| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM105190-28250 | SHAFT,BALANCER | 2501- | |
| 2 | YM24101-060044 | BEARING,BALL | 2501- | |
| 3 | YM105190-28380 | SPACER | 2501- | |
| 4 | YM24121-060074 | BEARING,BALL | 2501- | |
| 5 | YM105190-28310 | GEAR,BALANCER | 2501- | |
| 6 | YM105190-28300 | GEAR,BALANCER | 2501- | |
| 7 | YM105215-76490 | KEY | 2501- | |
| 8 | YM105190-28410 | GEAR,BALANCER | 2501- | |
| 9 | YM105190-28710 | GEAR,IDLE | 2501- | |
| 10 | YM105430-28720 | BUSHING | 2501- | |
| 11 | YM105300-28700 | SHAFT,IDLE | 2501- | |
| 12 | YM26106-100502 | BOLT | 2501- | |
| 13 | YM123672-83880 | WASHER | 2501- | |
| 14 | YM105300-28450 | RETAINER | 2501- | |
| 15 | YM26013-080202 | BOLT | 2501- |