Item | Part No. | Part Name | Qty | Serial No. |
| | ENGINE (SEE FIG. A0001-0100) | | |
1 | YM129900-07900 | LIFT, ENGINE | | |
2 | YM26106-080162 | BOLT | | |
3 | YM123907-11550 | SEAT | | |
| YM129908-11700 | HEAD, CYLINDER | | |
4 | (NSS) | HEAD | | |
5 | YM129907-11800 | GUIDE, VALVE | | |
6 | YM123907-11820 | GUIDE, VALVE | | |
7 | YM23876-020000 | PLUG | | |
8 | YM23876-030000 | PLUG | | |
9 | YM27241-400000 | PLUG | | |
10 | YM129907-11110 | VALVE, EXHAUST | | |
11 | YM129907-11120 | SPRING, VALVE | | |
12 | YM119620-11180 | RETAINER, SPRING | | |
13 | YM124160-11340 | SEAL, VALVE INTAKE | | |
14 | YM124950-11340 | SEAL, VALVE EXHAUST | | |
| YM129907-11510 | RETAINER, VALVE | | |
15 | (NSS) | RETAINER | | |
16 | YM129150-11750 | NUT | | |
17 | YM123907-11830 | SCREW | | |
18 | YM27310-070001 | COLLET | | |
19 | YM129907-11100 | VALVE, INTAKE | | |
20 | YM123912-07900 | LIFT, ENGINE | | |
21 | YM119802-11870 | PROTECTION, NOZZLE | | |
22 | YM119625-11880 | SEAT, NOZZLE | | |
23 | YM26106-080222 | BOLT | | |
24 | YM24311-000120 | O-RING | | |
25 | | BREATHER (SEE FIG. A0002-0103) | | |
26 | | BOLT, HEAD (SEE FIG. A0005-0100) | | |