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The Scooter Parts Registry

EPA engine family

Engine family SKTPX.169TWC

If this code is printed on your emission label, this is your machine's federal record: sold under Kt Powersports Llc., with an engine built by Zhejiang Taizhou Wangye Power, certified as ATVs.

Displacement
—
Model years
2025
Models certified
21
Certificates
1

What this record says

Sold in the US by
Kt Powersports Llc.
Engine built by
Zhejiang Taizhou Wangye Power
Vehicle category
ATVB-Meeting EPA ATV Definition
Certificate numbers
SKTPX.169TWC-002

What the number itself says

Reading SKTPX.169TWC left to right: S is the model-year letter for 2025, KTP is the three-character code the EPA assigned to Kt Powersports as certificate holder, X marks an off-road certification, .169 is the displacement in litres, so 169cc and TWC is Kt Powersports' 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 Kt Powersports submitted for this family (model TK200GK-7) carried engine code 161QML. In the Chinese engine-model convention that reads as one cylinder with a nominal 61 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 7.6 kW (about 10 hp) at 7,000 rpm, driving through a 2-speed automatic.

Engine code on test vehicle
161QML
Nominal bore (from the code)
61 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
7.6 kW (≈10 hp)
Rated speed
7,000 rpm
Transmission
2-speed automatic
Sales area
49S
Vehicle built by
Jiangsu Tiking Sports Vehicle Manufacturing Co., Ltd.
Test vehicle model
TK200GK-7

Filing history and where it was sold

Kt Powersports filed one certificate under this family, for model year 2025, sold as 49-state (not certified for sale in California).

The vehicle itself is recorded as built by Jiangsu Tiking Sports Vehicle Manufacturing Co., Ltd. in China, while the engine came from Zhejiang Taizhou Wangye Power. Chassis parts and engine parts therefore have different origins.

Certified emission levels: CO 15.8, HC 0.5, HC+NOx 0.9 g/km.

Other records carrying the same engine code

Kt Powersports certified an engine with this code under 6 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 12 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 SKTPX.169TWC

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.

TK150ATV-B · TK150ATV-C5 · TK150GK-2C · TK150GK-7A · TK150GK-7B · TK150GK-9A · TK150JP-8 · TK150LY-10 · TK200ATV-11 · TK200ATV-B · TK200ATV-C5 · TK200GK-10 · TK200GK-2C · TK200GK-6 · TK200GK-6A · TK200GK-7 · TK200GK-8 · TK200GK-9A · TK200GKA-3 · TK200GKH-2 · TK200GKL-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.