US importer / certificate holder
Who actually makes Yamasaki USA Inc.?
Across every model year on record (2021–2022), Yamasaki USA Inc. engines were built by Chongqing Zongshen.
- Model years
- 2021–2022
- Engine factories
- 1
- Engine families
- 2
- Models certified
- 9
The factory
Chongqing Zongshen
Also builds engines for 24 other American brands. See the full list
Model names certified under Yamasaki USA Inc.
9 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.
YM170-10 · YM170-11 · YM170-12 · YM170-F1 · YM170-F6 · YM170-H6 · YM170-K1 · YM170-M2 · YM170-R6
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 2 China-engine certificate rows filed by Yamasaki USA Inc.. Full provenance and method.