Honda GXV120 1985 Owner's Manual

Honda GXV120 1985 Engine manual cover
Pages 33
Year 1985
Language(s)
English en

Honda GXV120 1985 Engine Specification

The Honda GXV120 1985 engine is a compact, air-cooled, 4-stroke, single-cylinder engine renowned for its reliability and efficiency. With a displacement of 118 cc, this engine is designed for various small-scale commercial applications, including lawn mowers and other light-duty equipment. It features an overhead valve (OHV) configuration which enhances its fuel efficiency and power output while reducing emissions. The engine's bore and stroke measure 60 mm and 42 mm, respectively, contributing to its balanced performance profile.

The GXV120 is equipped with a horizontal shaft and a recoil start mechanism, facilitating straightforward operation. It generates a maximum output of approximately 3.5 horsepower at 3,600 RPM, providing sufficient power for its intended applications. The engine's lubrication system is splash-type, ensuring consistent lubrication of moving parts and enhancing durability. It utilizes a transistorized magneto ignition system, offering reliable spark delivery and easy starting.

This engine also includes a float-type carburetor, which optimizes fuel-air mixture for efficient combustion, and a centrifugal governor, which maintains steady engine speed under varying load conditions. Its fuel tank has a capacity of 1.5 liters, offering a reasonable runtime between refueling. The GXV120's compact dimensions and lightweight design facilitate easy integration into equipment, while its robust construction supports longevity and reduced maintenance requirements. Overall, the Honda GXV120 1985 engine combines efficiency, reliability, and ease of use, making it a suitable choice for small machinery applications.

Honda GXV120 1985 Engine F.A.Q.

How do I start the Honda GXV120 1985 engine?

To start the Honda GXV120 1985 engine, first ensure the fuel valve is open. Set the choke to the closed position if the engine is cold. Pull the starter grip lightly until resistance is felt, then pull briskly.

What is the recommended oil type for the Honda GXV120 engine?

The recommended oil type for the Honda GXV120 engine is SAE 10W-30 for general use. Ensure that the oil is suitable for the ambient temperature range in which you are operating the engine.

How often should I change the oil in my Honda GXV120 engine?

Change the oil after the first 5 hours of operation, and then every 50 hours or every season thereafter. Always check the oil level before each use.

What should I do if my Honda GXV120 engine won't start?

Check for fuel in the tank and ensure the fuel valve is open. Inspect the spark plug for wear or damage, and clean or replace if necessary. Make sure the choke is set properly and the air filter is clean.

How can I maintain the air filter on my Honda GXV120 engine?

Check and clean the air filter every 25 hours of use. If it is paper, replace it if it is dirty or damaged. If it is foam, clean it with soap and water, dry thoroughly, and apply a few drops of clean engine oil before reinstallation.

What is the correct spark plug gap for the Honda GXV120 engine?

The correct spark plug gap for the Honda GXV120 engine is 0.7-0.8 mm (0.028-0.031 in). Ensure the spark plug is clean and properly gapped before installation.

How do I adjust the idle speed on the Honda GXV120 engine?

To adjust the idle speed, locate the idle speed screw on the carburetor. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it. Adjust until the engine idles smoothly.

What should I do if there is smoke coming from the Honda GXV120 engine?

If smoke is coming from the engine, check the oil level and quality, as overfilled or old oil can cause smoke. Also, inspect for leaks or blockages in the exhaust. If the issue persists, consult a professional technician.

How do I winterize my Honda GXV120 engine?

To winterize the Honda GXV120 engine, drain the fuel tank and carburetor, or add a fuel stabilizer to prevent gumming. Change the oil, clean or replace the air filter, and remove the spark plug to add a few drops of oil to the cylinder. Reinstall the spark plug after pulling the starter a few times.

How can I troubleshoot overheating issues in my Honda GXV120 engine?

To troubleshoot overheating, ensure the engine has adequate ventilation and the cooling fins are clean. Check the oil level and quality, as low or dirty oil can cause overheating. Inspect for any blockages in the exhaust or intake systems.