Pleasure boat engine : in-board diesel engine 100 - 200 hp (common-rail, turbocharged)
4BY2-150 (150 hp @ 4000 rpm)
Yanmar Marine USA
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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