Honda GX200 Spark Plug Gap, Number & Socket Size Guide

Nothing is as critical as the little yet mighty spark plug in the electrifying world of engine maintenance.

You’re about to delve into an in-depth guide on the Honda GX200 spark plug gap, number, and socket size. Although small, this essential component plays a colossal role in your engine’s performance.

Understanding the correct gap, model number, and socket size can be the difference between a smooth ride and a frustrating misfire.

This guide is your trusty companion, providing you with the detailed, accurate technical information you need. Perfect for those who share a common love for efficient, well-maintained engines.

You’re not just reading an article, you’re joining a community of Honda GX200 enthusiasts who value performance and precision.

So, strap in as we navigate the intricate world of spark plugs, ensuring your Honda GX200 runs as smoothly as the day it rolled off the production line.

Honda GX200 Spark Plug Gap, Number & Socket Size Guide

Key Takeaways

  • The Honda GX200 spark plug gap should be set between 0.028″– 0.031″ (0.7 – 0.8 mm) for optimal combustion and fuel efficiency.
  • The spark plug socket size required for Honda GX200 is 13/16′ (21mm); using the correct socket size prevents damage during installation or removal of the spark plug.
  • The number of spark plugs indicates the heat range and design, which affects the performance of the engine.
  • Honda offers a wide range of engine models catering to different needs, including the GX200, which is known for its durability and reliability. The GX100 for compactness and fuel efficiency, the GXV Series for high performance and lower fuel consumption, the GCV Series for easy starting and quiet operation, and V-Twin series for powerful and reliable engines.
  • Owner´s manual –

Honda GX200 Spark Plug Gap & Number

You’ll need to ensure your Honda GX200’s spark plug is gapped correctly at 0.028″– 0.031″ (0.7 – 0.8 mm) for optimal engine performance. This isn’t just a suggestion; it’s a critical aspect of maintaining your engine’s efficiency, longevity, and overall health.

A properly gapped spark plug ensures optimal combustion, leading to better fuel efficiency and smoother engine operation.

Now, let’s dive into specifics. The number associated with your spark plug, whether it’s the BPR6ES (NGK) 98079-56846 or the W20EPR-U (DENSO) 98079-56855, isn’t just a random sequence.

It’s a unique identifier telling you the heat range and design of the plug. Understanding this can help you make more informed decisions about your engine’s maintenance and performance.

As a member of the Honda GX200 engine community, paying attention to these details is essential. They’re not merely technical specs but a testament to your commitment to excellence and your engine’s reliable performance.

We’re all on this journey together, striving to get the best out of our Honda engines. Remember, a correctly gapped and numbered spark plug is a key ingredient in that recipe for success.

Honda GX200 Spark Plug Socket Size

Imagine wielding a 13/16′ (21mm) wrench, feeling its cool metal in your hand as you prepare to install or remove that essential piece of your engine – the spark plug. The Honda GX200 spark plug socket size is key to your successful maintenance or repair work.

It’s not just a random figure; it’s calibrated to fit the spark plug perfectly, ensuring effective and safe handling. The 13/16′ (21mm) socket size is ideal for a secure grip on the spark plug. This size ensures that the spark plug is neither too loose nor too tight in the socket. The right socket size prevents damage to the spark plug during installation or removal.

You are part of a community of Honda engine owners who value precision and accuracy. Armed with the correct information, you’re ready to handle your engine’s needs professionally. Remember, using the right tools, like a 13/16′ (21mm) socket size for your Honda GX200 spark plug, is paramount to the longevity and performance of your engine.

So, wear that wrench with pride, knowing you’re not only maintaining your engine but also upholding the high standards of the Honda community.

All Honda Engines Series

Diving into the world of engines, it’s intriguing to explore the extensive list of all the powerhouses that have been crafted by a certain renowned automaker.

Honda, a name synonymous with power and performance, has a remarkable range of engines that cater to varying needs and applications. From the smallest, the GC Series, to the largest, the iGX Series, Honda has always set the bar high with its engines.

You’re part of an exclusive group of engine enthusiasts who appreciate the craftsmanship and technical excellence that goes into creating each Honda engine.

Whether it’s the GX200, known for its durability and reliability in demanding conditions, or the GX100, noted for its compact size and fuel efficiency, each Honda engine has its unique features and benefits.

Other notable engines include the GXV Series, which boasts high performance and lower fuel consumption, and the GCV Series, designed for easy starting and quiet operation. Honda also offers the V-Twin series, a testament to Honda’s commitment to providing powerful, efficient, and reliable engines.

So, whichever path you take in your engine exploration journey, remember that Honda’s diverse engine lineup has something for everyone.

Frequently Asked Questions

What are the signs of a bad spark plug in a Honda GX200 engine?

Imagine your Honda GX200 stuttering, struggling to start, or losing power. These are signs of a bad spark plug. You may also notice poor fuel economy, rough idling, or even engine misfires. Always check regularly!

How often should I change the spark plug in my Honda GX200?

Typically, it’s recommended to replace the spark plug in your Honda GX200 every 300 hours of use. However, if you’re experiencing issues or the spark plug appears worn or damaged, consider replacing it sooner.

What are the potential consequences of using the wrong spark plug gap in a Honda GX200?

Using the wrong spark plug gap in your Honda GX200 can cause poor engine performance, increased fuel consumption, and possibly engine damage. It’s crucial to use the correct gap for optimum engine health.

Can I use a different brand of spark plug in my Honda GX200 engine other than the one recommended by Honda?

Sure, you can use different spark plug brands in your GX200. Around 80% of engine issues arise from improper maintenance, not brand choice. But ensure it meets Honda’s specifications to maintain your engine’s performance.

How does a spark plug affect the performance of a Honda GX200 engine?

The right spark plug boosts your GX200’s performance by ensuring optimal combustion. It affects fuel efficiency, engine power, and longevity. Using incorrect ones could lead to misfires or engine damage, so choose wisely.


In wrapping up, you’ve learned the ins and outs of your Honda GX200 spark plug. You’ve grasped the perfect gap, number, and ideal socket size.

Doesn’t it feel powerful to have such detailed technical knowledge? With this, you’ve debunked any misplaced theories, and you’re now armed with accurate information.

Remember, maintaining your engine’s spark plug is key to its performance. So, let’s keep those engines roaring, shall we?

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