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The Scooter Parts Registry

US certificate holder — partial coverage

Which United Motors of America models have a Chinese-built engine?

12 of the 22 certificate filings on record for United Motors of America Inc. name a China-built engine. This page covers only those, and says nothing about the rest of the range.

Model years
2007–2009
Engine factories
2
Engine families
10
Coverage
12 of 22 filings

The factory changed. Here is when.

Engine manufacturer by model year, from the certification record
Model yearEngine factory on the certificate
2009Zhejiang Taizhou Wangye Power
2008Skyteam Corp. Ltd. · Zhejiang Taizhou Wangye Power
2007Skyteam Corp. Ltd.

Other American badges on the same engines

These machines came out of the same factory at the same engine size. If United Motors of America Inc. parts are hard to find, these are where to look next — after measuring.

Model names certified under United Motors of America Inc.

10 distinct model designations appear on this brand's China-engine certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.

DTF 110 · DTF 150 · DTF 50 · DTF 90 · GP1-R 150 · GP1-R 170 · Matrix II 150 · Matrix II 170 · Powermax 150 · Powermax 170

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 the 12 China-engine rows among 22 certificate rows filed by United Motors of America Inc.. Non-China filings are out of scope. Full provenance and method.