
| Reference | Part# | Description |
| 48 | YC50-20-48 | Oil level cap M14×1.5 |
| 49 | YC50-20-49 | O-ring φ13.8×2.5 |
| 50 | YC50-20-50 | Cable clamp |
| 51 | YC50-20-51 | bolt GB5787 (M6×50) |
| 52 | YC50-20-52 | Engine start cable clamp |
| 53 | YC50-20-53 | screw GB819 (M5×8) |
| 54 | YC50-20-54 | stator |
| 55 | YC50-20-55 | bolt GB5787 (M6×22) |
| 56 | YC50-20-56 | bolt GB5783 (M5×12) |
| 57 | YC50-20-57 | nut GB6177 (M10×1.25) |
| 58 | YC50-20-58 | flywheel rotor |
| 59 | YC50-20-59 | timing chain 25H-70 |
| 60 | YC50-20-60 | rubber oil sealφ30×15×5 |
| 61 | YC50-20-61 | starter gear |
| 62 | YC50-20-62 | left chain guide |
| 63 | YC50-20-63 | oil seal φ42×30×4.5 |
| 64 | YC50-20-64 | right chain guide |
| 65 | YC50-20-65 | shock absorption |