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The Scooter Parts Registry

EPA engine family

Engine family KHSNX.976UTV

If this code is printed on your emission label, this is your machine's federal record: sold under Hisun Motors Corp., U.S.A., with an engine built by Chongqing Huansong, certified as ATVs.

Displacement
—
Model years
2019
Models certified
19
Certificates
1

What this record says

Sold in the US by
Hisun Motors Corp., U.S.A.
Engine built by
Chongqing Huansong
Vehicle category
ATVB-Meeting EPA ATV Definition
Certificate numbers
KHSNX.976UTV-011

What the number itself says

Reading KHSNX.976UTV left to right: K is the model-year letter for 2019, HSN is the three-character code the EPA assigned to Hisun Motors Corp., U.S.A. as certificate holder, X marks an off-road certification, .976 is the displacement in litres, so 976cc and UTV is Hisun Motors Corp., U.S.A.'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 Hisun Motors Corp., U.S.A. submitted for this family (model HS1000UTV-3) carried engine code HS2V91MY. In the Chinese engine-model convention that reads as 2 cylinders, V configuration, with a nominal 91 mm bore, MY series.

The certificate describes a four-stroke, twin-cylinder engine with 4 valves per cylinder fed by sequential multi-port fuel injection, with an oxygen sensor for closed-loop fuelling, run by an engine control module (ECM). There is a catalytic converter in the exhaust, recorded as "Three Way Catalyst (TWC), single-bed, closed-loop warm up".

Rated power on the record is 46.4 kW (about 62 hp) at 7,000 rpm, driving through a CVT (belt and variator).

Engine code on test vehicle
HS2V91MY
Nominal bore (from the code)
91 mm
Cylinders / valves
2 · 4 per cylinder
Cycle
four-stroke
Fuel delivery
sequential multi-port fuel injection
Oxygen sensor
yes (closed loop)
Engine control
ECM
Catalytic converter
Three Way Catalyst (TWC), single-bed, closed-loop warm up
Rated power
46.4 kW (≈62 hp)
Rated speed
7,000 rpm
Transmission
CVT (belt and variator)
Sales area
49S
Vehicle built by
Chongqing Huansong Science and Technology Industrial Co., Ltd.
Test vehicle model
HS1000UTV-3

Filing history and where it was sold

Hisun Motors Corp., U.S.A. filed one certificate under this family, for model year 2019, sold as 49-state (not certified for sale in California).

The vehicle itself is recorded as built by the same company, Chongqing Huansong Science and Technology Industrial Co., Ltd. in China — engine and chassis from one source.

Certified emission levels: CO 3.7, HC+NOx 0.2 g/km.

Other records carrying the same engine code

Hisun Motors Corp., U.S.A. certified an engine with this code under 15 other family numbers — 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 KHSNX.976UTV

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.

Coleman UT1000 · HS1000UTV · HS1000UTV-2 · HS1000UTV-3 · HS1000UTV-4 · HS900UTV · HS900UTV-2 · HS900UTV-3 · HS900UTV-4 · HS900UTV-5 · Outfitter 1000 · Outfitter 1000 Sport · Outfitter 1000 Sport Crew · Sector 1000 · Sector 1000 Crew · Strike 1000 · Strike 1000 Crew · Strike 900 · Vector 1000

Other American badges on engines from the same factory

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.