Denso W20EPR-U Spark Plug - Standard Heat Range - GX200 Clone
$7.92 USD
Sale price
$7.92 USD
Regular price
When you're searching your favorite online kart store for reliable ignition components, the Denso W20EPR-U Spark Plug stands out as the ultimate choice for GX200 clones, delivering the consistent spark needed to maximize combustion efficiency.
Precision Ignition for GX200 Clones
The Denso W20EPR-U utilizes a patented U-Groove ground electrode that allows the flame front to grow unhindered, resulting in a more complete burn. Whether you are tuning a fresh carb for go kart setups or dialing in your valve lash, this plug ensures consistent energy transfer from idle to the redline. It's engineered to resist fouling under heavy loads, making it a staple for racers demanding peak reliability and crisp throttle response out of the corners.
Built for High-Stress Track Conditions
Karting engines endure brutal vibration and extreme thermal cycles. This spark plug features a machine-rolled thread to prevent seizing in aluminum cylinder heads and a copper core for superior heat dissipation. If you're upgrading your drivetrain with bully clutches or heavy-duty torque parts, you need an ignition source that won't miss a beat when transferring power to the ground. Even racers comparing briggs and stratton lo206 horsepower figures know that a reliable spark is the absolute foundation of any competitive engine program.
Technical Specifications & Features
- U-Groove Ground Electrode: Promotes a larger flame core for complete combustion and reduced quenching.
- Copper Core Center: Delivers exceptional thermal conductivity to prevent overheating during long mains.
- Machine-Rolled Threads: Ensures smooth installation and prevents cross-threading in aluminum cylinder heads.
- Standard Heat Range: Perfectly balanced for stock to lightly modified 196cc and GX200 clone engines.
- Foul-Resistant Insulator: Keeps the firing tip clean during prolonged idling on the grid or rich fuel conditions.
- 100% Pre-Fired: Factory tested by Denso to guarantee out-of-the-box reliability and consistent performance.
- Vibration Resistant: Built to withstand the harsh harmonics and high RPMs of rigid kart chassis.
Frequently Asked Questions
Q: Is the Denso W20EPR-U compatible with all GX200 clone engines?
A: Yes, this plug is specifically designed for standard GX200 clone engines and 196cc powerplants. It features the correct reach and thread pitch for these aluminum cylinder heads.
Q: What is the recommended gap for this spark plug in a racing kart?
A: While the plug comes pre-gapped from the factory, most kart racers prefer to check and set their gap between .025" and .030" depending on their specific ignition coil and compression ratio.
Q: How often should I replace my spark plug?
A: For competitive karting, it is best practice to replace your spark plug every few race weekends or whenever you notice a drop in throttle response. A fresh plug ensures you aren't losing power due to electrode wear or carbon fouling.
Q: Why does this plug have a "U-Groove" design?
A: The U-Groove ground electrode allows the spark to create a larger flame kernel. This promotes more complete combustion, which helps your engine run cleaner and more efficiently, especially when exiting tight corners.
Q: Can I use this plug in a Briggs & Stratton engine?
A: This specific plug is optimized for GX200 clones. If you are running a Briggs & Stratton engine, please check your specific engine manual or our related products list for the correct heat range and thread size.