Chinese engine factory
Taizhou Huangyan Motorcycle LLC: every American brand built here
Federal certification records name Taizhou Huangyan Motorcycle LLC as the engine manufacturer behind 2 American powersports brands, covering street-legal scooters and motorcycles. Here is the full list, model year by model year.
- US brands
- 2
- Model years
- 2016–2025
- Engine families
- 15
- Displacement
- 49.4–149.6cc
American brands supplied by Taizhou Huangyan Motorcycle LLC
| US brand (certificate holder) | Model years | Engine families | Models certified |
|---|---|---|---|
| Dongfang Motor, Inc. | 2010–2026 | 57 | 131 |
| Sunyee Sports Inc. | 2019–2026 | 31 | 32 |
How this factory appears in the raw federal record
Each importer types the factory name into the certification form by hand, so one factory arrives in the data as many different companies. These 2 strings were reconciled into the single entry above.
- Taizhou Huangyan Motorcycle Co., Ltd.
- Taizhou Huangyan Motorcycle LLC
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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. This page describes 22 certificate records naming Taizhou Huangyan Motorcycle LLC. Full provenance and method.