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The Scooter Parts Registry

EPA engine family

Engine family LJAJC.049S4B

If this code is printed on your emission label, this is your machine's federal record: sold under Jiajue U.S.A. LLC, with an engine built by Zhejiang Jiajue, certified as street-legal scooters and motorcycles.

Displacement
49cc
Model years
2020
Models certified
15
Certificates
1

What this record says

Sold in the US by
Jiajue U.S.A. LLC
Engine built by
Zhejiang Jiajue
Vehicle category
Highway Motorcycle - Ia (<50cc)
Certificate numbers
LJAJC.049S4B-001

Models certified under LJAJC.049S4B

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.

BOLT · Beast · Breeze · Havoc · JJ50QT-13 · JJ50QT-17 · JJ50QT-21 · JJ50QT-22 · JJ50QT-23 · JJ50QT-32 · JJ50QT-40 · JJ50QT-6 · Prime · Scorch · Sprint

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.