| \0 | 37C-01-11201 | ENGINE, ASSY. | |
| \0 | 37C-01-11202 | ENGINE, ASSY. | |
| 1 | YM129908-21000 | CRANKSHAFT, ASSY. | |
| 4 | YM129900-21200 | GEAR | |
| 5 | YM121850-21290 | PARALLEL PIN | |
| 6 | YM121850-21920 | PARALLEL PIN | |
| 7 | YM22512-070140 | KEY | |
| 8 | YM129900-21640 | WASHER | |
| 9 | YM129900-21660 | PULLEY | |
| 10 | YM121850-21680 | BOLT | |
| 11 | YM121850-21130 | SCREW | |
| 12 | YM129900-21580 | FLYWHEEL | |
| 15 | YM129900-21600 | GEAR, RING | |
| 16 | YM129908-22080 | PISTON, ASSY. | |
| 16 | YM729908-22900 | ASSY, PISTON (+0.25 mm) | |
| 18 | YM129907-22050 | RING SET, PISTON | |
| 18 | YM729907-22950 | RING SET (+0.25 mm) | |
| 22 | YM120130-22301 | PIN | |
| 23 | YM22252-000300 | CIRCLIP | |
| 24 | YM129900-23000 | CONNECTING ROD, ASSY. | |
| 28 | YM129900-23910 | BUSHING | |
| 29 | YM129900-23200 | SCREW | |
| 30 | YM129900-23600 | BEARING | |
| 30 | YM129900-23610 | BEARING (--0.25 mm) |
