| Item | Part No. | Part Name | Qty | Serial No. |
| YM721500-21700 | CRANKSHAFT ASS'Y | 01001- | ||
| 1 | \6\ | CRANKSHAFT | 01001- | |
| 2 | YM27221-060140 | PLUG | 01001- | |
| 3 | YM22312-080160 | PIN | 01001- | |
| 4 | YM22512-070180 | KEY | 01001- | |
| YM721550-02620 | MAIN METAL ASS'Y,NO.1 | 01001- | ||
| 5 | YM721550-02810 | MAIN METAL ASS'Y | 01001- | |
| 5 | \6\ | METAL | 01001- | |
| 6 | \6\ | CAP ASS'Y | 01001- | |
| 7 | YM121250-02070 | BOLT | 01001- | |
| YM721550-02610 | MAIN METAL ASS'Y,NO.2 | 01001- | ||
| 8 | YM721550-02800 | MAIN METAL ASS'Y | 01001- | |
| 8 | \6\ | METAL | 01001- | |
| 9 | \6\ | CAP ASS'Y | 01001- | |
| 10 | YM121250-02070 | BOLT | 01001- | |
| 11 | YM121550-02300 | BOLT | 01001- | |
| YM721550-02500 | COVER ASS'Y | 01001- | ||
| 12 | \6\ | COVER | 01001- | |
| 13 | YM121550-02110 | METAL | 01001- | |
| 14 | YM121551-02220 | SEAL, REAR | 01001- | |
| 15 | YM24341-001350 | O-RING | 01001- | |
| 16 | YM26013-080202 | BOLT | 01001- | |
| 17 | YM121023-21200 | GEAR | 01001- | |
| 18 | YM22351-040008 | PIN | 01001- | |
| 19 | YM121450-21540 | NUT | 01001- | |
| 20 | YM121500-21652 | PULLEY | 01001- | |
| 21 | YM26776-180002 | NUT | 01001- |