Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | 12647-01050 | [1] | ASSY COVER CRANKCASE | <=550668 |
| 010. | 12002-01050 | [1] | ASSY COVER CRANKCASE | >=550669 |
| 020. | 12643-01340 | [1] | GASKET CRANKCASE | |
| 030. | 13901-91010 | [7] | BOLT | |
| 040. | 12647-02110 | [1] | BLOCK CYLINDER | |
| 050. | 05012-00614 | [2] | PIN,STRAIGHT | |
| 060. | 12648-03040 | [1] | COMP.CYLINDER HEAD | |
| 070. | 12631-13580 | [2] | GUIDE VALVE | |
| 080. | 12643-13110 | [1] | VALVE INTAKE | |
| 090. | 12648-13120 | [1] | VALVE EXHAUST | |
| 100. | 12631-13240 | [2] | SPRING VALVE | |
| 110. | 12631-13330 | [2] | RETAINER VALVE SPRIN | |
| 120. | 12631-13360 | [2] | COTTER | |
| 130. | 12643-03310 | [1] | GASKET CYLINDER HEAD | |
| 140. | 12631-03450 | [4] | BOLT CYLINDER HEAD | |
| 150. | 12631-94930 | [2] | PIN,PIPE | |
| 160. | 12643-05010 | [1] | COMP.BREATHER | |
| 170. | 12643-05410 | [1] | COVER BREATHER | |
| 180. | 12643-05430 | [1] | GASKET BREATHER | |
| 190. | 13921-91040 | [2] | BOLT | |
| 200. | 13901-33082 | [1] | ASSY PLUG OIL FILLER | |
| 210. | 04811-00160 | [1] | O RING | |
| 220. | 13901-33750 | [1] | PLUG,DRAIN | |
| 230. | 04724-00120 | [1] | GASKET | |
| 240. | 12647-39510 | [1] | COMP OIL WATCH | |
| 250. | 13901-91040 | [2] | BOLT | |
| 260. | 12647-39550 | [1] | RETAINER CORD | |
| 270. | 13921-91040 | [1] | BOLT |
