US certificate holder — partial coverage
Which Keeway America models have a Chinese-built engine?
1 of the 52 certificate filings on record for Keeway America LLC 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 52 filings
What the Keeway America filings say about the engines
Every Keeway America 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.
Rated power on the record is 5.5 kW (about 7 hp).
The vehicle builder named on every row is Wenling Zhensheng Machinery 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 behind the China-engine models
Wenling Zhensheng Machinery Co., Ltd.
Also builds engines for 0 other American brands.
Model names certified under Keeway America LLC
4 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.
ZS125-A · ZS125-B · ZS150-A · ZS150-B
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 52 certificate rows filed by Keeway America LLC. Non-China filings are out of scope. Full provenance and method.