Engines · Marine outboards and jet drives

Onyx Systems marine outboards and jet drives

EPA certification records list 36 marine spark-ignition engine families from Onyx Systems, model years 2012–2022. Rated power ranges from 2 to 18 kW, median 5 kW. Displacement spans 100 cc to 500 cc. Naturally Aspirated engines make up 100% of families. The most families were certified in 2018 (5).

Engine families36
Engine models1
Model years2012–2022
Power range2–18 kWmedian 5 kW
Displacement100 cc – 500 cc
Rank in category#15of 19 makers by families

Families certified per year

20122
20133
20144
20155
20165
20174
20185
20214
20224

Emission standards by year

How Onyx Systems's certifications moved through emission standards.

YearStandards certified (families)
2012491 (1) · 482 (1)
2013491 (1) · 482 (1) · 300 (1)
2014491 (1) · 482 (1) · 300 (1) · 445 (1)
2015491 (1) · 482 (1) · 300 (1) · 445 (1)
2016491 (1) · 482 (1) · 300 (1) · 445 (1)
2017491 (1) · 482 (1) · 300 (1) · 445 (1)
2018491 (1) · 482 (1) · 300 (1) · 445 (1)
2021491 (1) · 482 (1) · 300 (1) · 445 (1)
2022491 (1) · 482 (1) · 300 (1) · 445 (1)

Technical mix

Fuel
Single Fuel36
Aspiration
Naturally Aspirated36
Cylinders
1 cyl182 cyl18

Most certified engine models

Llc36

Engine families

FamilyModelYearDisplacementPowerFuelStandard
NLHRM.072F2ALlc2022100 cc2 kWSingle Fuel491
NLHRM.112F5ALlc2022100 cc4 kWSingle Fuel482
NLHRM.212F9ALlc2022200 cc7 kWSingle Fuel300
NLHRM.323F15Llc2022300 cc11 kWSingle Fuel445
MLHRM.072F2ALlc2021100 cc2 kWSingle Fuel491
MLHRM.112F5ALlc2021100 cc4 kWSingle Fuel482
MLHRM.212F9ALlc2021200 cc7 kWSingle Fuel300
MLHRM.323F15Llc2021300 cc11 kWSingle Fuel445
JLHRM.072F2ALlc2018100 cc2 kWSingle Fuel491
JLHRM.112F5ALlc2018100 cc4 kWSingle Fuel482
JLHRM.212F9ALlc2018200 cc7 kWSingle Fuel300
JLHRM.323F15Llc2018300 cc11 kWSingle Fuel445
JLHRM.498F25Llc2018500 cc18 kWSingle Fuel408
HLHRM.072F2ALlc2017100 cc2 kWSingle Fuel491
HLHRM.112F5ALlc2017100 cc4 kWSingle Fuel482
HLHRM.212F9ALlc2017200 cc7 kWSingle Fuel300
HLHRM.323F15Llc2017300 cc11 kWSingle Fuel445
GLHRM.072F2ALlc2016100 cc2 kWSingle Fuel491
GLHRM.112F5ALlc2016100 cc4 kWSingle Fuel482
GLHRM.212F9ALlc2016200 cc7 kWSingle Fuel300
GLHRM.323F15Llc2016300 cc11 kWSingle Fuel445
GLHRM.498F25Llc2016500 cc18 kWSingle Fuel408
FLHRM.072F2ALlc2015100 cc2 kWSingle Fuel491
FLHRM.112F5ALlc2015100 cc4 kWSingle Fuel482
FLHRM.212F9ALlc2015200 cc7 kWSingle Fuel300
FLHRM.323F15Llc2015300 cc11 kWSingle Fuel445
FLHRM.498F25Llc2015500 cc18 kWSingle Fuel408
ELHRM.072F2ALlc2014100 cc2 kWSingle Fuel491
ELHRM.112F5ALlc2014100 cc4 kWSingle Fuel482
ELHRM.212F9ALlc2014200 cc7 kWSingle Fuel300
ELHRM.323F15Llc2014300 cc11 kWSingle Fuel445
DLHRM.072F2ALlc2013100 cc2 kWSingle Fuel491
DLHRM.112F5ALlc2013100 cc4 kWSingle Fuel482
DLHRM.212F9ALlc2013200 cc7 kWSingle Fuel300
CLHRM.072F2ALlc2012100 cc2 kWSingle Fuel491
CLHRM.112F5ALlc2012100 cc4 kWSingle Fuel482

Other marine outboards and jet drives makers

Mercury Marine424Yamaha391BRP (Bombardier Recreational Products)257Honda168Suzuki165Tohatsu144Suzhou Parsun Power Machine128Pleasurecraft Marine Engine107Tennessee Propulsion Products96KEM Equipment95Ilmor Engineering90Volvo Penta89

Source

US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:LHR). 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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