Jiangsu SACIN motorcycle engines
EPA certification records list 10 highway motorcycle engine families from Jiangsu SACIN, model years 2011–2024. Rated power ranges from 2 to 6 kW, median 6 kW. All listed families displace 49 cc. The most families were certified in 2024 (1).
Engine families10
Engine models4
Model years2011–2024
Power range2–6 kWmedian 6 kW
Displacement49 cc – 49 cc
Rank in category#103of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas10
Configuration
410
Cylinders
1 cyl10
Most certified engine models
139Fma-24Mc31P52Fmi21P51
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
RJSNC.049SXA | 139Fma-2 | 2024 | 49 cc | 2 kW | Gas |
PJSNC.049SXA | 139Fma-2 | 2023 | 49 cc | 2 kW | Gas |
NJSNC.049SXA | 139Fma-2 | 2022 | 49 cc | 2 kW | Gas |
MJSNC.049SXA | 139Fma-2 | 2021 | 49 cc | 2 kW | Gas |
GJSNC.123FMI | 1P52Fmi | 2016 | — | 6 kW | Gas |
FJSNC.123FMI | 1P52Fmi | 2015 | — | 6 kW | Gas |
EJSNC.123FMI | 1P5 | 2014 | — | 6 kW | Gas |
DJSNC.123FMI | Mc | 2013 | — | 6 kW | Gas |
CJSNC.123FMI | Mc | 2012 | — | 6 kW | Gas |
BJSNC.123FMI | Mc | 2011 | — | 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:JSN). 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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