Hammer Brand motorcycle engines
EPA certification records list 40 highway motorcycle engine families from Hammer Brand, model years 2009–2026. Rated power ranges from 2 to 6 kW, median 6 kW. All listed families displace 49 cc. The most families were certified in 2023 (3).
Engine families40
Engine models5
Model years2009–2026
Power range2–6 kWmedian 6 kW
Displacement49 cc – 49 cc
Rank in category#30of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas40
Configuration
440
Cylinders
1 cyl40
Most certified engine models
Bn139Qmb16Bn157Qmj12Bn157Qmj119549961P52Fmi4Ft1390Mb08032572
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
TGMWC.049MC1 | Bn139Qmb | 2026 | 49 cc | 2 kW | Gas |
TGMWC0.15MC1 | Bn157Qmj | 2026 | — | 6 kW | Gas |
SGMWC.049MC1 | Bn139Qmb | 2025 | 49 cc | 2 kW | Gas |
SGMWC0.15MC1 | Bn157Qmj | 2025 | — | 6 kW | Gas |
RGMWC.049MC1 | Bn139Qmb | 2024 | 49 cc | 2 kW | Gas |
RGMWC0.15MC1 | Bn157Qmj | 2024 | — | 6 kW | Gas |
PGMWC.049MC1 | Bn139Qmb | 2023 | 49 cc | 2 kW | Gas |
PGMWC.125ADS | 1P52Fmi | 2023 | — | 6 kW | Gas |
PGMWC0.15MC1 | Bn157Qmj | 2023 | — | 6 kW | Gas |
NGMWC.049MC1 | Bn139Qmb | 2022 | 49 cc | 2 kW | Gas |
NGMWC.125ADS | 1P52Fmi | 2022 | — | 6 kW | Gas |
NGMWC0.15MC1 | Bn157Qmj | 2022 | — | 6 kW | Gas |
MGMWC.049MC1 | Bn139Qmb | 2021 | 49 cc | 2 kW | Gas |
MGMWC.125ADS | 1P52Fmi | 2021 | — | 6 kW | Gas |
MGMWC0.15MC1 | Bn157Qmj | 2021 | — | 6 kW | Gas |
LGMWC.049MC1 | Bn139Qmb | 2020 | 49 cc | 2 kW | Gas |
LGMWC.125ADS | 1P52Fmi | 2020 | — | 6 kW | Gas |
LGMWC0.15MC1 | Bn157Qmj | 2020 | — | 6 kW | Gas |
KGMWC.049MC1 | Bn139Qmb | 2019 | 49 cc | 2 kW | Gas |
KGMWC0.15MC1 | Bn157Qmj | 2019 | — | 6 kW | Gas |
JGMWC.049MC1 | Bn139Qmb | 2018 | 49 cc | 2 kW | Gas |
JGMWC0.15MC1 | Bn157Qmj | 2018 | — | 6 kW | Gas |
HGMWC.049MC1 | Bn139Qmb | 2017 | 49 cc | 2 kW | Gas |
HGMWC0.15MC1 | Bn157Qmj | 2017 | — | 6 kW | Gas |
GGMWC.049MC1 | Bn139Qmb | 2016 | 49 cc | 2 kW | Gas |
GGMWC0.15MC1 | Bn157Qmj | 2016 | — | 6 kW | Gas |
FGMWC.049ZNE | Bn139Qmb | 2015 | 49 cc | 2 kW | Gas |
FGMWC0.15ZNE | Bn157Qmj | 2015 | — | 6 kW | Gas |
EGMWC.049ZNE | Bn139Qmb | 2014 | 49 cc | 2 kW | Gas |
EGMWC0.15ZNE | Bn157Qmj1195499 | 2014 | — | 6 kW | Gas |
DGMWC.049ZNE | Bn139Qmb | 2013 | 49 cc | 2 kW | Gas |
DGMWC0.15ZNE | Bn157Qmj1195499 | 2013 | — | 6 kW | Gas |
CGMWC.049ZNE | Bn139Qmb | 2012 | 49 cc | 2 kW | Gas |
CGMWC0.15ZNE | Bn157Qmj1195499 | 2012 | — | 6 kW | Gas |
BGMWC.049ZNE | Bn139Qmb | 2011 | 49 cc | 2 kW | Gas |
BGMWC0.15ZNE | Bn157Qmj1195499 | 2011 | — | 6 kW | Gas |
AGMWC.049ZNE | Ft1390Mb0803257 | 2010 | 49 cc | 2 kW | Gas |
AGMWC0.15ZNE | Bn157Qmj1195499 | 2010 | — | 6 kW | Gas |
9GMWC.049ZNE | Ft1390Mb0803257 | 2009 | 49 cc | 2 kW | Gas |
9GMWC0.15ZNE | 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:GMW). 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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