Engines · Off-road motorcycles, ATVs and UTVs
QJ Motor off-road motorcycles, atvs and utvs
EPA certification records list 19 off-road motorcycle, ATV and UTV engine families from QJ Motor, model years 2020–2026. Rated power ranges from 4 to 8 kW, median 8 kW. Displacement spans 169 cc to 212 cc. The most families were certified in 2026 (3).
Engine families19
Engine models2
Model years2020–2026
Power range4–8 kWmedian 8 kW
Displacement169 cc – 212 cc
Rank in category#60of 99 makers by families
Families certified per year
Technical mix
Fuel
Gas19
Configuration
419
Cylinders
1 cyl19
Most certified engine models
161Qmk-A13Jf170Flh6
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
TQJNX.169ATA | 161Qmk-A | 2026 | 169 cc | 8 kW | Gas |
TQJNX.169ATB | 161Qmk-A | 2026 | 169 cc | 8 kW | Gas |
TQJNX.212GKA | Jf170Flh | 2026 | 212 cc | 4 kW | Gas |
SQJNX.169ATA | 161Qmk-A | 2025 | 169 cc | 8 kW | Gas |
SQJNX.169ATB | 161Qmk-A | 2025 | 169 cc | 8 kW | Gas |
SQJNX.212GKA | Jf170Flh | 2025 | 212 cc | 4 kW | Gas |
RQJNX.169ATA | 161Qmk-A | 2024 | 169 cc | 8 kW | Gas |
RQJNX.169ATB | 161Qmk-A | 2024 | 169 cc | 8 kW | Gas |
RQJNX.212GKA | Jf170Flh | 2024 | 212 cc | 4 kW | Gas |
PQJNX.169ATA | 161Qmk-A | 2023 | 169 cc | 8 kW | Gas |
PQJNX.169ATB | 161Qmk-A | 2023 | 169 cc | 8 kW | Gas |
PQJNX.212GKA | Jf170Flh | 2023 | 212 cc | 4 kW | Gas |
NQJNX.169ATA | 161Qmk-A | 2022 | 169 cc | 8 kW | Gas |
NQJNX.169ATB | 161Qmk-A | 2022 | 169 cc | 8 kW | Gas |
NQJNX.212GKA | Jf170Flh | 2022 | 212 cc | 4 kW | Gas |
MQJNX.169ATA | 161Qmk-A | 2021 | 169 cc | 8 kW | Gas |
MQJNX.169ATB | 161Qmk-A | 2021 | 169 cc | 8 kW | Gas |
MQJNX.212GKA | Jf170Flh | 2021 | 212 cc | 4 kW | Gas |
LQJNX.169ATA | 161Qmk-A | 2020 | 169 cc | 8 kW | Gas |
Other off-road motorcycles, atvs and utvs makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:QJN). 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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