| Item | Part No. | Part Name | Qty | Serial No. |
| YM721000-21701 | CRANKSHAFT ASS'Y | 01258- | ||
| \3\YM721000-21700 | CRANKSHAFT ASS'Y | 01001-01257 | ||
| (YM721000-21701,YM121005-21651, | ||||
| YM121000-21591) | ||||
| 1 | \6\ | CRANKSHAFT | 01258- | |
| 1 | \6\ | CRANKSHAFT | 01001-01257 | |
| 2 | YM24190-080001 | BALL | 01001- | |
| 3 | YM22312-080160 | PIN | 01001- | |
| 4 | YM22512-070180 | KEY | 01001- | |
| YM721450-02621 | MAIN METAL A.,NO.1 | 01001- | ||
| 5 | YM121450-02170 | MAIN METAL ASS'Y,NO.1 | 01001- | |
| 6 | \6\ | CAP ASS'Y | 01001- | |
| 7 | YM121450-02071 | BOLT | 01001- | |
| YM721450-02611 | MAIN METAL A.,NO.2 | 01001- | ||
| 8 | YM121450-02160 | MAIN METAL ASS'Y,NO.2 | 01001- | |
| 9 | \6\ | CAP ASS'Y | 01001- | |
| 10 | YM121450-02071 | BOLT | 01001- | |
| 11 | YM105225-02300 | BOLT | 01001- | |
| YM721450-02500 | COVER ASS'Y | 01001- | ||
| 12 | \6\ | COVER | 01001- | |
| 13 | YM121450-02110 | METAL,MAIN, REAR | 01001- | |
| 14 | YM124085-02220 | SEAL, REAR | 01001- | |
| 15 | YM105225-02020 | O-RING | 01001- | |
| 16 | YM26013-080202 | BOLT | 01001- | |
| 17 | YM129350-21200 | GEAR | 01001- | |
| 18 | YM121450-21540 | NUT | 01001- | |
| 19 | YM121005-21651 | PULLEY,CRANK | 01258- | |
| 19 | \3\YM121005-21650 | PULLEY,CRANK | 01001-01257 | |
| (YM121005-21651,YM721000-21701, | ||||
| YM121000-21591) | ||||
| 20 | YM26776-180002 | NUT | 01001- |