Rokon International motorcycle engines
EPA certification records list 15 highway motorcycle engine families from Rokon International, model years 2012–2026. Rated power is 5 kW. The most families were certified in 2026 (1).
Engine families15
Engine models3
Model years2012–2026
Power range5–5 kWmedian 5 kW
Rank in category#75of 108 makers by families
Families certified per year
Technical mix
Fuel
Gas15
Configuration
415
Cylinders
1 cyl15
Most certified engine models
Ch27012Ch22Inc. 20121
Engine families
| Family | Model | Year | Power | Fuel |
|---|---|---|---|---|
TRKNC.208ORM | Ch270 | 2026 | 5 kW | Gas |
SRKNC.208ORM | Ch270 | 2025 | 5 kW | Gas |
RRKNC.208ORM | Ch270 | 2024 | 5 kW | Gas |
PRKNC.208ORM | Ch270 | 2023 | 5 kW | Gas |
NRKNC.208ORM | Ch270 | 2022 | 5 kW | Gas |
MRKNC.208ORM | Ch270 | 2021 | 5 kW | Gas |
LRKNC.208HMC | Ch270 | 2020 | 5 kW | Gas |
KRKNC.208HMC | Ch270 | 2019 | 5 kW | Gas |
JRKNC.208HMC | Ch270 | 2018 | 5 kW | Gas |
HRKNC.208HMC | Ch270 | 2017 | 5 kW | Gas |
GRKNC.208HMC | Ch270 | 2016 | 5 kW | Gas |
FRKNC.208HMC | Ch270 | 2015 | 5 kW | Gas |
ERKNC.208HMC | Ch2 | 2014 | 5 kW | Gas |
DRKNC.208HMC | Ch2 | 2013 | 5 kW | Gas |
CRKNC.208HMC | Inc. 2012 | 2012 | 5 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:RKN). 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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