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Wilh 4 valves per cylinder, the BY range's dual air intake ports provide an optimised fuel/air mix that results in high torque across the power band and further improves engine efficiency. The Electronic Control Unit (ECU) managed second-generation common rail fuel injection also gives outstanding fuel economy.
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The state-of-the-art STEYR Marine Diesel Engine with dual cooling circuit fulfilling the strengthened future marine emission regulation.
The STEYR Marine Engine 286 is designed for high performance and continuous pleasure boat rating. The innovative fuel injection technology enables an excellent torque and speed range. The complete engine package is conceived especially for sterndrive systems. Remarkable features of the STEYR Marine Engines are the dynamic behaviour and immediate response as well as the impressive acceleration.
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The design evolution within Yanmar's technology creates engines which not only perform, but also last and last. That's our mission. This has led to a worldwide reputation for unsurpassed reliability. These engines are the most compact and powerful in their class. The 24-valve overhead cam valve train is the main driver of this success. And, not to forget, the water cooled wastegated turbocharger, intercooler and fuel cooler, which maintain peak performance.
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Yanmar has been a leading diesel engine manufacturer since 1912, producing from fuel injection equipment to marine gear (for most diesel-driven machinery, on land and sea. Yanmar diesel engines are specially developed to serve marine applications, giving customers the most reliable propulsion systems available on the market.
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The 4.5L four-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled or turbocharged with jacket water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Ratings M3 M2 M1
Rated Power--hp (kW) 135 (101) 121 (90) 107 (80)
Rated Speed--rpm 2600 2500 2400
Low Idle Speed--rpm 650 650 650
Peak Torque--lb-ft (N.m) 352 (477) 330 (448) 310 (420)
Peak Torque Speed--rpm 1800 1700 1600
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CMD Alpha, Bravo and XR Drive sterndrives combine with Quantum engines to set new standards for a wide array of applications, from yachting and coastal fishing, to cruisers and small runabouts. The Bravo X series features an improved hydrodynamic profile, precision-forged gears for longer life and a redesigned clutch assembly for effortless shifting. Bravo X sterndrives also support the Axius system - which completely revolutionizes performance and maneuverability.
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Configuration 4-stroke cycle, twin camshaft, 16v
Maximum output at crankshaft 110 kW/150 hp at 4000 rpm
Maximum torque 311 Nm at 2500 rpm
Displacement 1.910 c.c.
Bore x stroke 82 x 90,4 mm
Cylinders 4, in line
Combustion system Direct injection Common Rail
Aspiration Supercharged with variable geometry turbo
Starting system Electric starting 12 V - 2,1 kW
Alternator 14 V - 105 A
Cooling system Double water cooling system with heat exchanger
Lubrication system Totally enclosed, forced lubricating system with pump
Max. mounting inclination 14°
Dry weight without gear 240 kg
Environmental Meets the EU comprehensive emissions regulation 2006
Engine mounting Rubber type anti-vibration mounting
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Configuration 4-stroke cycle, twin camshaft, 16 V
Maximum output at crankshaft 140 kW/190 hp at 4000 rpm
Maximum output at propeller 132.7 kW/185 hp at 4000 rpm
Maximum torque 372 Nm at 2400 rpm
Displacement 1.910 c.c.
Bore x stroke 82 x 90,4 mm
Cylinders 4, in-line
Combustion system Direct injection Common rail
Aspiration Supercharged with variable geometry turbo
Starting system Electric starting 12 V - 2,1 kW
Alternator 14 V - 105 A
Cooling system Double water cooling system with heat exchanger
Lubrication system Totally enclosed, forced lubricating system with pump
Max. mounting inclination 14°
Dry weight without gear 240 kg
Environmental Meets the EU comprehensive emissions regulation 2006
Engine mounting Rubber type anti-vibration mounting
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The 6.8L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Ratings M5 M4 M3 M2 M1
Rated Power--hp (kW) 300(224) 267(199) 236(176) 208(155) 182(136)
Rated Speed--rpm 2600 2500 2400 2300 2200
Low Idle Speed--rpm 650 650 650 650 650
Peak Torque--lb-ft(N.m) 741(1005) 719(975) 674(914) 629(853) 612 (830)
Peak Torque Speed--rpm 2000 1800 1600 1600 1500
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The 6.8L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Ratings M3 M2 M1
Rated Power--hp (kW) 201 (150) 178 (133) 158 (118)
Rated Speed--rpm 2600 2500 2400
Low Idle Speed--rpm 650 650 650
Peak Torque--lb-ft (N.m) 511 (693) 473 (641) 445 (604)
Peak Torque Speed--rpm 2000 1900 1800
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Yanmar's engines last and last. They are designed and built to do just that. Every detail is taken Into account. Take for instance the stainless steel exhaust/water mixing elbow: a guarantee for long life and corrosion resistance. This tough engine is built to perform. The turbocharger with wastegate and inlercooler improves acceleration on the higher output model even further. This is best-in-dass diesel power from Yanmar.
