Chicago Scooter motorcycle engines
EPA certification records list 18 highway motorcycle engine families from Chicago Scooter, model years 2016–2026. Rated power ranges from 2 to 13 kW, median 2 kW. All listed families displace 50 cc. The most families were certified in 2025 (2).
Engine families18
Engine models3
Model years2016–2026
Power range2–13 kWmedian 2 kW
Displacement50 cc – 50 cc
Rank in category#58of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas18
Configuration
418
Cylinders
1 cyl18
Most certified engine models
Lj139Qmb101P57Qmj7Italjet2001
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
TCHSC.181JET | Italjet200 | 2026 | — | 13 kW | Gas |
SCHSC.050CHI | Lj139Qmb | 2025 | 50 cc | 2 kW | Gas |
SCHSC.150RAE | 1P57Qmj | 2025 | — | 8 kW | Gas |
RCHSC.050CHI | Lj139Qmb | 2024 | 50 cc | 2 kW | Gas |
RCHSC.150RAE | 1P57Qmj | 2024 | — | 8 kW | Gas |
PCHSC.050CHI | Lj139Qmb | 2023 | 50 cc | 2 kW | Gas |
PCHSC.150RAE | 1P57Qmj | 2023 | — | 8 kW | Gas |
NCHSC.050CHI | Lj139Qmb | 2022 | 50 cc | 2 kW | Gas |
NCHSC.150RAE | 1P57Qmj | 2022 | — | 8 kW | Gas |
MCHSC.050CHI | Lj139Qmb | 2021 | 50 cc | 2 kW | Gas |
MCHSC.150RAE | 1P57Qmj | 2021 | — | 8 kW | Gas |
LCHSC.050CHI | Lj139Qmb | 2020 | 50 cc | 2 kW | Gas |
LCHSC.150RAE | 1P57Qmj | 2020 | — | 8 kW | Gas |
KCHSC.050CHI | Lj139Qmb | 2019 | 50 cc | 2 kW | Gas |
KCHSC.150RAE | 1P57Qmj | 2019 | — | 8 kW | Gas |
JCHSC.050CHI | Lj139Qmb | 2018 | 50 cc | 2 kW | Gas |
HCHSC.050CHI | Lj139Qmb | 2017 | 50 cc | 2 kW | Gas |
GCHSC.050CHI | Lj139Qmb | 2016 | 50 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:CHS). 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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