 1/4-18 (Oil Drain) | 27642 |
| 75 | Seal, Oil | 35319 |
| 80 | Shaft-Governor | 35751 |
| 81 | Washer-Flat | 35479 |
| 82 | Gear-Asm Governor | 35321 |
| 83 | Spool-Governor | 35322 |
| 84 | Ring, Retaining | 29193 |
| 86 | Screw, Hex Washer Hd. | 650833 |
| 87 | Screw, Hex Washer Hd. | 650832 |
| 89 | Key, Flywheel | 32589 |
| 90 | Flywheel w/Ring Gear OHSK120-222023E Only | 611094 |
| 92 | Washer, Lock | 650880 |
| 93 | Nut, Flywheel | 650881 |
| 100 | Solid State Assy. | 35135 |
| 101 | Cover, Spark Plug | 610118 |
| 102 | Solid State Mounting Stud | 651024 |
| 103 | Screw, Sternantrieb T-15 | 651007 |
| 110 | Ground Wire | 35187 |
| 110 | Ground Wire | 37047 |
| 119 | Cylinder Head Gasket | 36932 |
| 120 | Cylinder Head | 37084 |
| 125 | Exhaust Valve (Std.) | 36934 |
| 125 | Exhaust Valve (1/32) | 36936 |
| 126 | Intake Valve (Std.) | 36935 |
| 126 | Intake Valve (1/32) | 36937 |
| 127 | Washer, Flat | 650691 |
| 128 | Washer-Belleville | 650690 |
| 130 | &rew-Hex. Flange Hd. | 650697A |
| 135 | Resistor Spark Plug (RN4C) | 34645 |
| 150 | Spring-Valve | 33507 |
| 151 | Keeper-Valve Spring | 33508 |
| 153 | Push Rod Guide | 35949 |
| 154 | Rocker Arm Stud | 650945 |
| 155 | Rocker Arm | 35950 |
| 157 | Lock Nut | 650947 |
| 158 | Rod-Push | 35466 |
| 159 | Rocker Arm Cover Gasket | 35952 |
| 160 | Rocker Arm Housing | 35953A |
| 161 | Screw, Fil. Hd. Sems | 30063 |
| 163 | Washer | 650890 |
| 169 | Gasket-Breather | 27896A |
| 170 | Body, Breather | 28423 |
| 171 | Element, Breather | 28424 |
| 172 | Cover, Valve Spring | 28425 |
| 173 | Tube-Breather | 35350 |
| 174 | Screw, Fil. Hd. | 650128 |
| 180 | Blower Housing Extension | 35954 |
| 181 | Screw, Hex Washer Hd. Self-tap. | 30200 |
| 182 | Screw-Hex. Hd. | 650517 |
| 183 | Bracket-Choke | 34583A |
| 184 | Gasket-Carburetor | 33263 |
| 185 | Intake Pipe | 37085 |
| 186 | Link-Governor | 35691 |
