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The Scooter Parts Registry

EPA engine family

Engine family JVTCX.124TWB

If this code is printed on your emission label, this is your machine's federal record: sold under Vitacci Motorcycles, Inc., with an engine built by Chongqing Chixiang Motorcycle Manufacture Co., Ltd.

Displacement
—
Model years
2018
Models certified
15
Certificates
1

What this record says

Sold in the US by
Vitacci Motorcycles, Inc.
Engine built by
Chongqing Chixiang Motorcycle Manufacture Co., Ltd.
Vehicle category
All Terrain Vehicle
Certificate numbers
JVTCX.124TWB-001

What the number itself says

Reading JVTCX.124TWB left to right: J is the model-year letter for 2018, VTC is the three-character code the EPA assigned to Vitacci Motorcycles as certificate holder, X marks an off-road certification, .124 is the displacement in litres, so 124cc and TWB is Vitacci Motorcycles' 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 Vitacci Motorcycles submitted for this family (model TK125GK-2) carried engine code 154FMI. In the Chinese engine-model convention that reads as one cylinder with a nominal 54 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".

Rated power on the record is 6.3 kW (about 8 hp) at 7,500 rpm, driving through a 4-speed automatic.

Engine code on test vehicle
154FMI
Nominal bore (from the code)
54 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
Rated power
6.3 kW (≈8 hp)
Rated speed
7,500 rpm
Transmission
4-speed automatic
Sales area
49S
Vehicle built by
Jiangsu Tiking Sports Vehicle Manufacturing Co., Ltd.
Test vehicle model
TK125GK-2

Filing history and where it was sold

Vitacci Motorcycles filed one certificate under this family, for model year 2018, 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 Chongqing Chixiang Motorcycle Manufacture Co., Ltd. Chassis parts and engine parts therefore have different origins.

Certified emission levels: CO 9.0, HC 0.6, HC+NOx 0.8 g/km.

Other records carrying the same engine code

Vitacci Motorcycles certified an engine with this code under 5 other family numbers — the same engine filed again in another year, or in an off-road and a street version:

  • GVTCX.124TWB (2016)
  • HVTCX.124TWB (2017)
  • JVTCX.124ATA (2018)
  • KVTCX.124ATA (2019)
  • LVTCX.124ATA (2020)

Other certificate holders whose test vehicle carried the same engine code (10 of 168 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 JVTCX.124TWB

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.

TK110ATV-1 · TK110ATV-2 · TK110ATV-8 · TK110GK-2A · TK110GK-3A · TK125ATV-2 · TK125ATV-3 · TK125ATV-6 · TK125ATV-7 · TK125ATV-8 · TK125ATV-9 · TK125GK-2 · TK125GK-2A · TK125GK-3A · TK125GK-7

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.