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6LY-CR Series

6LY-CR Series

400-440 MHP

The 6LY-CR series offers a compact, lightweight design with exceptional power for unbeatable acceleration and top-end responsiveness. Trusted for its reliability, this engine excels in cruising, racing, and light commercial applications.

6LY-CR models

The 6LY-CR series comes in two different output models.

Clean

Produces minimal emissions due to advanced technology

Interconnective

Seamless integration for a more connected experience

Quiet

Low noise operation with vibration reduction

Powerful

High torque and responsive performance

Fuel efficient

Optimized for fuel consumption for longer journeys

Impressively Clean and Powerful Performance

Built on 30 years of history, the 4th generation 6LY-CR is a smooth and robust 6 cylinder in-line engine, producing impressively clean and powerful performance.

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

Its narrow and lightweight profile enables installation in the tightest of engine rooms, making it the perfect solution for repowering, as well as newly built vessels. 

Features

  • Compact, lightweight, and powerful engine
  • High torque on the low-end and over the power band, delivering leading acceleration and top end responsiveness
  • Custom YANMAR 6LY block is purpose-built for marine applications
  • 4th generation reliability for proven performance with cruising, racing and light commercial applications
  • Designed for efficient installation and refitting
Bertram

Details

  • Available in 2 output models – 400 and 440 mhp
  • A proven solution for jet and shaft drives
  • Controlled electronically by YANMAR VC20 Vessel Control System, with up to 4 stations
  • Available with JC20 joystick control for twin shaftdrive applications
  • Certified for recreational and light duty commercial applications
  • SOLAS option and USCG lifeboat approved
  • See all certifications details

Common Rail Technology

As a leading diesel engine manufacturer, YANMAR integrates the most advanced common rail technology into our innovative marine engines.

Common rail technology is a digitally controlled, high-pressure fuel injection and sensor system that optimizes engine efficiency & performance.

FAQ’s about the 6LY-CR series

To determine the appropriate 6LY-CR model for your needs, it’s best to consult with a Yanmar dealer who can provide personalized advice based on your requirements. Please visit our Network Page to find your local distributor or dealer.

The 6LY-CR series engines are built for high performance and reliability. They are compact, use advanced technology for better fuel efficiency and lower emissions, and are designed to be easy to maintain, making them a top choice for marine use.

To assess which model is suitable for your needs, it’s best to consult with a Yanmar dealer who can provide personalized advice based on your requirements. Please visit our Network Page to find your local distributor or dealer.

Maintenance for the 6LY-CR series involves regular checks and services. Yanmar provides a maintenance schedule in the engine manual. Your local Yanmar service dealer can perform these tasks to ensure optimal performance and longevity. Please visit our Network Page to find your local distributor or dealer.

Yes, you can contact an authorized Yanmar dealer or distributor to discuss the 6LY-CR series. They can provide detailed information and answer any questions you may have regarding 6LY-CR series. Please visit our Network Page to find your local distributor or dealer.

Questions and Support

Learn more by searching our FAQs or find your local dealer or distributor from our global network. Please feel free to contact YANMAR Marine with any non-technical questions by visiting our Contact page below.