Shared-engine cohort
Shanghai Tong Jian Sports Equipment Co., Ltd. 150cc: the American badges sharing this engine
2 American brands certified 150cc machines built by Shanghai Tong Jian Sports Equipment Co., Ltd. between 2008–2010. These are the machines most likely to share components with yours.
- American badges
- 2
- Model years
- 2008–2010
- Exact displacements
- 149cc
- Engine families
- 4
Every badge in this cohort
| American brand | Years in this cohort | Models certified |
|---|---|---|
| Baja Inc. | 2010 | 83 |
| Hammerhead Off-Road, Inc. | 2008–2010 | 35 |
The strongest matches: same factory, same size, same year
In these model years, two or more American brands certified 150cc machines from Shanghai Tong Jian Sports Equipment Co., Ltd. simultaneously. Machines built alongside each other are the most likely to share components — though still not guaranteed to.
| Model year | Brands certified that year |
|---|---|
| 2010 | Baja Inc. · Hammerhead Off-Road, Inc. |
Related in the registry
Source. US EPA annual certification data — EPA Certified Highway Motorcycle Test Results, MY2006-present; EPA Certified Off-Road Motorcycle / ATV / UTV / Rec Vehicle, MY2006-present. Retrieved 2026-09-07. Full provenance and method.