Which Yamaha Motor Corporation models have a Chinese-built engine?

20 of the 918 US certificate filings on record for Yamaha Motor Corporation name an engine manufacturer in China, across 2018–2027: Chongqing Jianshe-Yamaha Motor Co., Ltd.. The rest of the range is built elsewhere and is not covered by this registry.

Will parts from another brand fit my Yamaha Motor Corporation?

A shared factory and engine size makes another brand a strong candidate, but it does not prove the part numbers match. These machines are assembled from multiple component suppliers, so measure the part you have before ordering a replacement.

US certificate holder — partial coverage

Which Yamaha Motor models have a Chinese-built engine?

20 of the 918 certificate filings on record for Yamaha Motor Corporation name a China-built engine. This page covers only those, and says nothing about the rest of the range.

Model years: 2018–2027
Engine factories: 1
Engine families: 10
Coverage: 20 of 918 filings

What the Yamaha Motor filings say about the engines

Every Yamaha Motor filing on record is carburetted — 20 certificate rows, 2018 to 2027, and not one fuel-injected engine among them.

7 of the 20 filings are 50-state (California-legal); the other 13 were 49-state only.

Rated power on the record is 2.5 kW (about 3 hp).

The vehicle builder named on every row is Chongqing Jianshe-Yamaha Motor 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

Chongqing Jianshe-Yamaha Motor Co., Ltd.
Also builds engines for 0 other American brands.

Model names certified under Yamaha Motor Corporation

15 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.

TTR50EJ · TTR50EK · TTR50EL · TTR50EM · TTR50EN · TTR50ENC · TTR50EP · TTR50EPC · TTR50ER · TTR50ERC (Cal model) · TTR50ES · TTR50ESC (Cal model) · TTR50ET · TTR50ETC (Cal model) · TTR50EV2

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 20 China-engine rows among 918 certificate rows filed by Yamaha Motor Corporation. Non-China filings are out of scope. Full provenance and method.