Serie 6LY-CR


400 mhp
294 kW
3300 rpm



440 mhp
324 kW
3300 rpm



  • Compact, lightweight and
  • powerful engine
  • High low-end torque and
  • powerband, providing
  • leading acceleration and maximum responsiveness
  • Customised YANMAR 6LY block is specially designed for marine applications
  • Fourth generation reliability for proven performance in light commercial, cruising and racing applications
  • Designed for efficient installation and reconditioning

Incredibly clean and powerful performance

Built on 30 years of history, the fourth-generation 6LY-CR is a smooth and robust inline 6-cylinder engine that produces impressive, clean performance.


Incorporating an advanced Denso common rail fuel injection system, the 6LY-CR offers excellent fuel economy and significantly less noise than previous generations, while high torque output throughout its operating range produces class-leading acceleration and responsive performance.


Its narrow, lightweight profile allows installation in the tightest engine rooms, making it the perfect solution for repowering as well as for new build vessels. 

Bertram 35


  • Available in 2 output models: 400 and 440 mhp
  • A proven solution for jet and shaft drives
    Electronically controlled by the YANMAR VC10 Vessel Control System, with up to 3 stations
  • Available with JC20 joystick control for twin shaft drive applications
  • Certified for light commercial and recreational applications
    SOLAS and USCG approved lifeboat option
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Technology Common Rail

YANMAR uses advanced common rail technology to achieve the most efficient engines in their class. Learn more about this technology and Yanmar common rail engines.

5 times best in class

YANMAR common rail marine engines set global standards in performance, efficiency and endurance. Learn more about how YANMAR achieves 5 times best in class.