• Model: EG Models
  • Manufactured by: Yanmar
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Yanmar 3YM30, 3YM20, and 2YM15 Marine Diesel Engines



The Yanmar 3YM30, 3YM20, and 2YM15 are three-cylinder, water-cooled, four-stroke marine diesel engines with indirect injection and a displacement of 1.35 liters, 1.12 liters, and 0.85 liters, respectively. They are naturally aspirated and produce 30 horsepower (22 kW) at 3,000 rpm, 20 horsepower (15 kW) at 3,000 rpm, and 15 horsepower (11 kW) at 3,000 rpm, respectively. The engines are designed for use in a variety of marine applications, including sailboats, powerboats, and workboats.

All three engines feature a cast iron cylinder block and cylinder head, a forged steel crankshaft, and aluminum alloy pistons. The 3YM30 and 3YM20 have a bore and stroke of 75 mm × 78 mm, while the 2YM15 has a bore and stroke of 75 mm × 72 mm. The engines have a compression ratio of 18:1.

The engines are equipped with a variety of features to ensure reliability and durability in marine environments. These features include:

* A raw water pump with a bronze impeller
* A thermostatically controlled cooling system
* A fuel pump with a built-in fuel filter
* An oil cooler
* A zinc anode to protect the engine from corrosion

The engines are also equipped with a variety of sensors and gauges to monitor engine operation. These sensors and gauges include:

* An oil pressure gauge
* A water temperature gauge
* A tachometer
* An hour meter

The engines are available with a variety of optional features, including:

* A heat exchanger
* A sound shield
* A remote control panel

The Yanmar 3YM30, 3YM20, and 2YM15 marine diesel engines are reliable, durable, and powerful engines that are designed for use in a variety of marine applications. They are backed by Yanmar's extensive experience in the marine industry and are supported by a global network of dealers and service centers.


Yanmar 3YM30, 3YM20, 2YM15 engine Service manual Download!
This Yanmar 3YM30, 3YM20, 2YM15 manual is a detailed file and it is illustrated with clear step-by-step instructions. This yanmar manual contains the following model(s): Yanmar 3YM30 3YM20 2YM15 Pages: 231
The Yanmar 3YM30, 3YM20, 2YM15 pdf contains help for troubleshooting and will support you how to fix your problems immediately.
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Yanmar 3YM30, 3YM20, 2YM15 Service repair manual for sale
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In this yanmar manual you have the following chapters: General Inspection also adjustment Troubleshooting Disassembly also reassembly Inspection also servicing of basic engine component Intake also exhaust system Lubrication system Cooling water system Remote control Electrical system Repair standards Tightening torque for bolts also nuts

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