Qianjiang motorcycle engines
EPA certification records list 11 highway motorcycle engine families from Qianjiang, model years 2006–2009. Rated power ranges from 2 to 12 kW, median 3 kW. All listed families displace 49 cc. The most families were certified in 2007 (4).
Engine families11
Engine models6
Model years2006–2009
Power range2–12 kWmedian 3 kW
Displacement49 cc – 49 cc
Rank in category#95of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas11
Configuration
4724
Cylinders
1 cyl11
Most certified engine models
Scooter4USA Inc. 20072Strata12000681Sauron1USA Inc. 20061
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
9QMGC.049QJ4 | Scooter | 2009 | 49 cc | 3 kW | Gas |
9QMGC.150QJA | Strata1 | 2009 | — | 8 kW | Gas |
9QMGC0.50QJ2 | Scooter | 2009 | 49 cc | 3 kW | Gas |
8QMGC.049QJ4 | Scooter | 2008 | 49 cc | 3 kW | Gas |
8QMGC.150QJA | Strata1 | 2008 | — | 8 kW | Gas |
8QMGC0.50QJ2 | Scooter | 2008 | 49 cc | 3 kW | Gas |
7QMGC.049QJ2 | USA Inc. 2007 | 2007 | 49 cc | 2 kW | Gas |
7QMGC.049QJ4 | USA Inc. 2007 | 2007 | 49 cc | 2 kW | Gas |
7QMGC.150QJA | Sauron | 2007 | — | 6 kW | Gas |
7QMGC.260QJL | 00068 | 2007 | — | 12 kW | Gas |
6QMGC0.05QJ2 | USA Inc. 2006 | 2006 | 49 cc | 2 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:QMG). 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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