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The Scooter Parts Registry

US certificate holder — partial coverage

Which Unison Investment Co. models have a Chinese-built engine?

1 of the 6 certificate filings on record for Unison Investment Co., Inc. Dba Unison Motors name a China-built engine. This page covers only those, and says nothing about the rest of the range.

Model years
2007
Engine factories
1
Engine families
1
Coverage
1 of 6 filings

What the Unison Investment Co. filings say about the engines

Every Unison Investment Co. filing on record is carburetted — 1 certificate row, 2007, and not one fuel-injected engine among them.

All 1 filings are 50-state certifications, so every one of these machines was certified for sale in California.

The vehicle builder named on every row is Armstrong Industry Corporation.

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 behind the China-engine models

  • Armstrong Industry Corporation

    Also builds engines for 0 other American brands.

Model names certified under Unison Investment Co., Inc. Dba Unison Motors

1 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.

Rage 250

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 1 China-engine rows among 6 certificate rows filed by Unison Investment Co., Inc. dba Unison Motors. Non-China filings are out of scope. Full provenance and method.