Top 10 Best Spark Plug for YZ85 That Boosts Power Fast

Trouble getting your Yamaha YZ85 to start smoothly or maintain consistent power? One of the simplest fixes could be upgrading to the best spark plug for YZ85. Choosing the right spark plug helps improve ignition, fuel efficiency, and overall engine performance, especially for this particular dirt bike model.

Choosing the right spark plug helps improve ignition, fuel efficiency, and overall engine performance, especially for this particular dirt bike model. The best spark plug for YZ85 is designed specifically to handle the engine’s unique demands, providing reliable sparks under varying conditions. Whether you ride casually or push your bike hard on trails or tracks, a quality spark plug can make a noticeable difference in responsiveness and smooth running.

This review will cover key features to look for when selecting a spark plug, compare some of the leading options available, and help you decide which one fits your needs. By the end, you’ll have a clearer idea of how to keep your YZ85 running at its best with the right spark plug choice.

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Image	Product	Price
Our Recommended 1	NGK G-Rated Sparkplug BR10EG for Yamaha YZ85 2002-2018	Check Price
Our Recommended 2	(8-Pack) NGK Spark Plugs BR10EG (Stock # 3830)	Check Price
Our Recommended 3	NGK (2120) D8EA Spark Plug – Pack of 4	Check Price

1. NGK G-Rated Sparkplug BR10EG for Yamaha YZ85 2002-2018

Experience reliable ignition performance with the NGK G-Rated Sparkplug BR10EG designed for Yamaha YZ85 models from 2002 to Known for its quality and precision, this spark plug supports smooth engine operation and consistent power delivery on your dirt bike.

Crafted by NGK, the world’s largest OEM spark plug supplier, this model boasts a triple-gasket sealing process to prevent leaks and maintain optimum combustion efficiency. Its design caters specifically to the Yamaha YZ85, ensuring compatibility and easy installation. Riders can expect consistent ignition performance, which contributes to engine longevity and overall smoother rides on the track or trails.

Riders can expect consistent ignition performance, which contributes to engine longevity and overall smoother rides on the track or trails.

The NGK G-Rated Sparkplug BR10EG stands out with its precise build and consistent burn characteristics. Its close manufacturing tolerances almost eliminate installation errors, safeguarding your bike’s ignition system. The triple-gasket sealing enhances reliability by securely sealing the combustion chamber against gases that can affect engine output.

The triple-gasket sealing enhances reliability by securely sealing the combustion chamber against gases that can affect engine output.

Installation is straightforward, allowing users to replace the spark plug without specialized tools or extensive mechanical knowledge. The plug’s design ensures optimal spark delivery, improving throttle response and fuel efficiency during use.

Ideal for Yamaha YZ85 owners seeking dependable maintenance parts, this spark plug offers excellent value by combining OEM quality with performance benefits. Its compatibility extends across multiple model years, making it a versatile choice.

Pros

• Triple-gasket sealing for secure combustion chamber protection
• Precisely manufactured with minimal tolerances for reliable performance
• Fits Yamaha YZ85 models from 2002-2018 ensuring broad compatibility

Cons

• Limited availability in local stores; mainly found online

For Yamaha YZ85 owners, the NGK G-Rated Sparkplug BR10EG offers a dependable ignition solution that enhances engine operation. Its high manufacturing standards and triple-gasket design deliver consistent ignition and easy installation.

2. (8-Pack) NGK Spark Plugs BR10EG (Stock # 3830)

Experience reliable engine performance with the (8-Pack) NGK Spark Plugs BR10EG. Designed to meet OEM specifications, these spark plugs provide consistent ignition and smooth operation.

Each spark plug comes in genuine NGK packaging and includes original hardware for easy installation. Perfect for various vehicles that require NGK Standard 3830 models, these plugs balance durability and efficient combustion to enhance engine responsiveness. Trust the quality and craftsmanship behind NGK parts to keep your engine running at its best.

Trust the quality and craftsmanship behind NGK parts to keep your engine running at its best.

These NGK spark plugs are crafted with nickel electrodes that deliver reliable ignitions while resisting wear and corrosion. Their precise design matches factory specifications, making them an ideal direct replacement for your vehicle’s stock spark plugs. Installation is hassle-free with included original hardware and packaging that protects the plugs until use.

Installation is hassle-free with included original hardware and packaging that protects the plugs until use.

Performance remains stable across various conditions, helping maintain fuel efficiency and smooth starts. Their lightweight build does not compromise durability, providing lasting service life and dependable operation.

This set suits owners who want to maintain or enhance standard ignition performance without complicated upgrades.

Compared to other standard spark plugs, these offer a trusted brand reputation with consistent quality control. The pack of eight allows you to replace all plugs simultaneously, reducing the need for frequent purchases.

Whether for routine maintenance or quick replacement, these plugs deliver solid value for regular automotive needs.

Pros

• Meets original equipment specifications for direct fit
• Includes eight spark plugs with original packaging and hardware
• Nickel electrode design offers wear resistance and reliable ignition

Cons

• Not designed for high-performance or racing applications

For those seeking dependable, OEM-quality spark plugs, the NGK BR10EG 8-pack stands out as a solid choice. It offers ease of use, durability, and consistent engine performance in one complete set.

3. NGK (2120) D8EA Spark Plug – Pack of 4

The NGK (2120) D8EA Spark Plug Pack of 4 delivers reliable ignition performance and durability for a variety of engines. Designed as a genuine OEM replacement, these spark plugs meet strict quality standards to keep your vehicle running smoothly. Whether used for motorcycles or cars, the pack ensures consistent results every time.

