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The Scooter Parts Registry

US certificate holder — partial coverage

Which U-Storm Power models have a Chinese-built engine?

24 of the 41 certificate filings on record for U-Storm Power Corporation name a China-built engine. This page covers only those, and says nothing about the rest of the range.

Model years
2018–2026
Engine factories
4
Engine families
17
Coverage
24 of 41 filings

What the U-Storm Power filings say about the engines

U-Storm Power's filings mix carburettors and fuel injection: 3 rows carburetted, 21 injected. The first injected family appears in 2018; in 2026 the split was 0 carburetted to 2 injected. Check which you have before buying anything on the fuel side.

The engine codes on U-Storm Power's test vehicles —5 distinct across the filings — are led by 2V91MW, 2V91W-A, CF196S-B, JL1P73MN-4 and JL1P57QMJ-3. The code is stamped on the crankcase and is a better search term than the badge.

None of the 24 filings is a 50-state certification: these were sold as 49-state machines, not certified for California.

Rated power across the range runs from 6.8 kW to 46 kW (about 9 to 62 hp).

The vehicle builders named are Zhejiang Applestone Vehicle Co., Ltd. and Zhejiang Applestone Vehicle Co., Ltd — the chassis and the engine do not always share a source.

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 changed. Here is when.

Engine manufacturer by model year, from the certification record
Model yearEngine factory on the certificate
2026Zhejiang Chunfeng Power Co.,Ltd
2025Zhejiang Chunfeng Power Co.,Ltd
2024Zhejiang Chunfeng Power Co.,Ltd
2023Zhejiang Chunfeng Power Co.,Ltd
2022Shandong Liangzi Power
2021Shandong Liangzi Power · Zhejiang Jinlang
2020Shandong Liangzi Power · Zhejiang Jinlang
2019Shandong Liangzi Power · Zhejiang CFMOTO Power Co., Ltd. · Zhejiang Jinlang
2018Shandong Liangzi Power · Zhejiang CFMOTO Power Co., Ltd.

Other American badges on the same engines

These machines came out of the same factory at the same engine size. If U-Storm Power Corporation parts are hard to find, these are where to look next — after measuring.

Model names certified under U-Storm Power Corporation

19 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.

AP08ATV · AP08GK · AP300GK · AP300J · AP800L2 · AP800L5 · AP800M2 · AP800M5 · APA150 · APG150 · APU06E · APU06EL · APU08E · APU08EL · APU150 · BMS 800 · BMS RANCH PONY 600 F2 · BMS RANCH PONY 600 F4 · BMS RANCH PONY 800 F2

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 24 China-engine rows among 41 certificate rows filed by U-Storm Power Corporation. Non-China filings are out of scope. Full provenance and method.