Jason Sky motorcycle engines
EPA certification records list 21 highway motorcycle engine families from Jason Sky, model years 2008–2017. Rated power ranges from 2 to 11 kW, median 9 kW. All listed families displace 49 cc. The most families were certified in 2013 (3).
Engine families21
Engine models4
Model years2008–2017
Power range2–11 kWmedian 9 kW
Displacement49 cc – 49 cc
Rank in category#53of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas21
Configuration
421
Cylinders
1 cyl21
Most certified engine models
Lj58Jl139Qmb7Jl167Fmm-M3Jl150Qmj3
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
HJSKC.049JLC | Jl139Qmb | 2017 | 49 cc | 2 kW | Gas |
GJSKC.049JLC | Jl139Qmb | 2016 | 49 cc | 2 kW | Gas |
GJSKC.229JLD | Jl167Fmm-M | 2016 | — | 11 kW | Gas |
FJSKC.049JLC | Jl139Qmb | 2015 | 49 cc | 2 kW | Gas |
FJSKC.229JLD | Jl167Fmm-M | 2015 | — | 11 kW | Gas |
EJSKC.049JLC | Jl139Qmb | 2014 | 49 cc | 2 kW | Gas |
EJSKC.229JLD | Jl167Fmm-M | 2014 | — | 11 kW | Gas |
DJSKC.049JLC | Lj5 | 2013 | 49 cc | 2 kW | Gas |
DJSKC.145JLB | Lj5 | 2013 | — | 9 kW | Gas |
DJSKC.229JLD | Lj5 | 2013 | — | 11 kW | Gas |
CJSKC.049JLC | Lj5 | 2012 | 49 cc | 2 kW | Gas |
CJSKC.145JLB | Lj5 | 2012 | — | 9 kW | Gas |
CJSKC.229JLD | Lj5 | 2012 | — | 11 kW | Gas |
BJSKC.049JLC | Lj5 | 2011 | 49 cc | 2 kW | Gas |
BJSKC.145JLB | Lj5 | 2011 | — | 9 kW | Gas |
AJSKC.049JLA | Jl139Qmb | 2010 | 49 cc | 2 kW | Gas |
AJSKC.145JLB | Jl150Qmj | 2010 | — | 9 kW | Gas |
9JSKC.049JLA | Jl139Qmb | 2009 | 49 cc | 2 kW | Gas |
9JSKC.145JLB | Jl150Qmj | 2009 | — | 9 kW | Gas |
8JSKC.049JLA | Jl139Qmb | 2008 | 49 cc | 2 kW | Gas |
8JSKC.145JLB | Jl150Qmj | 2008 | — | 9 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:JSK). 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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