Contents

CONTENTS
INTRODUCTION
- SAFETY MESSAGES
- DAMAGE PREVENTION MESSAGES
- SAFETY INFORMATION
COMPONENT & CONTROL LOCATION
THROTTLE CABLE CONNECTION
BEFORE OPERATION CHECKS
- IS YOUR ENGINE READY TO GO?
OPERATION
- SAFE OPERATING PRECAUTIONS
- STARTING THE ENGINE
- SETTING ENGINE SPEED
- STOPPING THE ENGINE
SERVICING YOUR ENGINE
- THE IMPORTANCE OF MAINTENANCE
- MAINTENANCE SAFETY
- SAFETY PRECAUTIONS
- MAINTENANCE SCHEDULE
- REFUELING
- ENGINE OIL
- AIR CLEANER
- SPARK PLUG
- IDLE SPEED ADJUSTMENT
- FLYWHEEL BRAKE INSPECTION (A TYPES ONLY)
- SPARK ARRESTER (OPTIONAL EQUIPMENT)
HELPFUL TIPS & SUGGESTIONS
- STORING YOUR ENGINE
- ADDING A GASOLINE STABILIZER
- DRAINING THE FUEL TANK AND CARBURETOR
- TRANSPORTING
TAKING CARE OF UNEXPECTED PROBLEMS
- ENGINE WILL NOT START
- ENGINE LACKS POWER
TECHNICAL & CONSUMER INFORMATION
- TECHNICAL INFORMATION
  - SERIAL NUMBER LOCATION
  - CARBURETOR MODIFICATIONS FOR HIGH ALTITUDE OPERATION
  - OXYGENATED FUELS
  - EMISSION CONTROL SYSTEM INFORMATION
  - AIR INDEX
  - SPECIFICATIONS
- CONSUMER INFORMATION
  - HONDA PUBLICATIONS
  - DISTRIBUTOR'S LIMITED WARRANTY
  - EMISSION CONTROL SYSTEM WARRANTY
  - DISTRIBUTOR/DEALER LOCATOR INFORMATION
  - WARRANTY SERVICE INFORMATION

Honda GXV140 2003 Owner's Manual

Pages 12

Year 2003

Language(s)

of 12

Honda GXV140 2003 Engine Specification

The Honda GXV140 engine, released in 2003, is a robust and reliable power unit specifically designed for heavy-duty applications such as lawn mowers and industrial machinery. This four-stroke, overhead valve (OHV) engine is air-cooled and features a single-cylinder design, offering a balance of power and efficiency. The engine boasts a displacement of 135 cm³, which translates to a power output of approximately 3.5 horsepower, making it suitable for demanding tasks.

The GXV140's bore and stroke measure 64 mm and 42 mm, respectively, contributing to its efficient combustion and performance. It operates with a compression ratio of 8.5:1, which enhances fuel efficiency and power delivery. The engine is equipped with a horizontal shaft, providing versatility in various equipment configurations. It is designed with a recoil starter system, ensuring reliable and easy starting in different conditions.

Fuel efficiency is a highlight of the GXV140, attributed to its precision-engineered carburetor and efficient combustion chamber design. The engine's fuel tank has a capacity of 1.5 liters, allowing for extended operation between refueling. For lubrication, it utilizes a splash lubrication system, which ensures consistent oil distribution and engine longevity.

The GXV140 is constructed with high-quality materials, offering durability and a long operational lifespan. Its compact dimensions and lightweight design facilitate easy integration into various machinery while maintaining a low operational noise level. Additionally, the engine complies with stringent emission regulations, making it an environmentally friendly option for users. Overall, the Honda GXV140 engine is a well-engineered solution that combines reliability, efficiency, and performance, catering to a wide range of industrial and commercial applications.

Honda GXV140 2003 Engine F.A.Q.

How do I start the Honda GXV140 2003 engine?

To start the Honda GXV140 2003 engine, ensure the fuel valve is open, the throttle is set to 'choke' for a cold engine or 'run' for a warm engine. Then, pull the starter grip slowly until resistance is felt, then pull briskly.

What type of oil should I use for the Honda GXV140 2003 engine?

Use SAE 10W-30 oil for general use. Ensure that the oil is API service classification SJ or later.

How often should I change the oil in the Honda GXV140 2003 engine?

Change the oil every 50 hours of operation or annually, whichever comes first.

What is the recommended spark plug for the Honda GXV140 2003 engine?

The recommended spark plug is NGK BPR6ES or an equivalent. Ensure the gap is set to 0.028-0.031 inches (0.7-0.8 mm).

How do I troubleshoot if the engine won't start?

Check fuel levels, ensure the fuel valve is open, and the spark plug is clean and properly gapped. Verify that the air filter is clean and the ignition switch is in the 'ON' position.

How do I clean the air filter of the Honda GXV140 2003 engine?

Remove the air filter cover and take out the filter. Wash it with warm, soapy water, rinse thoroughly, and allow it to dry completely. Reinstall the filter and cover.

What is the procedure for adjusting the carburetor on the Honda GXV140 2003 engine?

Ensure the engine is warm. Adjust the idle speed screw to achieve a smooth idle. If necessary, adjust the idle mixture screw for optimal performance.

How can I improve fuel efficiency of the Honda GXV140 2003 engine?

Regular maintenance such as changing oil, cleaning or replacing the air filter, and ensuring the carburetor is properly adjusted can improve fuel efficiency.

What should I do if the engine is overheating?

Check for debris blocking the cooling fin area, ensure oil level is adequate, and verify that the air intake is not obstructed. Allow the engine to cool before further inspection.

How do I store the Honda GXV140 2003 engine for the winter?

Drain the fuel tank and carburetor, change the oil, remove the spark plug and add a few drops of oil into the cylinder, pulling the starter gently to distribute the oil. Store in a dry place.