| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | (871070006) | ENGINE, ASSY. | 3443031- | |
| 1 | YMR000576 | CYLINDER HEAD | 3443031- | |
| 5 | YMR000052 | GUIDE VALVE | 3443031- | |
| 7 | YMR000174 | GUIDE VALVE | 3443031- | |
| 9 | YMR000071 | PLUG | 3443031- | |
| 10 | YMR000378 | PLUG | 3443031- | |
| 11 | YMR000435 | PLUG | 3443031- | |
| 12 | YMR000437 | PLUG | 3443031- | |
| 13 | YMR000421 | STUD | 3443031- | |
| 14 | YMR000100 | VALVE, INLET | 3443031- | |
| 15 | YMR000101 | VALVE EXHAUST | 3443031- | |
| 16 | YMR000298 | SPRING, VALVE | 3443031- | |
| 17 | YMR000299 | RETAINER, SPRING | 3443031- | |
| 18 | YMR000004 | COTTER | 3443031- | |
| 19 | YMR000065 | SEAL, VALVE EXHAUST | 3443031- | |
| 20 | YMR000085 | SEAL, VALVE STEM | 3443031- | |
| 21 | YMR000424 | NUT | 3443031- | |
| 22 | YMR000172 | CAP VALVE | 3443031- | |
| 23 | YMR000365 | SPRING PIN | 3443031- | |
| 24 | YMR000022 | RETAINER | 3443031- | |
| 25 | YMR000020 | PROTECTION, NOZZLE | 3443031- | |
| 26 | YMR000021 | SEAT, NOZZLE | 3443031- | |
| 27 | YMR000557 | SHAFT | 3443031- | |
| 28 | YMR000549 | SHAFT | 3443031- | |
| 31 | YMR000203 | SUPPORT | 3443031- | |
| 32 | YMR000204 | SUPPORT | 3443031- | |
| 33 | YMR000169 | SPRING | 3443031- | |
| 34 | YMR000460 | ROCKER SHAFT | 3443031- | |
| 36 | YMR000173 | NUT | 3443031- | |
| 37 | YMR000168 | SCREW | 3443031- | |
| 38 | YMR000423 | STUD | 3443031- | |
| 39 | YMR000574 | NUT | 3443031- | |
| 40 | YMR000404 | SCREW | 3443031- | |
| 41 | YMR000408 | SCREW | 3443031- | |
| 42 | YMR000092 | LIFTER | 3443031- | |
| 43 | YMR000401 | BOLT | 3443031- | |
| 44 | YMR000591 | COVER | 3443031- | |
| 46 | YMR000165 | SPLASH-GUARD | 3443031- | |
| 47 | YMR000166 | PROTECTION | 3443031- | |
| 48 | YMR000389 | O-RING | 3443031- | |
| 49 | YMR000402 | BOLT | 3443031- | |
| 50 | YMR000550 | GASKET | 3443031- | |
| 51 | YMR000164 | COVER, BREATHER | 3443031- | |
| 52 | YMR000384 | O-RING | 3443031- | |
| 53 | YMR000078 | CAP, LUB. OIL SUPPLY | 3443031- | |
| 54 | YMR000167 | RETAINER | 3443031- | |
| 55 | YMR000570 | PIPE | 3443031- | |
| 56 | YMR000080 | PLUG | 3443031- | |
| 57 | YMR000382 | O-RING | 3443031- | |
| 58 | YMR000518 | CLAMP | 3443031- | |
| 59 | YMR000597 | COLLAR | 3443031- | |
| 60 | YMR000400 | BOLT PLATED | 3443031- |