| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | 37B-01-11102 | ENGINE, ASSEMBLY | ||
| 1 | YM129602-11700 | HEAD ASSEMBLY, CYLINDER | ||
| 5 | YM120130-11860 | GUIDE | ||
| 7 | YM129150-11810 | GUIDE | ||
| 9 | YM27241-400000 | PLUG | ||
| 10 | YM129005-11100 | VALVE, INTAKE | ||
| 11 | YM129100-11112 | VALVE, EXHAUST | ||
| 12 | YM129795-11120 | SPRING | ||
| 13 | YM129795-11180 | RETAINER | ||
| 14 | YM27310-080001 | COTTER | ||
| 16 | YM121400-11340 | SEAL | ||
| 17 | YM124460-11340 | SEAL | ||
| 18 | YM129150-11370 | CAP, VALVE | ||
| 19 | YM119802-11870 | PROTECTOR, NOZZLE | ||
| 20 | YM119625-11880 | SEAT, NOZZLE | ||
| 21 | YM129004-11900 | RETAINER | ||
| 22 | YM22351-060012 | PIN, SPRING | ||
| 23 | YM120270-54410 | WASHER | ||
| 24 | YM26106-080352 | BOLT, FLANGED | ||
| 25 | YM129601-11241 | SHAFT, ASSEMBLY | ||
| 26 | YM119802-11260 | SUPPORT | ||
| 27 | YM119802-11270 | SUPPORT | ||
| 28 | YM129150-11280 | SPRING | ||
| 29 | YM129601-11251 | SHAFT, ASSEMBLY | ||
| 31 | YM129004-11650 | ROCKER ARM, ASSEMBLY | ||
| 32 | YM129150-11230 | SCREW, VALVE | ||
| 34 | YM129150-11750 | NUT | ||
| 35 | YM26226-080182 | STUD | ||
| 36 | YM26106-080252 | BOLT, FLANGED | ||
| 37 | YM26106-080502 | BOLT, FLANGED | ||
| 38 | YM129601-11350 | HEAD COVER, ASSEMBLY | ||
| 39 | YM129004-03010 | PLATE | ||
| 40 | YM129150-03070 | BAFFLE | ||
| 41 | YM119802-03110 | RETAINER | ||
| 42 | YM119802-03121 | COVER | ||
| 43 | YM119802-03130 | DIAPHRAGM | ||
| 44 | YM119802-03141 | SPRING | ||
| 47 | YM129601-11310 | PACKING | ||
| 48 | YM22857-500100 | SCREW | ||
| 49 | YM22857-500100 | SCREW | ||
| 50 | YM124160-01751 | COVER, FILLER | ||
| 51 | YM24311-000320 | O-RING | ||
| 52 | YM124160-11360 | KNOB | ||
| 53 | YM24311-000120 | O-RING | ||
| 54 | YM129900-07900 | LIFTER | ||
| 55 | YM26106-080142 | BOLT, FLANGED | ||
| 56 | YM977770-01212 | GASKET, LIQUID | ||
| 57 | YM119225-11740 | ADAPTOR, OIL FILLER | ||
| 58 | YM171031-11741 | PIPE | ||
| 59 | YM119225-11750 | NUT, OIL FILLER | ||
| 60 | YM24311-000300 | O-RING | ||
| 61 | YM24311-000320 | O-RING |