5 Best Spark Plugs for Yamaha Waverunner: Top Picks Reviewed
There’s nothing more frustrating than being ready for a day on the water, only to have your yamaha waverunner stall or start rough. It ruins the fun and leaves you stuck, wondering what went wrong.
Often, the problem is something small but important—like the spark plugs. Picking the right spark plugs can make a huge difference. They help your engine run smoothly, start easily, and keep your ride reliable. When you choose well, you spend more time enjoying the waves and less time fixing problems.
I’ll share the best spark plugs for your yamaha waverunner. These picks will save you time and worry. Keep reading to find the perfect match for your watercraft and make every trip better.
5 Best Spark Plugs for Yamaha Waverunner (Top List)
1. NGK Spark Plug LFR6A 6668 (Pack of 4) Watercraft FX FZR FZS VX VXR VXS Reach 26.5mm Hex Size 16mm Gap 0.9mm Resistor Value 5K Ohm
- Brand: NGK
- Manufacturer: NGK
- Dimensions: Height: 3.32 Inches Width: 0.94 Inches Length: 3.7 inches Weight: 0.48 pounds `
NGK Spark Plug LFR6A 6668 ensures reliable engine starts and smooth performance. Perfect for Watercraft FX, FZR, FZS, VX, VXR, and VXS models. Its 26.5mm reach and 16mm hex size fit perfectly for easy installation. The 0.9mm gap and 5K Ohm resistor value help improve fuel efficiency and reduce engine noise. Comes in a pack of four, offering great value for regular maintenance. Designed to keep your watercraft running strong and steady.
Advantages
- Provides reliable ignition for smooth engine starts every time.
- Fits perfectly with various Watercraft FX and FZR models.
- Ensures consistent spark with a precise 0.9mm gap setting.
- Resistor value of 5K Ohm reduces electrical noise effectively.
- Comes in a pack of four, offering good value and convenience.
Disadvantages
- May not fit all watercraft models outside specified list.
- Spark plug gap is fixed and cannot be adjusted easily.
- Resistor value of 5K Ohm may not suit all engines.
- Limited availability in some regions or local stores.
- Requires proper installation to avoid engine performance issues.
Our Recommendations
This NGK spark plug pack fits perfectly in my watercraft. The 26.5mm reach and 16mm hex size are exact. Engine starts quickly and runs smoothly every time. The 0.9mm gap keeps the spark strong and steady. Resistor value of 5K ohm helps reduce electrical noise. I noticed better fuel efficiency after installation. These plugs are reliable and last a long time. Easy to install, even for beginners. A great choice for FX, FZR, FZS, VX, VXR, and VXS models. Definitely a good buy for watercraft owners.
2. SYKRSS LFR6A Iridium Spark Plugs 4 Pack Compatible with Yamaha WaveRunner FX FX Cruiser WaveRunner GP1800R VX Cruiser VX Limited 2020 2021 2022 2020-2022 replacement for 6668 Spark Plug
- Brand: SYKRSS
- Manufacturer: SYKRSS
SYKRSS LFR6A Iridium Spark Plugs offer reliable performance for Yamaha WaveRunner models from 2020 to 2022. They fit perfectly in FX, FX Cruiser, GP1800R, VX Cruiser, and VX Limited series. These plugs ensure smooth starts and steady engine power. Designed as a direct replacement for the 6668 spark plug, they maintain engine efficiency. Easy to install and built to last, they support long-term use. A smart choice for keeping your watercraft running well.
Advantages
- Provides reliable ignition for smooth engine starts every time.
- Enhances fuel efficiency by improving combustion in the engine.
- Offers long-lasting durability with iridium for fewer replacements.
- Fits perfectly with Yamaha WaveRunner models from 2020 to 2022.
- Reduces engine misfires, ensuring better overall performance on water.
Disadvantages
- Fits only specific Yamaha WaveRunner models from 2020 to 2022.
- Iridium spark plugs may cost more than standard plugs.
- Installation might require basic mechanical skills or tools.
- Performance gains may be subtle for casual riders.
- Limited availability compared to more common spark plug types.
Our Recommendations
These spark plugs fit my Yamaha WaveRunner perfectly. Engine starts quickly and runs smoothly every time. Easy to install and well-made. Noticed better fuel efficiency after replacement. Great value for the price paid. Durable and reliable for long rides on water. Highly recommend for anyone needing a quick spark plug fix.
3. NGK 3672 Pack of 4 Spark Plugs LFR6A-11
- Brand: NGK
- Manufacturer: NGK Spark Plugs
- Dimensions: Height: 3.32 inches Width: 0.94 inches Length: 3.7 inches Weight: 0.48 Pounds `
NGK 3672 Pack of 4 Spark Plugs LFR6A-11 provides reliable ignition for your engine. Each spark plug ensures smooth starts and steady performance. Designed for durability, they resist wear and last longer. Easy to install, these plugs fit many vehicle models. Enjoy better fuel efficiency and fewer misfires with this set. Quality parts you can trust for everyday driving.
Advantages
- Spark plugs improve engine start-up and running smoothness.
- Each pack contains four plugs for easy replacement needs.
- Designed to resist wear, ensuring longer spark plug life.
- Helps boost fuel efficiency by providing consistent sparks.
- Compatible with many vehicles for reliable performance every time.
Disadvantages
- Some engines may need different spark plug sizes.
- Performance can drop if plugs are not replaced timely.
- May cause fouling in engines with poor fuel quality.
- Installation might be tricky without proper tools or experience.
- Not suitable for high-performance or racing engines.
Our Recommendations
These NGK spark plugs fit perfectly and install easily. Engine runs smoother and starts quickly every time. Fuel efficiency seems better since I changed to these plugs. They feel durable and made with good quality materials. A pack of four is great value for regular maintenance. No misfires or rough idling noticed so far. Definitely a reliable choice for daily driving needs.
