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The Scooter Parts Registry

EPA engine family

Engine family 8GZHX0.15A2H

If this code is printed on your emission label, this is your machine's federal record: sold under Guangzhou Haojin (America) Co., Ltd, with an engine built by Zengcheng Haili Motorcycle Co., Ltd, certified as ATVs.

Displacement
—
Model years
2008
Models certified
20
Certificates
1

What this record says

Engine built by
Zengcheng Haili Motorcycle Co., Ltd
Vehicle category
ATVA-Meet EPA & ARB ATV Definition
Certificate numbers
8GZHX0.15A2H-002

The engine, as described on the certificate

The test vehicle Guangzhou Haojin (America) submitted for this family (model HJ150ST-1) carried engine code HJ162FMJ. In the Chinese engine-model convention that reads as one cylinder with a nominal 62 mm bore, FMJ series.

The certificate describes a four-stroke, single-cylinder engine with 2 valves per cylinder fed by carburettor, run by an ignition control module (CDI-type ignition). 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 8.5 kW (about 11 hp) at 8,000 rpm, driving through a 5-speed manual gearbox.

Engine code on test vehicle
HJ162FMJ
Nominal bore (from the code)
62 mm
Cylinders / valves
1 · 2 per cylinder
Cycle
four-stroke
Fuel delivery
carburettor
Oxygen sensor
no
Engine control
ICM
Catalytic converter
TWC, single bed, open loop
Air injection
PAIR
Rated power
8.5 kW (≈11 hp)
Rated speed
8,000 rpm
Transmission
5-speed manual gearbox
Sales area
50S
Vehicle built by
Zengcheng Haili Motorcycle Co., Ltd
Test vehicle model
HJ150ST-1

Filing history and where it was sold

Guangzhou Haojin (America) filed one certificate under this family, for model year 2008, sold as 50-state, California included.

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

Certified emission levels: CO 4.2, HC+NOx 0.4 g/km.

Other records carrying the same engine code

Guangzhou Haojin (America) certified an engine with this code under one other family number — the same engine filed again in another year, or in an off-road and a street version:

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 8GZHX0.15A2H

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.

HJ100ST-1 · HJ100ST-2 · HJ100ST-3 · HJ100ST-4 · HJ100ST-5 · HJ110ST-1 · HJ110ST-2 · HJ110ST-3 · HJ110ST-4 · HJ110ST-5 · HJ125ST-1 · HJ125ST-2 · HJ125ST-3 · HJ125ST-4 · HJ125ST-5 · HJ150ST-1 · HJ150ST-2 · HJ150ST-3 · HJ150ST-4 · HJ150ST-5

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.