Subaru EX35 Parts Manual

Subaru EX35 Engine manual cover
Pages 32
Year 2009
Language(s)
English en

Subaru EX35 Engine Specification

The Subaru EX35 Engine is a robust and efficient power unit designed for a variety of applications, known for its reliability and performance. This four-stroke, single-cylinder engine features a displacement of 404cc, providing a balance of power and fuel efficiency suitable for demanding tasks. It operates with an overhead camshaft (OHC) configuration, which enhances its efficiency and reduces mechanical noise. The engine's bore and stroke measurements are 82mm and 65mm, respectively, contributing to its smooth operation and robust power output.

The EX35 is equipped with a forced air-cooling system, ensuring optimal temperature regulation during prolonged use. Its fuel system is managed by a high-performance carburetor, designed to deliver consistent fuel atomization for efficient combustion. The engine runs on unleaded gasoline, offering convenience and availability for users. It features a transistorized magneto ignition system that provides reliable starting and stable ignition timing, enhancing overall engine performance.

The EX35 also integrates an automatic decompression system that facilitates easy starting by reducing pull force. It has a recoil starter, which is standard for engines in its class, providing a user-friendly starting mechanism. The lubrication system is splash-type, ensuring critical components are adequately lubricated to minimize wear and extend engine life. With a compact design, the EX35 is lightweight yet durable, featuring high-quality materials that ensure longevity and resilience under various operating conditions.

Designed with environmental considerations in mind, the EX35 complies with stringent emissions regulations. This engine is an excellent choice for those seeking a dependable and efficient power source for industrial, construction, and agricultural equipment.

Subaru EX35 Engine F.A.Q.

What is the recommended oil type for the Subaru EX35 engine?

The recommended oil type for the Subaru EX35 engine is SAE 10W-30, but you should check your owner’s manual for any specific requirements based on your region or climate conditions.

How often should I change the oil in my Subaru EX35 engine?

It is recommended to change the oil every 3,000 to 5,000 miles, depending on your driving conditions and habits. Always refer to your owner’s manual for the manufacturer's recommended maintenance intervals.

What is the correct spark plug gap for the Subaru EX35 engine?

The correct spark plug gap for the Subaru EX35 engine is typically 0.028 to 0.031 inches. It's important to use a feeler gauge to ensure the gap is set correctly.

How do I troubleshoot a Subaru EX35 engine that won't start?

Begin by checking the battery connections, ensuring they are clean and tight. Verify that there is adequate fuel, and check the spark plug condition. If the engine still won't start, it may require professional diagnostic testing.

What should I do if my Subaru EX35 engine overheats?

If your engine overheats, turn off the engine immediately and allow it to cool. Check the coolant level and look for leaks. If the problem persists, consult a professional mechanic.

How can I improve the fuel efficiency of my Subaru EX35 engine?

To improve fuel efficiency, ensure your tires are properly inflated, replace air filters regularly, and perform regular maintenance like oil changes and spark plug replacements. Avoid excessive idling and aggressive driving habits.

What is the recommended coolant type for the Subaru EX35 engine?

The recommended coolant type for the Subaru EX35 engine is a long-life ethylene glycol-based antifreeze. Ensure it is mixed with distilled water in a 50/50 ratio.

How do I perform a compression test on my Subaru EX35 engine?

To perform a compression test, remove the spark plugs, disable the fuel system, and use a compression gauge on each cylinder. Crank the engine and record the pressure readings, comparing them against the manufacturer's specifications.

What are common signs of a failing Subaru EX35 engine?

Common signs include excessive oil consumption, unusual noises, loss of power, and smoke from the exhaust. If these symptoms occur, it's important to have the engine checked by a professional.

What maintenance should be performed regularly on the Subaru EX35 engine?

Regular maintenance should include oil and filter changes, checking and replacing air filters, spark plug inspection, and coolant level checks. Adhering to the maintenance schedule in your owner's manual is crucial for engine longevity.