NGK 98079-59811 Spark Plugs Nos Motorcycles B9ES

( Brand: Ngk ), ( Manufacturer Part Number: 98079-59811 ), ( Part Type: Spark Plug ), ( Country Of Origin: Japan ), ( Fuel Type: Gasoline )

Review NGK Lot Of Spark Plugs Nos Motorcycles

The **NGK 98079-59811 B9ES** spark plug is a high-performance, precision-engineered ignition component specifically designed for modern motorcycle engines, offering an uncompromising blend of reliability, durability, and optimal combustion efficiency. Part of NGK s renowned **B-Series** line, this plug features a **fine-wire electrode** with a **1.0mm diameter**, which ensures a more concentrated spark and improved ignition stability, particularly in high-compression or turbocharged applications. The **B9ES** designation indicates a **0.7mm ground electrode gap**, a carefully calibrated setting that balances ignition reliability with fuel efficiency, making it ideal for both street bikes and performance-oriented motorcycles. Constructed from **high-quality copper core alloy**, this plug delivers superior heat dissipation, reducing fouling and extending service life critical for riders who demand consistent performance across varying riding conditions. The **resistor-equipped design** minimizes radio interference, ensuring a cleaner signal for electronic ignition systems while maintaining robust spark energy. NGK s **laser-welded construction** guarantees structural integrity, preventing electrode breakage under high stress, and the **platinum-tipped electrode** resists wear and corrosion, significantly prolonging the plug s lifespan compared to traditional iridium or copper plugs. Whether installed in a sportbike, cruiser, or adventure bike, the **98079-59811 B9ES** delivers a seamless ignition experience, enhancing throttle response, power delivery, and overall engine smoothness. Backed by NGK s reputation for precision and innovation, this spark plug is a trusted choice for both OEM applications and aftermarket enthusiasts seeking a balance of performance and longevity.

### Pros and Cons of Buying NGK 98079-59811 B9ES Spark Plugs for Motorcycles

1. **High Performance and Reliability** NGK is a well-established brand known for producing high-quality spark plugs designed to deliver consistent ignition and optimal engine performance. The B9ES series is specifically engineered for modern motorcycle engines, offering precise spark timing and durability.

2. **Long Service Life** These plugs are built with advanced materials, including iridium and platinum electrodes, which resist wear and corrosion better than traditional copper or nickel plugs. This extends the time between replacements, reducing maintenance costs and downtime.

3. **Improved Fuel Efficiency** Proper ignition from high-quality spark plugs ensures complete combustion of fuel, which can lead to better fuel economy. The B9ES design helps minimize misfires, which are a common cause of inefficient fuel consumption.

4. **Cold Start Performance** The B9ES plugs are designed to perform well in cold weather, providing reliable starts even in low temperatures. This is particularly useful for riders in colder climates or those who frequently ride in varying conditions.

5. **Compatibility with Modern Engines** These plugs are designed to work seamlessly with modern motorcycle engines, which often have tighter tolerances and higher performance demands. NGK s engineering ensures minimal gaps and optimal spark delivery.

6. **Ease of Installation** NGK spark plugs are straightforward to install, with standard threading and gapping requirements. They come pre-gapped, which simplifies the installation process for riders or mechanics.

7. **Warranty and Brand Trust** NGK offers a reputation for quality and durability, backed by a strong warranty. This provides peace of mind that the plugs will perform as expected without premature failure.

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1. **Higher Upfront Cost** Compared to generic or lower-end spark plugs, NGK s B9ES plugs are more expensive. While they offer long-term benefits, the initial cost may be a deterrent for budget-conscious buyers.

2. **Potential Overkill for Low-Mileage or Light-Duty Use** If you ride infrequently or primarily on short, easy routes, the advanced features of the B9ES plugs may not be necessary. In such cases, a slightly less expensive plug might suffice without sacrificing performance.

3. **Specialized Fitment Requirements** While these plugs are designed for many modern motorcycles, it s crucial to verify compatibility with your specific model. Incorrect fitment can lead to performance issues or damage. Always cross-reference with your bike s manual or manufacturer recommendations.

4. **Sensitivity to Fuel Quality** Like all high-performance plugs, the B9ES series can be sensitive to low-quality fuel or additives. Poor fuel can accelerate wear or cause fouling, potentially reducing the plug s lifespan.

5. **Limited Availability in Some Regions** Depending on where you purchase, NGK plugs may not be as widely stocked as other brands. This could require ordering online or visiting specialty motorcycle shops.

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The NGK 98079-59811 B9ES spark plugs are an excellent choice for motorcycle riders seeking reliable, high-performance ignition components. Their iridium/platinum construction ensures longevity, improved fuel efficiency, and consistent performance across various conditions. While the upfront cost is higher than generic alternatives, the long-term benefits such as reduced maintenance, better engine health, and enhanced ride quality often justify the investment.

For riders who prioritize performance, durability, and compatibility with modern engines, these plugs are a strong recommendation. However, if you have a low-mileage bike or a tight budget, you may consider whether the premium features are necessary for your specific riding needs.

If your motorcycle s manufacturer recommends or specifies NGK B9ES plugs (or a similar high-quality brand), **proceed with purchasing these plugs**. They are a reliable, proven choice that will likely outperform cheaper alternatives. Always ensure the part number matches your bike s requirements and follow the recommended gapping and installation guidelines.

For riders unsure about the need for premium plugs, consult your motorcycle s service manual or a trusted mechanic to confirm whether the B9ES series is ideal for your engine. If you decide to proceed, buy from a reputable dealer or directly from NGK to guarantee authenticity and quality.

Details:

Lot of 8 NGK B9ES Spark Plugs NOS for Motorcycles 98079-59811, See photos items condition.

part #: 9807959811 prices

• $8.95-$14.75

specifications cyclesparkplugs:

• brand: Ngk
• mpn: 98079-59811
• part type: Spark Plug
• country of origin: Japan
• fuel type: Gasoline

shipping cyclesparkplugs:

• transit: 4-8 Days
• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• cost: $13.05
• class: Standard

general cyclesparkplugs:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs
• condition: New

returns cyclesparkplugs:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer cyclesparkplugs:

• availability: In Stock
• quantity: 1
• started: February 5, 2026
• options: Ship-to-home
• sold: 0
• best offers: True

payments cyclesparkplugs:

• credit card: Mastercard
• other
• wallet: Paypal

seller cyclesparkplugs:

• rating: 99.7%
• # reviews: 3032
• city: Walla Walla, Washington

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