| Item | Part No. | Part Name | Qty | Serial No. |
| YM121400-77010 | STARTING MOTOR ASS'Y | 01001- | ||
| 1 | YMX-21307100 | ARMATURE ASS'Y | 01001- | |
| 2 | YMX-21301115 | THRUST WASHER ASS'Y | 01001- | |
| 3 | YMX-21301119 | PINION STOPPER A. | 01001- | |
| 4 | YMX-21304220 | FIELD COIL ASS'Y | 01001- | |
| 5 | YMX-21307311 | BRUSH | 01001- | |
| 6 | YMX-21307300 | BRUSH HOLDER A. | 01001- | |
| 7 | YMX-21301310 | BUSHING | 01001- | |
| 8 | YMX-21304305 | HOLDER ASS'Y | 01001- | |
| 9 | YMX-21304312 | BRUSH | 01001- | |
| 10 | YMX-21304313 | SPRING | 01001- | |
| 11 | YMX-21303400 | BEARING ASS'Y | 01001- | |
| 12 | YMX-21304401 | BUSHING | 01001- | |
| 13 | YMX-21308500 | PINION ASS'Y | 01001- | |
| 14 | YMX-21309600 | GEAR CASE ASS'Y | 01001- | |
| 15 | YMX-21302601 | BUSHING | 01001- | |
| 16 | YMX-21302610 | COVER ASS'Y | 01001- | |
| 17 | YMX-21302605 | LEVER ASS'Y | 01001- | |
| 18 | YMX-21306700 | MAGNETIC SWITCH A. | 01001- | |
| 19 | YMX-21201742 | CAP | 01001- | |
| 20 | YMX-21201744 | CAP | 01001- | |
| 21 | YMX-21303820 | BOLT | 01001- | |
| 22 | YMX-21201836 | CAP | 01001- | |
| 23 | YMX-21301827 | WASHER | 01001- | |
| 24 | YMX-0360408 | SCREW | 01001- |