| Item | Part No. | Part Name | Qty | Serial No. |
| YM121450-77010 | STARTING MOTOR ASS'Y | 00501- | ||
| 1 | YMX-211491001 | ARMATURE ASS'Y | 00501- | |
| 2 | YMX-21143454 | PLATE,CENTER | 00501- | |
| 3 | YMX-211455003 | PINION ASS'Y | 00501- | |
| 4 | YMX-21147155 | PINION STOPPER A. | 00501- | |
| 5 | YMX-21141661 | GEAR CASE ASS'Y | 00501- | |
| 6 | YMX-21144661 | BUSHING | 00501- | |
| 7 | YMX-21148652 | LEVER ASS'Y | 00501- | |
| 8 | YMX-21143963 | DUST COVER ASS'Y | 00501- | |
| 9 | YMX-211497004 | MAGNETIC SWITCH A. | 00501- | |
| 10 | YMX-211432001 | FIELD COIL ASS'Y | 00501- | |
| 11 | YMX-21145312 | BRUSH (+) | 00501- | |
| 12 | YMX-21147215 | SCREW | 00501- | |
| 13 | YMX-211443101 | BRUSH HOLDER ASS'Y | 00501- | |
| 14 | YMX-21148313 | BRUSH (-) | 00501- | |
| 15 | YMX-21149314 | SPRING,BRUSH | 00501- | |
| 16 | YMX-211453002 | REAR COVER ASS'Y | 00501- | |
| 17 | YMX-21145352 | BUSHING | 00501- | |
| 18 | YMX-21148110 | THRUST WASHER ASS'Y | 00501- | |
| 19 | YMX-21146815 | BOLT | 00501- | |
| 20 | YMX-7120632 | BOLT | 00501- | |
| 21 | YMX-21142835 | SCREW ASS'Y | 00501- | |
| 22 | YM121254-77810 | COVER | 00501- |