Shared-engine cohort
Chongqing Zongshen 500cc and above: the American badges sharing this engine
2 American brands certified 500cc and above machines built by Chongqing Zongshen between 2012–2024 — ATVs, street-legal scooters and motorcycles. These are the machines most likely to share components with yours.
- American badges
- 2
- Model years
- 2012–2024
- Exact displacements
- 650–1052cc
- Engine families
- 4
Every badge in this cohort
| American brand | Years in this cohort | Models certified |
|---|---|---|
| Seidner Ventures, Inc. | 2024 | 19 |
| Tomcar Holding Company, LLC | 2012–2014 | 12 |
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.