| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | 21D-01-00020 | ENGINE, ASSY. | ||
| 1 | YM123910-03090 | PIPE | ||
| 2 | YM123900-13690 | LIFTER | ||
| 3 | YM26106-100202 | BOLT | ||
| 4 | YM723900-11100 | HEAD,ASSY. | ||
| 5 | CYLINDER HEAD | |||
| 7 | YM123900-11080 | SEAT | ||
| 8 | YM123900-11090 | SEAT | ||
| 9 | YM119000-11810 | GUIDE VALVE | ||
| 11 | YM23876-005000 | PLUG | ||
| 12 | YM27241-400000 | PLUG | ||
| 13 | YM26216-060302 | STUD | ||
| 14 | YM123900-11100 | VALVE, INLET | ||
| 15 | YM123900-11110 | VALVE EXHAUST | ||
| 16 | YM123900-11120 | SPRING | ||
| 17 | YM121850-11150 | SEAL, VALVE | ||
| 18 | YM121850-11180 | RETAINER, SPRING | ||
| 19 | YM119171-11370 | CAP VALVE | ||
| 20 | YM119625-11870 | PROTECTION, NOZZLE | ||
| 21 | YM119625-11880 | SEAT, NOZZLE | ||
| 22 | YM119625-11900 | RETAINER | ||
| 23 | YM27310-090000 | COTTER | ||
| 24 | YM26366-060002 | NUT | ||
| 25 | YM24311-000320 | O-RING | ||
| 26 | YM123900-11200 | ROCKER SHAFT, ASSY. | ||
| 27 | YM123900-11240 | ROCKER SHAFT | ||
| 28 | YM119000-11280 | SPRING | ||
| 29 | YM123900-11510 | SUPPORT | ||
| 30 | YM123900-11520 | SUPPORT | ||
| 31 | YM123900-11650 | ROCKER SHAFT, SUCTION | ||
| 32 | YM129150-11230 | SCREW | ||
| 34 | YM129150-11750 | NUT | ||
| 35 | YM123900-11660 | ROCKER SHAFT, EXHAUST | ||
| 36 | YM129150-11230 | SCREW | ||
| 38 | YM129150-11750 | NUT | ||
| 39 | YM22242-000180 | RING, SNAP | ||
| 40 | YM26577-040162 | SCREW | ||
| 41 | YM119593-11300 | BOLT | ||
| 42 | YM26106-080702 | BOLT | ||
| 43 | YM26366-080002 | NUT | ||
| 44 | YM124160-01751 | PLUG | ||
| 45 | YM123900-11331 | BONNET ASSY., HEAD | ||
| 46 | YM129150-03070 | SPLASH-GUARD | ||
| 47 | YM123900-03202 | PLATE | ||
| 48 | YM123900-03210 | GASKET | ||
| 49 | YM123900-03220 | PIPE | ||
| 51 | YM123900-11310 | GASKET | ||
| 52 | YM26022-050122 | SCREW | ||
| 53 | YM124160-11360 | PLUG | ||
| 54 | YM24311-000120 | O-RING | ||
| 55 | YM123900-07920 | LIFTER | ||
| 56 | YM26106-100252 | BOLT | ||
| 57 | YM23000-041000 | COLLAR | ||
| 58 | YM23297-350121 | RETAINER | ||
| 59 | YM26106-120202 | BOLT | ||
| 60 | YM26106-080142 | BOLT |