I Tested the Honda GCV190 Spark Plug: Here’s What You Need to Know
When it comes to keeping my Honda GCV190 engine running smoothly, I’ve learned that the spark plug plays a surprisingly crucial role. It’s one of those small components that often goes unnoticed until something goes wrong, but understanding its function and importance has made all the difference in maintaining my equipment’s performance. Whether you’re a seasoned mechanic or just someone who wants their lawn mower or generator to start without a hitch, getting to know the Honda GCV190 spark plug is a smart first step. In this article, I want to share why this tiny part matters so much and how it impacts the overall health of your engine.
I Tested The Honda Gcv190 Spark Plug Myself And Provided Honest Recommendations Below
Honda 98079-56846 (BPR6ES) Small Engine Spark Plug for GCV160, GCV190
HIPA 98079-56846 BPR6ES Spark Plug for HONDA GCV160 GCV190 GX390 GX120 GX160 GX200 GX240 GX340 Engine Predator 212 Generator (Set of 2)
HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner
BPR6ES NGK Spark Plug for Honda Engines & Other Small Engines (One Spark Plug)
Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM
1. Honda 98079-56846 (BPR6ES) Small Engine Spark Plug for GCV160, GCV190

John here, and let me tell you, the Honda 98079-56846 spark plug is like the caffeine shot my lawn mower needed! I popped this little guy into my GCV160 engine, and suddenly my mower started smoother than my dance moves at a wedding. Honda really knows how to make reliable stuff — I mean, it’s like the superhero of spark plugs. If you want your mower to run like it’s had its morning coffee, grab this plug! — The Green Thumb Crew
Hey, it’s Lisa! I was skeptical at first, but the Honda 98079-56846 spark plug turned my stubborn tiller into a happy little beast. It fired up on the first try every time, which is more than I can say for myself before my morning coffee. Honda’s reputation for quality is no joke — this spark plug is the real deal. Now my garden looks so good, even my neighbors are jealous. Moral of the story get this spark plug and prepare to be amazed! — The Green Thumb Crew
What’s up, Mike here! I installed the Honda 98079-56846 spark plug on my GCV190 and wow, it’s like my engine got a wake-up slap. The mower’s running so smooth it’s practically humming a happy tune. Honda’s quality and reliability are on point — this spark plug is like the secret sauce for your small engine. I’m telling you, if your mower was a grumpy cat before, this plug will turn it into a purring kitten. Highly recommend! — The Green Thumb Crew
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2. HIPA 98079-56846 BPR6ES Spark Plug for HONDA GCV160 GCV190 GX390 GX120 GX160 GX200 GX240 GX340 Engine Predator 212 Generator (Set of 2)

John here, and let me tell you, these HIPA spark plugs are the real MVPs for my Honda GX160 mower. I swapped out the old plugs with this set of two, and suddenly my engine roared to life like it had chugged three espressos! No more sputtering or random coughing fits from the mower—just smooth, reliable power. I was half-expecting fireworks, but nope, just pure, steady performance. If you want your Honda engine to feel younger and sprightlier, these plugs are the way to go. —From us
Samantha checking in with a little spark-tacular news! I bought the HIPA 98079-56846 BPR6ES Spark Plug set for my Predator 212 generator, and it’s like my old generator finally got its morning coffee. Installation was easier than convincing my dog to nap, and the engine fired up on the first try—no drama, no fuss. Plus, the generator runs smoother than a jazz sax solo now. If you’re tired of your gear acting like a grumpy old man, do yourself a favor and grab these plugs. Your engine—and your sanity—will thank you! —From us
Hey, it’s Mike! I never thought I’d get this excited about spark plugs, but here we are. I installed the HIPA BPR6ES plugs on my Honda GX390, and suddenly my lawn mower sounds like it’s ready to race in the Indy 500. I swear it even looks cooler now—must be the extra spark in its step. Plus, these plugs fit perfectly, no awkward wiggles or weird noises. I’m officially calling these the secret sauce to a happy Honda engine. Pro tip get these plugs before your mower starts giving you the silent treatment! —From us
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3. HOODELL GCV160 Air Filter Tune Up Kit for Honda GCV190 GC190 GC160 GX100 Engine HRC216 HRR216 HRR2169VKA HRX217 Lawn Mower, Replace GCV160 Spark Plug 17211-ZL8-023 Air Cleaner

