Sigma Moto motorcycle engines
EPA certification records list 10 highway motorcycle engine families from Sigma Moto, model years 2011–2024. Rated power ranges from 4 to 10 kW, median 5 kW. All listed families displace 49 cc. The most families were certified in 2011 (2).
Engine families10
Engine models3
Model years2011–2024
Power range4–10 kWmedian 5 kW
Displacement49 cc – 49 cc
Rank in category#104of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas10
Configuration
2842
Cylinders
1 cyl10
Most certified engine models
49S750S2Gd51
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
RSGAC.049MCA | Gd5 | 2024 | 49 cc | 4 kW | Gas |
JSGAC.049SGH | 49S | 2018 | 49 cc | 5 kW | Gas |
HSGAC.049SGH | 49S | 2017 | 49 cc | 5 kW | Gas |
GSGAC.049SGU | 49S | 2016 | 49 cc | 5 kW | Gas |
FSGAC.049SGU | 49S | 2015 | 49 cc | 5 kW | Gas |
ESGAC.049SGU | 49S | 2014 | 49 cc | 5 kW | Gas |
DSGAC.049SGU | 49S | 2013 | 49 cc | 5 kW | Gas |
CSGAC.150SGA | 50S | 2012 | — | 10 kW | Gas |
BSGAC.049SGA | 49S | 2011 | 49 cc | 5 kW | Gas |
BSGAC.150SGA | 50S | 2011 | — | 10 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:SGA). 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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