4-Cycle Spark Plug

Features

  • Compatible with RYOBI string trimmers and blowers
  • Enhances engine performance
  • Improves starting

Specifications

Model AC00164A
Replaces RY4C CMR7A

This spark plug is designed for use with 4-cycle engines in string trimmers and blowers. It helps maintain engine performance and improve starting.

Model Number: AC00164A

Ryobi 4-Cycle Spark Plug Review

4.5 out of 5

Navigating through the world of small engine maintenance, one component that often gets overlooked but plays a crucial role in performance is the spark plug. Recently, I've had the opportunity to test out the Ryobi 4-Cycle Spark Plug, model AC00164A, designed for use with Ryobi string trimmers and blowers. Here’s a detailed recount of my experience with this spark plug, exploring its performance, ease of installation, and overall value.

A Spark of Life for Your 4-Cycle Engine

I started by inspecting the spark plug right out of the package. It's a straightforward component, but its importance can't be understated. The construction appears robust, with the spark plug featuring a well-machined tip and threads that inspire confidence in its durability and fit.

Installation Made Simple

Installing the Ryobi 4-Cycle Spark Plug was a breeze. After ensuring the gap was correctly set—which, in this case, it was right out of the box—I proceeded to replace the old plug in my Ryobi string trimmer. The plug screwed into place smoothly without any resistance, a testament to its precise threading. Reconnecting the wire was just as effortless, and within minutes, the installation was complete.

Performance That Speaks Volumes

The true test of any spark plug is how it impacts engine performance. After installing the Ryobi 4-Cycle Spark Plug, I primed the carburetor and gave the starter cord a couple of pulls. The engine roared to life almost instantly, a significant improvement from its previous state. This quick start was not a one-time fluke; subsequent starts were equally prompt, establishing a pattern of reliability.

Enhancing Engine Efficiency

Over the next few weeks, I put my string trimmer through its paces, using it for various yard maintenance tasks. The engine performance was noticeably smoother, with fewer instances of sputtering or hesitation. The spark plug seemed to enhance the overall combustion efficiency, which translated to more consistent power delivery. This improvement in performance wasn’t just about power; the engine felt more responsive and less strained during prolonged use.

Compatibility and Availability

One of the key selling points of this spark plug is its compatibility with Ryobi 4-cycle engines. I appreciated that it’s designed to replace the Ry4C CMR7A, making it a suitable choice for a range of Ryobi string trimmers and blowers. However, I did notice that finding this specific spark plug in local stores was sometimes a challenge. While Home Depot does stock it, availability can vary, and in some cases, you might have to resort to online ordering. This minor inconvenience is something to consider if you need a quick replacement.

Price vs. Performance

When it comes to price, the Ryobi 4-Cycle Spark Plug is a bit on the higher side compared to generic alternatives. However, the performance improvements and the peace of mind knowing you're using an OEM replacement justify the expense. Cheaper plugs might save you a few bucks initially, but they often fall short in terms of durability and performance consistency.

Not Without Its Flaws

While my experience was largely positive, it’s worth noting that not every user may have the same seamless experience. The plug is not universally compatible with all 4-cycle Ryobi tools, particularly power washers. This limitation can lead to some frustration if you’re not entirely certain about the specific requirements of your engine. Additionally, the lack of detailed compatibility charts in-store can make it challenging to ensure you’re purchasing the correct plug.

Final Thoughts

After thoroughly testing the Ryobi 4-Cycle Spark Plug, I can confidently say it’s a worthy investment for anyone using Ryobi 4-cycle string trimmers and blowers. Its ease of installation, coupled with the noticeable improvements in engine performance and starting reliability, make it a standout choice. While the higher price and occasional availability issues are minor drawbacks, they are overshadowed by the plug’s overall effectiveness.

If you’re in need of a reliable replacement spark plug that can breathe new life into your Ryobi 4-cycle engine, the Ryobi 4-Cycle Spark Plug (model AC00164A) is highly recommended. It provides a seamless fit, enhances engine performance, and offers the durability you’d expect from an OEM part. Just ensure you’re getting the right plug for your specific model, and you’ll likely find it to be an excellent addition to your maintenance toolkit.


Project Ideas

Business

Engine Tune-Up Service

Offer a mobile engine tune-up service for string trimmers and blowers, including spark plug replacement, to improve performance and starting.


Spark Plug Recycling

Start a spark plug recycling business. Collect used spark plugs from local repair shops and recycle them responsibly, possibly repurposing them for creative projects.


DIY Repair Kits

Create and sell DIY repair kits for 4-cycle engines, which include a new spark plug, instructional guide, and necessary tools for engine maintenance.


Custom Painted Spark Plugs

Offer custom-painted spark plugs as unique gifts or novelty items. Each spark plug can be personalized with different designs or messages.


Engine Performance Workshops

Host workshops teaching people how to maintain and improve the performance of their 4-cycle engines, including how to replace and choose the right spark plugs.

Creative

Spark Plug Keychain

Create a unique keychain by attaching a used 4-cycle spark plug to a keyring. Paint it with vibrant colors for a custom look.


Engine Parts Sculpture

Use old spark plugs and other engine parts to create intricate sculptures. This can be a fun way to repurpose used parts into art.


Garden Marker

Repurpose used spark plugs as garden markers. Attach them to wooden stakes and write the plant names on the plugs for a rustic look.


Industrial Jewelry

Design industrial-themed jewelry using cleaned and polished spark plugs. Create necklaces, earrings, or bracelets for a unique style statement.


Mini Plant Holders

Convert used spark plugs into mini plant holders for small succulents or air plants. Paint and decorate them to add a touch of greenery to any space.