| pos. | decription | spare part number | |
| 1 | | |
| 16 | Vane Assy.-Air | 490291A |
| 19 | Spring-Governor | 570707 |
| 24 | Bearing, Ball | 530110 |
| 27 | Seal, Crankshaft | 510319 |
| 29 | Bearing & Liner Set-Needle | 530150 |
| 29 | Bearing, Cartridge | 530104A |
| 30 | Crankshaft | 290602 |
| 33 | Plate, Cover | 570644 |
| 34 | Screw, Pan F lex Hd. | 650579 |
| 41 | | 310283A |
| 42 | Ring Set, Piston | 310190 |
| 43 | Ring, Piston Pin Retaining | 310167 |
| 46 | Screw, Connecting Rod | 650633 |
| 69 | Gasket-Housing Base | 510292A |
| 69 | Gasket-Cover | 510323A |
| 77 | Cartridge Bearing | 53-105 |
| 89 | Sleeve, Flywheel | 611032 |
| 90 | Flywheel | 611066 |
| 92 | Washer, Belleville | 650815 |
| 93 | Nut, Flywheel | 650390 |
| 101 | Cover, Spark Plug | 610118 |
| 103 | Screw, Hex Hd. | 650814 |
| 105 | Stud | 650796 |
| 119 | Gasket-Cylinder Head | 510274A |
| 120 | Head-Cylinder | 250240B |
| 131 | Screw, Pan Flex Hd. | 650477 |
| 135 | Plug, Spark (RCJ-8Y or equivalent) | 611049 |
| 163 | Washer, Flat | 650838 |
| 169 | Gasket-Cover | 510325A |
| 172 | Compression Release Cover | 570708 |
| 174 | Screw, Pan F lex Hd. | 650579 |
| 177 | Screw | 650959 |
| 184 | Gasket-Carburetor | 510326A |
| 186 | Governor Link | 490322 |
| 187 | Spacer | 570428A |
| 216 | Lever, Adjusting | 570645 |
| 239 | Gasket-Filter Base | 35815 |
| 257 | Screw-Sternantrieb Pan Hd. | 650911 |
| 258 | Base Ass y-Blower Housing (Incl Ref. | 350422 |
| 260 | Blower Housing | 350437 |
| 261 | Screw-Hex Washer Hd. | 650737 |
| 274 | Exhaust Gasket | 510346A |
| 275 | Muffler | 390330 |
| 277 | Screw-Hex Hd. | 650869 |
| 285 | Cup, Starter | 590551 |
| 287 | Screw-Hex Washer Hd. | 650926 |
| 325 | Clip, Spring | 29443 |
| 330 | Wire Assembly | 611153 |
| 370 | Decal-Caution | 35977 |
| 380 | Carburetor (Incl. Ref. | 632641 |
| 383 | Baffle, Air | 570434 |
| 384 | Screw, Rd. Hd. | 650229 |
| 390 | Rewind Starter | 590652 |
| 390 | Rewind Starter NOTE: This engine could have been built with a 590735 starter. Refer to the design of the air intake louvers f | 590735 |
| 400 | Gasket Set | 510324 |
| 420 | Oil-2 Cycle (8 oz.) | 730227A |
