Eton motorcycle engines
EPA certification records list 16 highway motorcycle engine families from Eton, model years 2007–2011. Rated power ranges from 2 to 8 kW, median 5 kW. All listed families displace 49 cc. The most families were certified in 2011 (4).
Engine families16
Engine models6
Model years2007–2011
Power range2–8 kWmedian 5 kW
Displacement49 cc – 49 cc
Rank in category#71of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas16
Configuration
41125
Cylinders
1 cyl16
Most certified engine models
America LLC 20114America LLC 20104America LLC 20094America LLC 20082011America LLC 20071
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
BETNC.049A30 | America LLC 2011 | 2011 | 49 cc | 2 kW | Gas |
BETNC.049EA1 | America LLC 2011 | 2011 | 49 cc | 4 kW | Gas |
BETNC.149A15 | America LLC 2011 | 2011 | — | 8 kW | Gas |
BETNC.149A31 | America LLC 2011 | 2011 | — | 6 kW | Gas |
AETNC.049A30 | America LLC 2010 | 2010 | 49 cc | 2 kW | Gas |
AETNC.049EA1 | America LLC 2010 | 2010 | 49 cc | 4 kW | Gas |
AETNC.149A15 | America LLC 2010 | 2010 | — | 8 kW | Gas |
AETNC.149A31 | America LLC 2010 | 2010 | — | 6 kW | Gas |
9ETNC.049A30 | America LLC 2009 | 2009 | 49 cc | 2 kW | Gas |
9ETNC.049EA1 | America LLC 2009 | 2009 | 49 cc | 4 kW | Gas |
9ETNC.149A15 | America LLC 2009 | 2009 | — | 8 kW | Gas |
9ETNC.149A31 | America LLC 2009 | 2009 | — | 6 kW | Gas |
8ETNC.049EA1 | America LLC 2008 | 2008 | 49 cc | 4 kW | Gas |
8ETNC.149A15 | America LLC 2008 | 2008 | — | 8 kW | Gas |
7ETNC.050EA1 | 01 | 2007 | 49 cc | 3 kW | Gas |
7ETNC.149A15 | America LLC 2007 | 2007 | — | 8 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:ETN). 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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