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The Scooter Parts Registry

Owner's guide

Hua Mei Motor USA: finding your numbers, your engine and your parts

You own one. Here is what the federal certification record says about who actually built it, what to look for on the machine itself, and how to search for parts when the badge gets you nowhere.

Model years
2023–2026
Engine factories
1
Engine families
47
Badges alongside
8

Who built the engine in your Hua Mei Motor USA

Hua Mei Motor USA LLC is the name on the certificate filed with the US EPA. That is the company that brought the machine into the country, not the company that built the engine. Every Hua Mei Motor USA certificate on the record names one Chinese engine factory: Zhejiang Qianjiang.

The numbers to find on the machine

Where these live depends on the shape of your machine rather than on the badge, so we do not repeat the search here — the sheets below cover it properly and are free. What matters for a Hua Mei Motor USA specifically is which number settles things: the engine family number ties your machine to a specific federal certificate rather than to a badge.

  1. The emission control information label

    Carries the engine family number. This is the strongest identifier your machine has and the one most owners have never looked at.

  2. The code stamped into the crankcase

    Survives when the label has not. It encodes cylinder count, orientation, bore and displacement class.

  3. The VIN

    Identifies the vehicle rather than the engine, and its first three characters name whoever registered it for sale.

Engine families on the record for Hua Mei Motor USA

If the label under your seat carries one of these, it is a Hua Mei Motor USA and this is the certificate it was sold under.

Engine familyModel yearsDisplacement
PHMMC.049SCA202349cc
PHMMC.135MCA2023135cc
PHMMC0.15MCA2023149cc
PHMMC0.30MCA2023296cc
PHMMC0.40MCA2023400cc
PHMMC0.40MCR2023400cc
PHMMC0.55MCA2023554cc
PHMMC0.70MCA2023698cc
PHMMC0.75MCA2023754cc
PHMMC0.80MCA2023799cc
RHMMC.049SCA202449cc
RHMMC.135MCA2024135cc
RHMMC0.15MCB2024149cc
RHMMC0.30MCB2024296cc
RHMMC0.40MCB2024400cc
RHMMC0.40MCR2024400cc
RHMMC0.55MCA2024554cc
RHMMC0.70MCA2024698cc
RHMMC0.75MCA2024754cc
RHMMC0.80MCA2024799cc
SHMMC.049SCA202549cc
SHMMC.135MCA2025135cc
SHMMC0.15MCB2025149cc
SHMMC0.25MCA2025250cc
SHMMC0.30MCB2025296cc
SHMMC0.34MCA2025343cc
SHMMC0.35MCA2025350cc
SHMMC0.40MCB2025400cc
SHMMC0.40MCR2025400cc
SHMMC0.55MCB2025554cc
SHMMC0.60MCA2025600cc
SHMMC0.80MCA2025799cc
SHMMX.577QAA2025577.3cc
SHMMX.976ATA2025976cc
THMMC.135MCA2026135cc
THMMC0.15MCB2026149cc
THMMC0.30MCB2026296cc
THMMC0.34MCA2026343cc
THMMC0.35MCA2026350cc
THMMC0.40MCB2026400cc

Showing 40 of 47. All of them on the Hua Mei Motor USA record page.

The other names to search under

8 other US brands sold machines whose engines came from the same factory at the same displacement. When a search for “Hua Mei Motor USA” returns nothing, these are the names worth trying instead.

How to search for a part

Searching the badge is searching the weakest information you have. These are built from Hua Mei Motor USA's own record, roughly strongest first — replace <part> with what you need, and add the measurement you took.

  1. 1PHMMC.049SCA <part>
  2. 249cc <part>
  3. 3Zhejiang 49cc <part>
  4. 4American Qianjiang Motorcycle, Inc. <part>
  5. 5Hua Mei Motor USA LLC <part>

The strongest search usually has no badge in it at all. An engine family number plus a measurement finds listings from sellers who have never heard of Hua Mei Motor USA, which is most of them.

Free sheets to take to the machine

Or print all fifteen at once 44 pages covering identification, measurement, records and diagnosis. Free, no account, no email.

What this page does not tell you

This record covers certificates whose engines were built in China. Hua Mei Motor USA LLC filed 56 certificate rows in total, of which 47 are covered here, about 84%. The rest had engines built elsewhere and are outside this registry's scope.

It also cannot tell you that a part fits. A shared factory is a research lead — a list of other badges worth searching under — and nothing more. These machines are assembled from several component suppliers, and those suppliers change, sometimes inside a single model year. Why that is, and how to measure instead.

Elsewhere 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. Full provenance and method.