Who actually makes Jolly Motor LLC?

What the Jolly Motor filings say about the engines

Jolly Motor's filings mix carburettors and fuel injection: 13 rows carburetted, 3 injected. The first injected family appears in 2024; in 2026 the split was 2 carburetted to 1 injected. Check which you have before buying anything on the fuel side.

The engine codes on Jolly Motor's test vehicles —3 distinct across the filings — are led by 157QMJ, 139QMI and 1P63QMK. The code is stamped on the crankcase and is a better search term than the badge.

4 of the 16 filings are 50-state (California-legal); the other 12 were 49-state only.

Rated power across the range runs from 1.7 kW to 10 kW (about 2 to 13 hp).

The vehicle builder named on every row is Taizhou City Senglong Motorcycle Manufacture Co.Ltd.

Each figure is read straight off the EPA certificate rows; the per-family pages below carry the full breakdown for every engine family.

The factory

• Taizhou City Senglong Motorcycle Manufacture Co.Ltd

  Also builds engines for 0 other American brands.

Model names certified under Jolly Motor LLC

30 distinct model designations appear on this brand's certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.

YB150T-10 · YB150T-12 · YB150T-13 · YB150T-14 · YB150T-15 · YB150T-5 · YB150T-6 · YB150T-7 · YB150T-8 · YB150T-9 · YB200T-10 · YB200T-12 · YB200T-13 · YB200T-14 · YB200T-15 · YB200T-5 · YB200T-6 · YB200T-7 · YB200T-8 · YB200T-9 · YB50QT-10 · YB50QT-11 · YB50QT-2 · YB50QT-3 · YB50QT-4 · YB50QT-5 · YB50QT-6 · YB50QT-7 · YB50QT-8 · YB50QT-9