| pos. | descripción | Número de pieza | |
| Gasket, Crankcase-.005 thick | 270125 |
| Gasket, Crankcase-.009 thick | 270126 |
| 18 | Cover Assy.-Crkcse. | 494044 |
| 19 | Bushing-Crankcase Cover | 495660 |
| 20 | Seal, Oil | 294606 |
| 21 | Plug, Oil Filler | 66768 |
| 22 | Screw-Cover Mtg. | 94682 |
| 25 | Piston Assy., Standard | 298904 |
| Piston Assy., .010 O.S. | 298905 |
| Piston Assy., .020 O.S. | 298906 |
| 26 | Ring Set, Standard Piston Consists of: | 298982 |
| Ring Set, .010 O.S. Piston Consists of: | 298983 |
| 27 | Lock, Piston Pin | 26026 |
| 28 | Pin Assy., Piston, Std. | 298909 |
| 29 | Rod Assy., Connecting For Connecting Rod with .020 Undersize Crankpin bore, order No. 390459 | 299430 |
| 30 | Dipper, Connecting Rod | 221890 |
| 32 | Screw-Conn. Rod | 94745 |
| 45 | Tappet, Valve | 260642 |
| 46 | Gear-Cam | 212733 |
| 219 | Gear-Governor | 494845 |
| 220 | Washer, Thrust | 221551 |
| 227 | Lever Assy.-Governor | 490374 |
| 230 | Washer-Gov. Crank | 222450 |
| 562 | Bolt, Governor Lever | 92613 |
| 592 | Nut-Hex.-10-24 | 231082 |
| 614 | Cotter, Hair Pin | 93306 |
| 615 | Retainer, E-Ring | 93307 |
| 616 | Crank-Governor | 231077 |
| 1019 | Label Kit | 491102 |