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The Scooter Parts Registry

EPA engine family

Engine family MAPOX.124VA1

If this code is printed on your emission label, this is your machine's federal record: sold under Apollo Power Sports Inc., with an engine built by Zhejiang Apollo Motorcycle Manufacturer Co., Ltd, certified as ATVs.

Displacement
—
Model years
2021
Models certified
39
Certificates
1

What this record says

Sold in the US by
Apollo Power Sports Inc.
Engine built by
Zhejiang Apollo Motorcycle Manufacturer Co., Ltd.
Vehicle category
ATVA-Meet EPA & ARB ATV Definition
Certificate numbers
MAPOX.124VA1-001

What the number itself says

Reading MAPOX.124VA1 left to right: M is the model-year letter for 2021, APO is the three-character code the EPA assigned to Apollo Power Sports as certificate holder, X marks an off-road certification, .124 is the displacement in litres, so 124cc and VA1 is Apollo Power Sports' own sequence for that year. Nothing in the number names the factory — that comes from the certificate itself.

The engine, as described on the certificate

The test vehicle Apollo Power Sports submitted for this family (model VRX125-6) carried engine code 154FMI. In the Chinese engine-model convention that reads as one cylinder with a nominal 54 mm bore, FMI series.

The certificate describes a four-stroke, single-cylinder engine with 2 valves per cylinder fed by carburettor. No catalytic converter is listed.

Rated power on the record is 5.8 kW (about 8 hp) at 8,000 rpm, driving through a 3-speed automatic.

Engine code on test vehicle
154FMI
Nominal bore (from the code)
54 mm
Cylinders / valves
1 · 2 per cylinder
Cycle
four-stroke
Fuel delivery
carburettor
Oxygen sensor
no
Engine control
other
Catalytic converter
none listed
Rated power
5.8 kW (≈8 hp)
Rated speed
8,000 rpm
Transmission
3-speed automatic
Sales area
49S
Vehicle built by
Zhejiang Apollo Motorcycle Manufacturer Co., Ltd.
Test vehicle model
VRX125-6

Filing history and where it was sold

Apollo Power Sports filed one certificate under this family, for model year 2021, sold as 49-state (not certified for sale in California).

The vehicle itself is recorded as built by the same company, Zhejiang Apollo Motorcycle Manufacturer Co., Ltd. in China — engine and chassis from one source.

Certified emission levels: CO 5.4, HC+NOx 0.8 g/km.

Other records carrying the same engine code

Apollo Power Sports certified an engine with this code under 12 other family numbers — the same engine filed again in another year, or in an off-road and a street version:

Other certificate holders whose test vehicle carried the same engine code (10 of 161 shown):

A shared code from the same factory is a strong search lead. From a different factory it is as often a naming coincidence. Either way it narrows the search; it does not settle it — measure before you buy.

Models certified under MAPOX.124VA1

Every model designation the importer listed on this certificate. If your machine's model name appears here, this is the right record — even if the name on the bodywork is slightly different.

VRX110-10 · VRX110-10-A1 · VRX110-2 · VRX110-2-A1 · VRX110-3 · VRX110-3-A1 · VRX110-4 · VRX110-4-A1 · VRX110-5 · VRX110-5-A1 · VRX110-7 · VRX110-7-A1 · VRX110-9 · VRX110-9-A1 · VRX120-11 · VRX120-11-A1 · VRX120-12 · VRX120-12-A1 · VRX120-2 · VRX120-2-A1 · VRX120-6 · VRX120-6-A1 · VRX120-7 · VRX120-7-A1 · VRX120-9 · VRX120-9-A1 · VRX125 · VRX125-11 · VRX125-11-A1 · VRX125-12 · VRX125-12-A1 · VRX125-2 · VRX125-2-A1 · VRX125-6 · VRX125-6-A1 · VRX125-7 · VRX125-7-A1 · VRX125-9 · VRX125-9-A1

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. Full provenance and method.