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The 8.1L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled or turbocharged with jacket water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Ratings M4 M3 M2 M1
Rated Power--hp (kW) 375 (280) 330 (246) 300 (224) 235 (175)
Rated Speed--rpm 2400 2300 2200 2100
Low Idle Speed--rpm 600 600 600 600
Peak Torque--lb-ft (N.m) 982 (1332) 935 (1268) 900 (1220) 798 (1082)
Peak Torque Speed--rpm 1900 1800 1700 1500
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The 12.5L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Ratings M4 M3 M2 M1
Rated Power--hp (kW) 526 (392) 455 (339) 400 (298) 341 (254)
Rated Speed--rpm 2100 2000 1900 1800
Low Idle Speed--rpm 600 600 600 600
Peak Torque--lb-ft (N.m) 1624(2202) 1492(2023) 1409(1910) 1409 (1910)
Peak Torque Speed--rpm1700 1600 1200 1200
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Toughness and technology come together in an ocean-ready diesel propulsion engine with Northern Lights' state-of-the-art features - the Lugger L6125H.
Real horse power, for real world applications
Based on a heavy-duty off-road engine block, the L6125H is designed and built for the unforgiving marine environment. The L6125H cranks 470 Horsepower (high output) at 2300 RPM. Continuous duty operators will appreciate the engine's ability to crank 350 HP at a low 1800 RPM. Keeping revolutions low minimizes wear and tear, as does the attractive power-to-weight ratio of 6.1 lbs/HP and the engine's impressive torque rise.
Big power in a manageable package
The anvil-tough four-cycle, in-line six cylinder L6125H displaces 674 cid, but fits in a footprint suited to most engine rooms making it a strong re-power candidate. The liquid-cooled turbocharger maximizes the engine's power potential while ensuring operator safety.
Lugger's trademark features
Lugger by Northern Lights is the brand trusted by the world's most demanding boat builders. Lugger's custom marinization features are designed for long-life and high-performance, with no sacrifice to onboard comfort or fuel economy. Cast iron exhaust manifold, cupro-nickel heat exchanger with removable end covers, individual cylinder heads: all the trademarks of Lugger's world class engineering are present in this remarkably small and light-weight package.
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Yanmar's engines lasl and last. They are designed and built to do just that. Every detail is taken into account. The 6LY2 has super hard ceramic push rod tappets which keep wear to a minimum. And the whole series has stainless steel exhaus/water mixing elbows' a guarantee for long life and corrosion resistance.
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The more compact the engine design; the broader its application possibilities. That's why Yanmar makes compact engines; our power-to-weight and size ratios are setting industry standards for others to follow.
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At Yanmar, we make our engines easily accessible. A double oil dipstick on port and starboard side is standard. The 6LY3 also has replaceable dry cylinder liners, which means low cost engine overhauls. The buil-in fuel-priming pump also improves airbleeding and the oil filter with built-in oil drain reservoir on top makes it more easily accessible.
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4 CYLINDERS IN LINE - DIESEL CYCLE
74 kW (100 CV) @ 2800 rpm (A1)
66.5 kW (90 CV) @ 2800 rpm (B)
63 kW (85 CV) @ 2800 rpm (C)
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Yanmar has been a leading diesel engine manufacturer since 1912, producing from fuel injection equipment to marine gear (for most diesel-driven machinery, on land and sea. Yanmar diesel engines are specially developed to serve marine applications, giving customers the most reliable propulsion systems available on the market.
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