| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE, TIER II (SEE FIG. A0100-01A1) | A90009-- | |||
| YM12390711320 | VALVE COVER | A90009-- | ||
| 1 | (NSS) | COVER | A90009-- | |
| 2 | YM12390703010 | PLATE | A90009-- | |
| 3 | YM12390703060 | FILTER, BOTTOM | A90009-- | |
| 4 | YM12390703070 | FILTER, TOP | A90009-- | |
| 5 | YM12390003220 | HOSE, BREATHER | A90009-- | |
| 6 | YM12390711310 | GASKET, VALVE COVER | A90009-- | |
| 7 | YM22857500100 | SCREW | A90009-- | |
| 8 | HEAD, CYLINDER (SEE FIG. A0103-01A1) | A90009-- | ||
| 9 | YM12416001751 | CAP | A90009-- | |
| 10 | YM24311000320 | O-RING | A90009-- | |
| 11 | YM12416011360 | KNOB | A90009-- | |
| 12 | YM24311000120 | O-RING | A90009-- | |
| 13 | YM97777001212 | LIQUID GASKET | A90009-- | |