| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE, TIER I (SEE FIG. A0100-01A0) | A90002-A90008- | |||
| YM12390011200 | ROCKER ARM | A90002-A90008- | ||
| 1 | YM12390011240 | SHAFT AND PLUGS | A90002-A90008- | |
| 2 | YM11900011280 | SPRING | A90002-A90008- | |
| 3 | YM12390011510 | SUPPORT | A90002-A90008- | |
| 4 | YM12390011520 | SUPPORT | A90002-A90008- | |
| YM12390011650 | ARM INTAKE | A90002-A90008- | ||
| 5 | (NSS) | ARM | A90002-A90008- | |
| 6 | YM12915011230 | SCREW | A90002-A90008- | |
| 7 | YM12915011750 | NUT | A90002-A90008- | |
| YM12390011660 | ARM EXHAUST | A90002-A90008- | ||
| 8 | (NSS) | ARM | A90002-A90008- | |
| 9 | YM12915011230 | SCREW | A90002-A90008- | |
| 10 | YM12915011750 | NUT | A90002-A90008- | |
| 11 | YM22242000180 | RING | A90002-A90008- | |
| 12 | YM26577040162 | SCREW | A90002-A90008- | |
| 13 | YM11959311300 | STUD | A90002-A90008- | |
| 14 | YM26106080702 | BOLT | A90002-A90008- | |
| 15 | YM26366080002 | NUT | A90002-A90008- | |