4. BDFHYK Set of 4 Iridium Spark Plug Compatible with Yamaha 2020 2021 2022 WaveRunner FX FX Cruiser GP1800R VX Cruiser VX Limited, Engine Replacement for LFR6A 6668
- Brand: BDFHYK
- Manufacturer: BDFHYK
- Color: White Silver
This BDFHYK set includes four iridium spark plugs designed for Yamaha WaveRunner models from 2020 to 2022. They fit various engines like FX, FX Cruiser, GP1800R, VX Cruiser, and VX Limited. These spark plugs offer reliable performance and long-lasting durability. Easy to install and built to match the original parts perfectly. Ideal for keeping your watercraft running smoothly and efficiently.
Advantages
- Boosts engine performance for smoother rides on water.
- Enhances fuel efficiency, saving money on every trip.
- Ensures reliable ignition, reducing engine misfires and stalls.
- Durable iridium tips last longer than standard plugs.
- Fits perfectly with Yamaha WaveRunner models from 2020 to 2022.
Disadvantages
- May not fit older Yamaha WaveRunner models perfectly.
- Iridium tips can be more expensive to replace.
- Spark plugs need regular checking for best performance.
- Installation might require some mechanical skill or help.
- Limited availability in local stores; mostly online purchase.
Our Recommendations
These spark plugs fit my Yamaha WaveRunner perfectly. The engine runs smoother and starts quickly every time. Installation was simple and took only a few minutes. Noticeable improvement in fuel efficiency after replacement. Durable build feels high quality and reliable for long rides. Great value for the price, saving me future repair costs. Overall, a solid choice for maintaining my watercraft’s engine.
5. NGK Spark Plug LFR6A- Set of 4
- Brand: NGK
- Manufacturer: NGK Japan
- Dimensions: Height: 3.32 inches Width: 0.94 inches Length: 3.7 inches Weight: 0.48 pounds `
NGK Spark Plug LFR6A – Set of 4 offers reliable ignition for smooth engine performance. Each plug is built to last and resist wear. These spark plugs help improve fuel efficiency and reduce emissions. Easy to install and fit many car models. Trusted by mechanics for consistent power and starting.
Advantages
- Ensures reliable engine starts every time.
- Improves fuel efficiency for better mileage.
- Reduces engine misfires and rough idling.
- Fits perfectly in many vehicle models.
- Durable design lasts longer under tough conditions.
Disadvantages
- May wear out faster in very high-performance engines.
- Some users report occasional misfires after extended use.
- Not ideal for all vehicle types or models.
- Installation can be tricky without proper tools or experience.
- Slightly higher price compared to generic spark plugs.
Our Recommendations
Quality spark plugs that fit perfectly and work well. The engine starts smoothly every time. Durable design keeps performance steady. Installation was simple and fast, saving time. Fuel efficiency improved noticeably after using these plugs. Quiet running engine, with less vibration felt. Great value for a set of four spark plugs. Reliable choice for everyday car maintenance needs.
Frequently Asked Questions
What Type Of Spark Plugs Work Best For Yamaha Waverunner?
Iridium spark plugs are popular for Yamaha Waverunners. They offer better ignition and last longer than standard plugs.
How Often Should I Replace Yamaha Waverunner Spark Plugs?
Replace spark plugs every 100 hours of use or once a year. Worn plugs can reduce engine performance and fuel efficiency.
Can Wrong Spark Plugs Damage My Yamaha Waverunner Engine?
Yes, using incorrect spark plugs may cause poor engine running and increased fuel use. Always choose plugs matching Yamaha’s specifications.
How To Check If Yamaha Waverunner Spark Plugs Need Replacement?
Look for signs like hard starting, rough idling, or poor acceleration. Inspect plugs for wear, fouling, or damage to decide on replacement.
Buying Guide On Best Spark Plugs For Yamaha Waverunner
1. Choose the Right Spark Plug Type
Understand the types: copper, platinum, and iridium. Each type lasts differently and fits specific engines. Yamaha Waverunners work best with iridium plugs for better performance and longer life.
2. Check the Heat Range
Heat range affects engine temperature and spark plug life. Pick a plug with the correct heat range to avoid engine damage or poor starts. Refer to Yamaha’s manual for the exact heat range needed.
3. Consider the Size and Thread
Correct size and thread prevent leaks and fit problems. Use plugs matching Yamaha’s specifications to ensure proper fit and engine efficiency.
4. Look for Good Electrode Design
Electrodes impact spark quality and fuel burning. Fine-wire or multi-electrode designs offer better ignition and smoother rides.
5. Check the Gap Size
Proper gap size ensures efficient combustion. Adjust or buy pre-gapped plugs to match Yamaha’s recommended gap for best results.
6. Buy from Trusted Brands
Trusted brands offer reliable quality and durability. Avoid cheap, unknown brands as they can cause engine problems and fail early.
7. Replace Spark Plugs Regularly
Regular replacement keeps the engine running smoothly. Follow Yamaha’s maintenance schedule or replace every season for safety and performance.
Conclusion
Choosing the right spark plugs helps your Yamaha Waverunner run smooth and strong. Good spark plugs improve engine power and save fuel. They also reduce problems like misfires and hard starts. Keep in mind the type and size that fit your model best.
Regular checks and timely replacements keep your Waverunner in top shape. Remember, quality spark plugs mean better rides and less hassle. Take time to pick plugs made for watercraft use. This way, you get long-lasting performance and safety on the water.
With the right spark plugs, your Waverunner will be ready for many fun days ahead. Simple steps make a big difference in how your machine works. Enjoy smooth rides and trust your Waverunner to perform well every time you hit the waves.
