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The Scooter Parts Registry

EPA engine family

Engine family KRAYX.177CR2

If this code is printed on your emission label, this is your machine's federal record: sold under Raytech USA LLC, with an engine built by Jinhua Longtime Power Co., Ltd, certified as ATVs and UTVs and side-by-sides.

Displacement
—
Model years
2019
Models certified
16
Certificates
1

What this record says

Sold in the US by
Raytech USA LLC
Engine built by
Jinhua Longtime Power Co., Ltd.
Vehicle category
ATVB & UTV - EPA only
Certificate numbers
KRAYX.177CR2-002

What the number itself says

Reading KRAYX.177CR2 left to right: K is the model-year letter for 2019, RAY is the three-character code the EPA assigned to Raytech USA as certificate holder, X marks an off-road certification, .177 is the displacement in litres, so 177cc and CR2 is Raytech USA'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 Raytech USA submitted for this family (model GKA200-1) carried engine code 1P63QML. In the Chinese engine-model convention that reads as one cylinder, horizontal (flat) cylinder, with a nominal 63 mm bore, QML 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 9.1 kW (about 12 hp) at 7,500 rpm, driving through a 2-speed manual gearbox.

Engine code on test vehicle
1P63QML
Nominal bore (from the code)
63 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
9.1 kW (≈12 hp)
Rated speed
7,500 rpm
Transmission
2-speed manual gearbox
Sales area
49S
Vehicle built by
Raytech (Qingdao) Power Science and Technology Co., Ltd.
Test vehicle model
GKA200-1

Filing history and where it was sold

Raytech USA 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 Raytech (Qingdao) Power Science and Technology Co., Ltd. in China, while the engine came from Jinhua Longtime Power Co., Ltd. Chassis parts and engine parts therefore have different origins.

Certified emission levels: CO 2.7, HC 0.3, HC+NOx 1.3 g/km.

Other records carrying the same engine code

Raytech USA 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:

Other certificate holders whose test vehicle carried the same engine code (10 of 21 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 KRAYX.177CR2

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.

CRT150-1 · CRT150-2 · CRT150-4 · CRT150-6 · CRT200-1 · CRT200-2 · CRT200-4 · CRT200-6 · GKA150-1 · GKA150-3 · GKA150-4 · GKA200-1 · GKA200-3 · GKA200-4 · UTV150-1 · UTV200-1

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.