
( Brand: Yanmar ), ( Manufacturer Part Number: 6LY2M-STE ), ( Part Type: Engine ), ( Engine Hp : 420 ), ( Stroke: 4-stroke )
The 6LY2M-STE Yanmar engine is a powerful and reliable four-stroke, diesel engine designed for marine applications. This engine is equipped with a high-pressure common rail (HPCR) system, which provides precise fuel injection for optimal combustion and efficient power delivery. The 6LY2M-STE engine features a Yanmar-developed high-pressure fuel pump, which delivers fuel at up to 2,200 bar (32,239 psi) for improved fuel economy and lower emissions.
The engine is equipped with a Yanmar-developed electronic control unit (ECU) that monitors and controls various engine functions, such as fuel injection, ignition, and engine speed. The ECU also provides diagnostic capabilities, making it easier to diagnose and troubleshoot any issues that may arise.
The 6LY2M-STE engine is designed with robust materials and construction, including a cast iron cylinder block and aluminum alloy cylinder head. The engine also features a wet sump lubrication system, which provides reliable lubrication to all moving parts.
The engine is equipped with a Yanmar-designed turbocharger, which provides increased power and torque through improved air intake. The turbocharger is coupled with an intercooler, which reduces the temperature of the intake air, improving engine efficiency and reducing emissions.
The 6LY2M-STE engine is also equipped with a Yanmar-designed water-cooled aftercooler, which cools the exhaust gas before it exits the engine, reducing emissions and improving engine efficiency.
The engine is designed for easy maintenance and service, with easy-to-reach service points and easy-to-remove engine covers. The engine is also equipped with a Yanmar-designed exhaust system, which meets the latest emissions standards and is designed for quiet operation.
The 6LY2M-STE engine is a high-performance, reliable, and efficient diesel engine that is ideally suited for a wide range of marine applications, from small pleasure boats to large commercial vessels. With its advanced fuel injection system, electronic control unit, and robust construction, the 6LY2M-STE engine is a reliable and powerful choice for boat owners and operators.
The (6LY2M-STE) Yanmar engine is a popular choice for many marine applications due to its reliability and performance. Here are some pros and cons to consider before making a purchase:
Pros:1. Reliability: Yanmar engines are known for their durability and long lifespan. The (6LY2M-STE) is no exception, with many users reporting satisfactory performance even after years of use.
2. Fuel Efficiency: This engine is known for its excellent fuel efficiency, which can save you money in the long run.
3. Power: The (6LY2M-STE) is a powerful engine, providing sufficient power for most marine applications.
4. Wide Availability: Yanmar engines are widely available worldwide, making it easy to find replacement parts or service centers.
Cons:1. Price: Yanmar engines are generally more expensive than other brands. The (6LY2M-STE) is no exception, which may be a barrier for some buyers.
2. Maintenance: While Yanmar engines are reliable, they require regular maintenance to ensure optimal performance. This can add to the overall cost of ownership.
3. Weight: The (6LY2M-STE) is a heavy engine, which can make it more difficult to install or remove.
In conclusion, the (6LY2M-STE) Yanmar engine is a reliable and powerful choice for marine applications. Its excellent fuel efficiency and wide availability are significant advantages, but its high price and maintenance requirements are worth considering. If you can afford the upfront cost and are willing to invest in regular maintenance, this engine is a great choice for its performance and durability.
These are in very good condition video: video. The price for a good running Yanmar 6ly is more than and you get complete parts motor. These motors are currently at a Yanmar dealer and for small fee the runner can be hooked up run inspected surveyed.
These where both in my Cabot and started having issues with the parts motor so I decided to buy new. They are both for sale as a set and I will not separate. I have all the books for these engines and spare parts including an offshore kit which is 1k alone.
I have a video of this motor running in my boat before we pulled her link attached. I have 2 Yanmar 6ly series motors 420hp for sale. 1 is a very strong runner and the other parts motor.