Motobravo motorcycle engines
EPA certification records list 11 highway motorcycle engine families from Motobravo, model years 2009–2014. Rated power ranges from 2 to 13 kW, median 6 kW. All listed families displace 49 cc. The most families were certified in 2010 (3).
Engine families11
Engine models4
Model years2009–2014
Power range2–13 kWmedian 6 kW
Displacement49 cc – 49 cc
Rank in category#98of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas11
Configuration
411
Cylinders
1 cyl102 cyl1
Most certified engine models
Lk139Qmb4Lk157Qmj4Lk120011
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
EMTBC0.15N1M | Lk1 | 2014 | — | 6 kW | Gas |
DMTBC0.15N1M | Lk1 | 2013 | — | 6 kW | Gas |
CMTBC.049N2M | Lk139Qmb | 2012 | 49 cc | 2 kW | Gas |
CMTBC0.15N1M | Lk157Qmj | 2012 | — | 6 kW | Gas |
BMTBC.049N2M | Lk139Qmb | 2011 | 49 cc | 2 kW | Gas |
BMTBC0.15N1M | Lk157Qmj | 2011 | — | 6 kW | Gas |
AMTBC.049N2M | Lk139Qmb | 2010 | 49 cc | 2 kW | Gas |
AMTBC.250MM5 | 001 | 2010 | — | 13 kW | Gas |
AMTBC0.15N1M | Lk157Qmj | 2010 | — | 6 kW | Gas |
9MTBC.049N2M | Lk139Qmb | 2009 | 49 cc | 2 kW | Gas |
9MTBC0.15N1M | Lk157Qmj | 2009 | — | 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:MTB). 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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