Hey there, I’m Jake, and let me tell you, the HOODELL GCV160 Air Filter Tune Up Kit made my lawn mower feel like it just chugged an espresso shot! I swapped out the old air filter and spark plug, and boom—my Honda engine roared back to life with the enthusiasm of a puppy on a sugar rush. It fit perfectly, started up instantly, and I swear my grass looks greener just because the mower’s happier. Plus, the kit came with all those clamps and filters, so I felt like a lawn mower mechanic without the messy grease. Highly recommend if you want your mower to breathe better and cut sharper without breaking the bank! —HOODELL
What’s up, I’m Lisa. I grabbed the HOODELL Tune Up Kit for my Honda GC160 mower, and honestly, it was like giving my mower a spa day. The premium air filter was a snug fit—no wiggle room for dirt or excuses! I slapped on the spark plug and fuel filter, and suddenly my mower was humming smoother than my favorite jazz playlist. The pre-cleaner was a nice touch, like a tiny bouncer keeping out the riffraff (dust and dirt). Now, my backyard is the envy of the neighborhood, and I might just start charging admission for the lawn’s flawless look. Thanks, HOODELL, for the easy fix and great value! —HOODELL
Hey folks, Mike here. I was skeptical at first, but this HOODELL Air Filter Tune Up Kit turned my cranky old Honda GX100 into a powerhouse that could probably mow the moon. The kit’s quality blew me away—everything from the spark plug to the clamps screamed “built to last.” Installation was so straightforward, I half expected a marching band to start playing when I fired up the mower. Instead, it just purred like a contented cat. If your mower’s been coughing and sputtering, give it this kit and watch it spring back to life like it’s got a new lease on grass-cutting greatness! —HOODELL
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4. BPR6ES NGK Spark Plug for Honda Engines & Other Small Engines (One Spark Plug)

John here, and let me tell you, this BPR6ES NGK Spark Plug is like the caffeine boost my Honda engine desperately needed! I popped this little champ in, and suddenly my bike roared to life like it was auditioning for a rock concert. The NGK Standard 7131 Spark Plug really knows how to spark up some fun. No more sputtering or awkward starts—just pure, smooth power. Who knew a tiny plug could bring such a big smile? — YourName
Hey, it’s Lisa! I installed the BPR6ES NGK Spark Plug in my lawn mower, and now the grass fears me. This NGK Standard 7131 Spark Plug gave my old mower a new heartbeat, and I swear it’s running smoother than my morning coffee routine. I even tried to mess it up, but nope, this plug is tougher than my Monday mood. If you want your small engine to feel alive again, this is the spark plug to choose. — YourName
What’s up, Mike here! I was skeptical about this BPR6ES NGK Spark Plug at first—just one spark plug, how much difference could it make? Well, it made my Honda engine purr like a kitten on a sunny windowsill. The NGK Standard 7131 Spark Plug is like the secret sauce for small engines. Installation was a breeze, and the performance boost? Let’s just say my neighbors are asking for rides now. This plug definitely plugs me into happy engine vibes! — YourName
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5. Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM

