| Item | Part No. | Part Name | Qty | Serial No. |
| (257-20-21500) | ENGINE ASS'Y | 1501- | ||
| 1 | KT15221-4251-2 | PIPE,OVERFLOW | 1501- | |
| 2 | KT15271-4271-1 | CLIP | 1501- | |
| 3 | KT15401-4252-1 | PIPE | 1501- | |
| 4 | KT15271-5302-1 | NOZZLE HOLDER ASS'Y | 1501- | |
| 5 | KT17011-5362-1 | GASKET | 1501- | |
| 6 | KT15221-5371-1 | PIPE,INJECTION | 1501- | |
| 7 | KT15221-5372-1 | PIPE,INJECTION | 1501- | |
| 8 | KT15321-5373-1 | PIPE,INJECTION | 1501- | |
| 9 | KT15121-5385-2 | CLAMP | 1501- | |
| 10 | KT15121-5386-1 | CLAMP | 1501- | |
| 11 | KT03024-50520 | SCREW | 1501- | |
| 12 | KT15521-6551-1 | PLUG,GLOW | 1501- | |
| 13 | KT15401-6556-1 | CORD | 1501- |