Engines · Marine outboards and jet drives
MSR Engines marine outboards and jet drives
EPA certification records list 14 marine spark-ignition engine families from MSR Engines, model years 2016–2026. Rated power ranges from 7 to 8 kW, median 7 kW. All listed families displace 100 cc. Naturally Aspirated engines make up 100% of families. The most families were certified in 2026 (2).
Engine families14
Engine models1
Model years2016–2026
Power range7–8 kWmedian 7 kW
Displacement100 cc – 100 cc
Rank in category#19of 19 makers by families
Families certified per year
Emission standards by year
How MSR Engines's certifications moved through emission standards.
| Year | Standards certified (families) |
|---|---|
| 2016 | 462 (1) |
| 2017 | 462 (1) |
| 2018 | 462 (1) |
| 2019 | 462.9 (1) |
| 2020 | 462.9 (1) |
| 2021 | 462.9 (1) |
| 2022 | 462.9 (1) |
| 2023 | 462.9 (1) |
| 2024 | 462.9 (1) · 463.7 (1) |
| 2025 | 464 (1) · 463 (1) |
| 2026 | 464 (1) · 463 (1) |
Technical mix
Fuel
Single Fuel14
Aspiration
Naturally Aspirated14
Cylinders
1 cyl14
Most certified engine models
S. R. O14
Engine families
| Family | Model | Year | Displacement | Power | Fuel | Standard |
|---|---|---|---|---|---|---|
TMSEM0.100E2 | S. R. O | 2026 | 100 cc | 7 kW | Single Fuel | 464 |
TMSEM00.10E3 | S. R. O | 2026 | 100 cc | 8 kW | Single Fuel | 463 |
SMSEM0.100E2 | S. R. O | 2025 | 100 cc | 7 kW | Single Fuel | 464 |
SMSEM00.10E3 | S. R. O | 2025 | 100 cc | 8 kW | Single Fuel | 463 |
RMSEM0.100E2 | S. R. O | 2024 | 100 cc | 7 kW | Single Fuel | 462.9 |
RMSEM00.10E3 | S. R. O | 2024 | 100 cc | 8 kW | Single Fuel | 463.7 |
PMSEM0.100E2 | S. R. O | 2023 | 100 cc | 7 kW | Single Fuel | 462.9 |
NMSEM0.100E2 | S. R. O | 2022 | 100 cc | 7 kW | Single Fuel | 462.9 |
MMSEM0.100E2 | S. R. O | 2021 | 100 cc | 7 kW | Single Fuel | 462.9 |
LMSEM0.100E2 | S. R. O | 2020 | 100 cc | 7 kW | Single Fuel | 462.9 |
KMSEM0.100E2 | S. R. O | 2019 | 100 cc | 7 kW | Single Fuel | 462.9 |
JMSEM0.090E1 | S. R. O | 2018 | 100 cc | 8 kW | Single Fuel | 462 |
HMSEM0.090E1 | S. R. O | 2017 | 100 cc | 8 kW | Single Fuel | 462 |
GMSEM0.090E1 | S. R. O | 2016 | 100 cc | 8 kW | Single Fuel | 462 |
Other marine outboards and jet drives makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:MSE). 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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