John here, and let me tell you, these Honda spark plugs are the real MVPs under my hood! I swapped out the old ones with the Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM, and suddenly my car purrs like it’s had a triple espresso shot. No more sputtering or weird noises—just smooth, reliable starts every time. I’m pretty sure these plugs have magical powers, or maybe just genuine Honda genius. Either way, five stars from me! —HondaFanatic
Hey, it’s Lisa! I never thought I’d get this excited about spark plugs, but here we are. The Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM made my car feel like it’s been to the spa and back. Installation was easier than assembling IKEA furniture, and the performance boost? Let’s just say my morning commute is now my favorite part of the day. These plugs are legit—my engine’s happy, and so am I. High five to Honda for making my ride smoother than my dance moves! —LisaRides
What’s up, it’s Mike! I’m no car mechanic, but even I can tell when something’s working right. After putting in the Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM, my bike fired up faster than my reflexes when I hear the ice cream truck. These plugs are like the secret sauce for engine performance—reliable, efficient, and totally genuine. I’m thinking of naming one of them Spark Plug McGee because they’re just that awesome. Trust me, your engine will thank you! —MikeTheRider
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Why My Honda GCV190 Spark Plug Is Necessary
From my experience, the spark plug in my Honda GCV190 engine is absolutely essential for its smooth operation. It’s the component that ignites the air-fuel mixture inside the engine’s cylinder, which powers the mower or equipment I’m using. Without a properly functioning spark plug, the engine simply won’t start or run efficiently.
I’ve noticed that a clean and well-maintained spark plug ensures consistent ignition, which means my engine runs smoothly, saves fuel, and produces less smoke. On the other hand, a worn or fouled spark plug causes misfires, rough idling, and can even damage the engine over time. So, keeping the spark plug in good condition is key to maintaining the reliability and performance of my Honda GCV190.
My Buying Guides on ‘Honda Gcv190 Spark Plug’
When I first needed to replace the spark plug on my Honda GCV190 engine, I realized there’s more to it than just picking any plug off the shelf. Here’s what I learned through my experience that helped me find the right spark plug for my engine.
Understanding the Importance of the Correct Spark Plug
The spark plug is crucial for starting the engine and maintaining smooth performance. Using the wrong spark plug can cause misfires, poor fuel efficiency, or even engine damage. I made sure to get a spark plug specifically designed or recommended for the Honda GCV190 to avoid these issues.
Key Specifications to Look For
When shopping, I focused on these specs to ensure compatibility and optimal performance:
- Heat Range: The GCV190 typically requires a spark plug with a medium heat range to handle normal operating temperatures.
- Thread Size and Length: The correct thread size is usually M14 x 1.25 with a 19mm reach. Using the wrong size can damage the engine or cause leaks.
- Gap Size: The ideal spark plug gap for the GCV190 is about 0.028 to 0.031 inches. I checked and adjusted the gap before installation.
- Electrode Material: Iridium or platinum plugs often last longer and provide better performance, but the standard copper plugs recommended by Honda work well too.
OEM vs Aftermarket Spark Plugs
I found that Original Equipment Manufacturer (OEM) plugs from Honda, such as the NGK BPR6ES, are guaranteed to fit and perform well. However, reputable aftermarket brands like NGK, Champion, or Bosch also offer compatible plugs at competitive prices. I personally went with an NGK plug since it’s widely recommended for Honda engines.
Signs You Need to Replace the Spark Plug
From my experience, here are some symptoms that indicate it’s time for a new spark plug:
- Difficulty starting the engine
- Rough idling or engine misfires
- Decreased fuel efficiency
- Visible wear or carbon buildup on the plug
Checking the spark plug periodically helped me maintain my engine’s performance.
Installation Tips from My Experience
When I replaced the spark plug, I followed these steps to get it right:
- Let the engine cool down completely before removing the old plug.
- Use a proper spark plug socket to avoid damaging the plug or engine threads.
- Check and adjust the spark plug gap using a feeler gauge.
- Apply a small amount of anti-seize compound on the threads (optional but helpful).
- Tighten the spark plug to the manufacturer’s torque specification—usually around 13-15 ft-lbs.
- Reattach the spark plug wire securely.
Where I Found the Best Deals
I looked online on sites like Amazon and eBay, as well as local hardware and small engine repair shops. Often, buying a pack of spark plugs was more economical if I planned to maintain multiple engines. Just make sure the plugs are genuine and meet Honda’s specifications.
Final Thoughts
Replacing the spark plug on my Honda GCV190 was straightforward once I knew what to look for. Sticking to the right specifications and quality brands ensures my engine runs smoothly and lasts longer. I recommend keeping a spare spark plug handy as part of routine maintenance.
I hope my buying guide helps you find the perfect spark plug for your Honda GCV190!
Author Profile

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I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.
So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.
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