FYM Group motorcycle engines
EPA certification records list 16 highway motorcycle engine families from FYM Group, model years 2007–2009. Rated power ranges from 2 to 12 kW, median 2 kW. All listed families displace 49 cc. The most families were certified in 2007 (6).
Engine families16
Engine models8
Model years2007–2009
Power range2–12 kWmedian 2 kW
Displacement49 cc – 49 cc
Rank in category#72of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas16
Configuration
416
Cylinders
1 cyl142 cyl2
Most certified engine models
Fy139Qmb3Fy151Qmi3X-Road3Fy125349S1Fy253Fmm1Hsm1Lon1
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
9FYMC.049FY4 | Fy139Qmb | 2009 | 49 cc | 2 kW | Gas |
9FYMC.125FY1 | Fy151Qmi | 2009 | — | 6 kW | Gas |
9FYMC.125FY6 | X-Road | 2009 | — | 2 kW | Gas |
9FYMC.125FYT | Fy125 | 2009 | — | 2 kW | Gas |
9FYMC.150FYM | 49S | 2009 | — | 6 kW | Gas |
8FYMC.049FY4 | Fy139Qmb | 2008 | 49 cc | 2 kW | Gas |
8FYMC.125FY1 | Fy151Qmi | 2008 | — | 6 kW | Gas |
8FYMC.125FY6 | X-Road | 2008 | — | 2 kW | Gas |
8FYMC.125FYT | Fy125 | 2008 | — | 2 kW | Gas |
8FYMC.250MMA | Fy253Fmm | 2008 | — | 12 kW | Gas |
7FYMC.049FY4 | Fy139Qmb | 2007 | 49 cc | 2 kW | Gas |
7FYMC.125FY1 | Fy151Qmi | 2007 | — | 6 kW | Gas |
7FYMC.125FY5 | Fy125 | 2007 | — | 2 kW | Gas |
7FYMC.125FY6 | X-Road | 2007 | — | 2 kW | Gas |
7FYMC.150SA1 | Lon | 2007 | — | 6 kW | Gas |
7FYMC.250MMA | Hsm | 2007 | — | 12 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:FYM). 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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