YCF Bigy 150 (Transmission)
| Ref.No. | Part No. | Description | Quantity |
| 1 | D02K031 | MAIN SHAFT | 1 |
| 2 | D00K041 | COUNTER SHAFT | 1 |
| 3 | D00K042 | C-1 GEAR | 1 |
| 4 | A00K043 | BUSH 20×9 | 1 |
| 5 | D00K032 | M-2 GEAR | 1 |
| 6 | D00K045 | C-2 GEAR | 1 |
| 7 | D00K033 | M-3 GEAR | 1 |
| 8 | D00K046 | C-3 GEAR | 1 |
| 9 | D00K034 | M-4 GEAR | 1 |
| 10 | D00K047 | C-4 GEAR | 1 |
| 11 | D00K014 | DRIVE SPROCKET 14T | 1 |
| 12 | D00K013 | DRIVE SPROCKET FIXING PLATE | 1 |
| 13 | D00K057 | COLLAR | 1 |
| 14 | D00K058 | SPRING | 1 |
| 15 | D00K071 | GEARSHIFT DRUM LOCK PLATE | 1 |
| 16 | A00K054 | THRUST WASHER 17MM | 1 |
| 17 | A00K055 | SPLINE WASHER | 1 |
| 18 | A00K055 | SPLINE WASHER 17MM | 2 |
| 19 | A00K052 | SPLINE WASHER 20MM | 2 |
| 20 | A00K053 | EXTERNAL CIRCLIP 17MM | 2 |
| 21 | D00K056 | CIRCLIP 20MM | 2 |
| 22 | D001C008 | OIL SEAL 17×29×5 | 1 |
| 23 | 578306008 | HEX BOLT 6×8 | 2 |
| 24 | 2766001 | BEARING，RADIAL，6001 | 1 |
| 25 | 2766201 | BEARING，RADIAL，6201 | 1 |
| 26 | 2766203 | BEARING，RADIAL，6203 | 2 |
