Engine family PLANX.125LMA

What this record says

Sold in the US by

Lianmei LLC

Engine built by

Chongqing Loncin

Vehicle category

All Terrain Vehicle

Certificate numbers

PLANX.125LMA-001

What the number itself says

Reading PLANX.125LMA left to right: P is the model-year letter for 2023, LAN is the three-character code the EPA assigned to Lianmei as certificate holder, X marks an off-road certification, .125 is the displacement in litres, so 125cc and LMA is Lianmei's 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 Lianmei submitted for this family (model LMATV-125) carried engine code LX152FMI. In the Chinese engine-model convention that reads as one cylinder with a nominal 52 mm bore, FMI series.

The certificate describes a four-stroke, single-cylinder engine with 2 valves per cylinder fed by carburettor. There is a catalytic converter in the exhaust, recorded as "TWC, single bed, open loop". The head carries a pulse secondary-air (PAIR) valve.

Rated power on the record is 5.5 kW (about 7 hp) at 7,000 rpm, driving through an automatic.

Engine code on test vehicle

LX152FMI

Nominal bore (from the code)

52 mm

Cylinders / valves

1 · 2 per cylinder

Cycle

four-stroke

Fuel delivery

carburettor

Oxygen sensor

no

Engine control

other

Catalytic converter

TWC, single bed, open loop

Air injection

PAIR

Rated power

5.5 kW (≈7 hp)

Rated speed

7,000 rpm

Transmission

automatic

Sales area

49S

Vehicle built by

Zhejiang Lianmei Industrial Co., Ltd.

Test vehicle model

LMATV-125

Filing history and where it was sold

Lianmei filed one certificate under this family, for model year 2023, sold as 49-state (not certified for sale in California).

The vehicle itself is recorded as built by Zhejiang Lianmei Industrial Co., Ltd. in China, while the engine came from Chongqing Loncin. Chassis parts and engine parts therefore have different origins.

Certified emission levels: CO 6.4, HC 1.0, HC+NOx 1.2 g/km.

Other records carrying the same engine code

Lianmei certified an engine with this code under 3 other family numbers — the same engine filed again in another year, or in an off-road and a street version:

• RLANX.125LMA (2024)
• SLANX.125LMA (2025)
• TLANX.125LMA (2026)

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 PLANX.125LMA

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.

LMATV-110 · LMATV-110B · LMATV-110DG · LMATV-110E · LMATV-110G · LMATV-110M · LMATV-110P · LMATV-110W · LMATV-125 · LMATV-125E · LMATV-125G · LMATV-125HM · LMATV-125M · LMATV-125V · LMATV-125Z · LMGK-110 · LMGK-125