Subaru EY35B User Instructions

Pages 16

Year 1994

Language(s)

of 16

Subaru EY35B Engine Specification

The Subaru EY35B engine is a robust and reliable air-cooled, four-stroke, single-cylinder engine known for its durability and performance in various applications. It features an OHV (Overhead Valve) configuration which enhances its operational efficiency and power output. The engine's displacement is 404 cc, providing a strong power delivery suitable for demanding environments. It operates with a bore and stroke of 82 mm and 64 mm, respectively, contributing to its efficient combustion process and power generation.

The EY35B engine is designed to deliver a maximum output of approximately 12 horsepower at 3600 RPM, making it suitable for a wide range of industrial and commercial uses. Its torque output peaks at 24.5 Nm at 2500 RPM, offering substantial pulling power and responsiveness. The engine's fuel system is equipped with a reliable carburetor, ensuring consistent fuel delivery and efficient combustion.

For cooling, the engine utilizes an air-cooled system, eliminating the need for a liquid cooling apparatus and thus reducing maintenance requirements and potential failure points. It has a recoil starter system which provides ease of use and reliability in starting operations. The engine is designed to run on unleaded gasoline, providing convenience and accessibility in fuel sourcing.

Its compact design and lightweight construction make it versatile and easy to integrate into various machinery and equipment. The Subaru EY35B engine is engineered to meet stringent environmental standards, offering low emissions and noise levels. This engine is built with high-quality materials and precision engineering, ensuring long operational life and reliability in diverse conditions. Its ease of maintenance and robust performance make it a preferred choice for professionals seeking dependable power solutions.

Subaru EY35B Engine F.A.Q.

What is the recommended oil type for a Subaru EY35B engine?

The recommended oil type for the Subaru EY35B engine is SAE 10W-30 for general use. Always refer to the owner's manual for specific recommendations and consider environmental conditions.

How often should the air filter be replaced on the Subaru EY35B engine?

The air filter should be checked and cleaned every 50 hours of operation and replaced every 200 hours or as needed, depending on operating conditions.

What is the best way to troubleshoot a Subaru EY35B engine that won't start?

First, check the fuel level and ensure the fuel valve is open. Verify the spark plug is functioning and properly connected. Also, ensure the air filter is clean and there are no blockages in the fuel line.

How can I improve fuel efficiency for my Subaru EY35B engine?

Regular maintenance, including changing the oil, cleaning or replacing the air filter, and ensuring the spark plug is in good condition, can help improve fuel efficiency.

What are common causes of overheating in the Subaru EY35B engine?

Overheating can be caused by low oil levels, a dirty or clogged air filter, or inadequate ventilation. It is important to address these issues promptly to prevent damage.

How do I adjust the idle speed on a Subaru EY35B engine?

To adjust the idle speed, locate the idle speed screw on the carburetor. Turn it clockwise to increase the idle speed or counterclockwise to decrease it, as needed.

What maintenance steps are necessary before storing the Subaru EY35B engine for an extended period?

Before storing, drain the fuel, change the oil, clean the air filter, and remove the spark plug to add a few drops of oil into the cylinder to prevent rust. Store the engine in a dry place.

Why is my Subaru EY35B engine producing black smoke?

Black smoke may indicate a rich fuel mixture. Check the air filter for blockages, ensure the choke is not engaged, and inspect the carburetor settings.

How can I prevent my Subaru EY35B engine from stalling under load?

Regularly clean the air filter, ensure the fuel system is clean, check the spark plug, and adjust the carburetor settings to provide the correct fuel mixture.

What spark plug is suitable for the Subaru EY35B engine?

The suitable spark plug for the Subaru EY35B engine is the NGK BMR6A or an equivalent. Ensure it is gapped correctly as per the manufacturer's specifications.