Engines · Off-road motorcycles, ATVs and UTVs
American Lifan off-road motorcycles, atvs and utvs
EPA certification records list 23 off-road motorcycle, ATV and UTV engine families from American Lifan, model years 2007–2010. Rated power ranges from 2 to 18 kW, median 5 kW. Displacement spans 49 cc to 401 cc. The most families were certified in 2010 (6).
Engine families23
Engine models9
Model years2007–2010
Power range2–18 kWmedian 5 kW
Displacement49 cc – 401 cc
Rank in category#49of 99 makers by families
Families certified per year
Technical mix
Fuel
Gas23
Configuration
423
Cylinders
1 cyl23
Most certified engine models
50S6Lfn5Sin3Lfnx-072-0072Lfnx-Atv-0072Lfn-107-Db0032Single Cylinder1Lfn-Atv-2491Lfnx-097-021
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
ALFNX0.05JNK | 50S | 2010 | 72 cc | 3 kW | Gas |
ALFNX0.05NFG | 50S | 2010 | 49 cc | 2 kW | Gas |
ALFNX0.07NFG | 50S | 2010 | 107 cc | 4 kW | Gas |
ALFNX0.12NFG | 50S | 2010 | 149 cc | 6 kW | Gas |
ALFNX0.25NFG | 50S | 2010 | 249 cc | 12 kW | Gas |
ALFNX0.40NFG | 50S | 2010 | 401 cc | 18 kW | Gas |
9LFNX0.05JNK | Lfn | 2009 | 72 cc | 3 kW | Gas |
9LFNX0.05NFG | Sin | 2009 | 49 cc | 2 kW | Gas |
9LFNX0.07NFG | Lfn | 2009 | 107 cc | 4 kW | Gas |
9LFNX0.12NFG | Lfn | 2009 | 149 cc | 6 kW | Gas |
9LFNX0.25NFG | Lfn | 2009 | 249 cc | 12 kW | Gas |
9LFNX0.40NFG | Sin | 2009 | 401 cc | 18 kW | Gas |
8LFNX0.05JNK | Lfnx-072-007 | 2008 | 72 cc | 3 kW | Gas |
8LFNX0.05NFG | Sin | 2008 | 49 cc | 2 kW | Gas |
8LFNX0.07NFG | Lfn-107-Db003 | 2008 | 107 cc | 4 kW | Gas |
8LFNX0.12NFG | Lfnx-Atv-007 | 2008 | 149 cc | 6 kW | Gas |
8LFNX0.25NFG | Lfn | 2008 | 249 cc | 12 kW | Gas |
8LFNX0.40NFG | Single Cylinder | 2008 | 401 cc | 18 kW | Gas |
7LFNX0.05JNK | Lfnx-072-007 | 2007 | 72 cc | 3 kW | Gas |
7LFNX0.07NFG | Lfn-107-Db003 | 2007 | 107 cc | 4 kW | Gas |
7LFNX0.10NFG | Lfnx-097-02 | 2007 | 97 cc | 5 kW | Gas |
7LFNX0.12NFG | Lfnx-Atv-007 | 2007 | 150 cc | 6 kW | Gas |
7LFNX0.25NFG | Lfn-Atv-249 | 2007 | 249 cc | 12 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:LFN). 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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