US importer / certificate holder
Who actually makes Marathon Motors, LLC?
Across every model year on record (2007), Marathon Motors, LLC engines were built by Ghangzhou Dayang Motorcycle Co., Ltd..
- Model years
- 2007
- Engine factories
- 1
- Engine families
- 1
- Models certified
- 1
What the Marathon Motors filings say about the engines
Every Marathon Motors filing on record is carburetted — 1 certificate row, 2007, and not one fuel-injected engine among them.
None of the 1 filings is a 50-state certification: these were sold as 49-state machines, not certified for California.
Rated power on the record is 2.2 kW (about 3 hp).
The vehicle builder named on every row is Ghangzhou Dayang Motorcycle Co., Ltd.
Each figure is read straight off the EPA certificate rows; the per-family pages below carry the full breakdown for every engine family.
The factory
Ghangzhou Dayang Motorcycle Co., Ltd.
Also builds engines for 0 other American brands.
Model names certified under Marathon Motors, LLC
1 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.
Cabrio FC50QT
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 1 China-engine certificate rows filed by Marathon Motors, LLC. Full provenance and method.