BMS Motorsports motorcycle engines
EPA certification records list 26 highway motorcycle engine families from BMS Motorsports, model years 2009–2025. Rated power ranges from 2 to 6 kW, median 6 kW. All listed families displace 49 cc. The most families were certified in 2017 (2).
Engine families26
Engine models4
Model years2009–2025
Power range2–6 kWmedian 6 kW
Displacement49 cc – 49 cc
Rank in category#40of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas26
Configuration
426
Cylinders
1 cyl26
Most certified engine models
Bn157Qmj12Ft1390Mb08032575Bn157Qmj11954995Bn139Qmb4
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
SBMSC0.15MC1 | Bn157Qmj | 2025 | — | 6 kW | Gas |
RBMSC0.15MC1 | Bn157Qmj | 2024 | — | 6 kW | Gas |
PBMSC0.15MC1 | Bn157Qmj | 2023 | — | 6 kW | Gas |
NBMSC0.15MC1 | Bn157Qmj | 2022 | — | 6 kW | Gas |
MBMSC0.15MC1 | Bn157Qmj | 2021 | — | 6 kW | Gas |
LBMSC0.15MC1 | Bn157Qmj | 2020 | — | 6 kW | Gas |
KBMSC0.15MC1 | Bn157Qmj | 2019 | — | 6 kW | Gas |
JBMSC0.15MC1 | Bn157Qmj | 2018 | — | 6 kW | Gas |
HBMSC.049MC1 | Bn139Qmb | 2017 | 49 cc | 2 kW | Gas |
HBMSC0.15MC1 | Bn157Qmj | 2017 | — | 6 kW | Gas |
GBMSC.049MC1 | Bn139Qmb | 2016 | 49 cc | 2 kW | Gas |
GBMSC0.15MC1 | Bn157Qmj | 2016 | — | 6 kW | Gas |
FBMSC.049MC1 | Bn139Qmb | 2015 | 49 cc | 2 kW | Gas |
FBMSC0.15ZNE | Bn157Qmj | 2015 | — | 6 kW | Gas |
EBMSC.049ZNE | Bn139Qmb | 2014 | 49 cc | 2 kW | Gas |
EBMSC0.15ZNE | Bn157Qmj | 2014 | — | 6 kW | Gas |
DBMSC.049ZNE | Ft1390Mb0803257 | 2013 | 49 cc | 2 kW | Gas |
DBMSC0.15ZNE | Bn157Qmj1195499 | 2013 | — | 6 kW | Gas |
CBMSC.049ZNE | Ft1390Mb0803257 | 2012 | 49 cc | 2 kW | Gas |
CBMSC0.15ZNE | Bn157Qmj1195499 | 2012 | — | 6 kW | Gas |
BBMSC.049ZNE | Ft1390Mb0803257 | 2011 | 49 cc | 2 kW | Gas |
BBMSC0.15ZNE | Bn157Qmj1195499 | 2011 | — | 6 kW | Gas |
ABMSC.049ZNE | Ft1390Mb0803257 | 2010 | 49 cc | 2 kW | Gas |
ABMSC0.15ZNE | Bn157Qmj1195499 | 2010 | — | 6 kW | Gas |
9BMSC.049ZNE | Ft1390Mb0803257 | 2009 | 49 cc | 2 kW | Gas |
9BMSC0.15ZNE | Bn157Qmj1195499 | 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:BMS). 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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