US importer / certificate holder
Who actually makes Stark Group LLC?
Across every model year on record (2023–2026), Stark Group LLC engines were built by Chongqing Rato Technology Co., Ltd..
- Model years
- 2023–2026
- Engine factories
- 1
- Engine families
- 4
- Models certified
- 2
The factory
Chongqing Rato Technology Co., Ltd.
Also builds engines for 3 other American brands. See the full list
Other American badges on the same engines
These machines came out of the same factory at the same engine size. If Stark Group LLC parts are hard to find, these are where to look next — after measuring.
Model names certified under Stark Group LLC
2 distinct model designations appear on this brand's certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.
DP-146 · DP-148
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. Based on 4 China-engine certificate rows filed by Stark Group LLC. Full provenance and method.