Jolly Motor motorcycle engines
EPA certification records list 16 highway motorcycle engine families from Jolly Motor, model years 2020–2026. Rated power ranges from 2 to 10 kW, median 6 kW. All listed families displace 49 cc. The most families were certified in 2026 (3).
Engine families16
Engine models3
Model years2020–2026
Power range2–10 kWmedian 6 kW
Displacement49 cc – 49 cc
Rank in category#66of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas16
Configuration
416
Cylinders
1 cyl16
Most certified engine models
157Qmj7139Qmi61P63Qmk3
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
TJMLC.049MC1 | 139Qmi | 2026 | 49 cc | 2 kW | Gas |
TJMLC.180MCA | 1P63Qmk | 2026 | — | 10 kW | Gas |
TJMLC0.15MC1 | 157Qmj | 2026 | — | 6 kW | Gas |
SJMLC.049MC1 | 139Qmi | 2025 | 49 cc | 2 kW | Gas |
SJMLC.180MCA | 1P63Qmk | 2025 | — | 10 kW | Gas |
SJMLC0.15MC1 | 157Qmj | 2025 | — | 6 kW | Gas |
RJMLC.049MC1 | 139Qmi | 2024 | 49 cc | 2 kW | Gas |
RJMLC.180MCA | 1P63Qmk | 2024 | — | 10 kW | Gas |
RJMLC0.15MC1 | 157Qmj | 2024 | — | 6 kW | Gas |
PJMLC.049MC1 | 139Qmi | 2023 | 49 cc | 2 kW | Gas |
PJMLC0.15MC1 | 157Qmj | 2023 | — | 6 kW | Gas |
NJMLC.049MC1 | 139Qmi | 2022 | 49 cc | 2 kW | Gas |
NJMLC0.15MC1 | 157Qmj | 2022 | — | 6 kW | Gas |
MJMLC.049MC1 | 139Qmi | 2021 | 49 cc | 2 kW | Gas |
MJMLC0.15MC1 | 157Qmj | 2021 | — | 6 kW | Gas |
LJMLC0.15MC1 | 157Qmj | 2020 | — | 6 kW | Gas |
Other motorcycle engines makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:JML). An engine family is a group of engines certified together; one family can cover several power ratings.
Engine calculators
Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration
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