Equipped with precise engineering from NGK, each spark plug in this bulk pack guarantees reliable combustion. The D8EA model is compatible with numerous brands, making it a versatile choice for multiple vehicles. Its efficient design promotes better fuel efficiency and smoother starts.

These spark plugs are crafted with high-quality materials that withstand extreme engine conditions. Their design optimizes spark exposure, which enhances overall engine performance and throttle response. Installation is straightforward when following the vehicle’s owner manual, allowing quick replacement without hassle.

Beyond durability, the D8EA spark plugs aid in reducing engine misfires and emissions. Each pack includes four units, suitable for servicing multiple engines or future replacements. Its OEM authenticity ensures compatibility and peace of mind for users aiming to maintain factory standards.

Its OEM authenticity ensures compatibility and peace of mind for users aiming to maintain factory standards.

Ideal for riders and drivers seeking dependable ignition parts, this NGK set supports brands such as BMW, Honda, Lexus, Mini, Suzuki, and Toyota. These spark plugs improve combustion efficiency, making them a practical choice for routine maintenance and repairs.

Pros

• Durable construction designed for consistent engine ignition
• OEM quality ensures proper fit and performance across multiple vehicle brands
• Pack of four supports easy multi-cylinder or future replacements

Cons

• Bulk packaging may not appeal to users needing only a single spark plug

Combining durability with reliable ignition, NGK’s D8EA spark plugs provide excellent value for routine maintenance. Their compatibility with various models and consistent performance make them a trustworthy choice when replacing spark plugs.

4. NGK (6801) BR10EIX Iridium IX Spark Plug, Pack of 1

Experience reliable ignition and enhanced engine performance with the NGK BR10EIX Iridium IX Spark Plug. Designed to deliver superior combustion efficiency, it supports smooth starts and consistent power output. Its precise construction from high-quality iridium materials ensures lasting durability and optimal functionality.

Crafted in Japan with exacting standards, this spark plug fits seamlessly in various Suzuki and Yamaha models. Its fine iridium tip promotes better ignitability and fuel efficiency, making it a trusted choice for riders seeking dependable performance.

The NGK BR10EIX combination of advanced materials and thoughtful design creates a spark plug well-suited for demanding engine conditions. Its iridium center electrode offers higher durability than conventional plugs, maintaining stable sparks over time without wear.

Installation is straightforward thanks to accurate threading and compatible sizing with OEM specifications. Users report improved throttle response and smoother acceleration after replacement, indicating effective combustion optimization. In terms of value, the product provides a lasting, high-quality upgrade ideal for motocross, off-road, and street riders.

It’s suitable for those who want dependable ignition performance without frequent replacements. This spark plug aligns well with OEM standards while delivering enhanced firing efficiency and fuel savings.

Pros

• Long-lasting iridium tip ensures reliable ignition
• Compatible with multiple Suzuki and Yamaha engines
• Improves fuel efficiency and throttle response

Cons

• Single pack may require purchasing multiple units for replacements

For riders seeking the best spark plug for YZ85 models, the NGK BR10EIX offers a durable and efficient ignition solution. Its balance of performance and build quality makes it a smart choice for both everyday riding and competition use.

5. 5 PCS Spark Plug Socket Wrench, T-Handle Spark Plug Wrench

Maintain your engine’s performance with the reliable 5 PCS Spark Plug Socket Wrench set from Pniwuno. Designed to meet various spark plug sizes, it simplifies maintenance tasks on both cars and motorcycles.

Constructed from high-hardness steel, this wrench set offers impressive stability and longevity. Its rugged build resists bending and breaking, making it suitable for daily automotive and motorcycle maintenance. The included socket heads cover a broad range of spark plug dimensions, allowing swift adjustments during repair jobs.

The included socket heads cover a broad range of spark plug dimensions, allowing swift adjustments during repair jobs.

The ergonomic T-handle ensures a secure and comfortable grip, reducing hand fatigue while tightening or loosening spark plugs. A non-slip surface enhances control in tight engine compartments, making every turn smooth and efficient. Precise socket fittings firmly hold spark plugs, minimizing risks of damage or slippage during use.

Precise socket fittings firmly hold spark plugs, minimizing risks of damage or slippage during use.

Ideal for both professional mechanics and DIY hobbyists, this tool adapts well to various vehicle types. It delivers quick plug changes without needing additional devices, optimizing work time and effort. Practical and versatile, it fits perfectly in garages, workshops, and home toolkits.

Pros

• Durable steel construction ensures long-lasting performance
• Ergonomic T-handle design provides comfortable and stable grip
• Multiple socket sizes included for wide spark plug compatibility

Cons

• Limited to spark plug socket function without additional tool features

The Pniwuno 5 PCS Spark Plug Socket Wrench set delivers dependable and efficient spark plug maintenance. Its sturdy build paired with thoughtful design makes it a useful addition for various vehicle repair tasks.

6. 5 PCS Spark Plug Socket Wrench, T-Handle & 14mm/16mm/18mm/21mm Heavy

Maintaining your vehicle’s performance starts with the right tools, and the 5 PCS Spark Plug Socket Wrench Set delivers exactly that. Designed to simplify spark plug removal and installation, it covers multiple sizes to fit various spark plugs easily.

Equipped with a T-handle for enhanced grip and torque, this set provides a practical solution for routine maintenance. Whether you’re working on cars, motorcycles, or lawn equipment, this kit supports a wide range of tasks with durability and convenience.

The collection includes four essential socket sizes: 14mm, 16mm, 18mm, and 21mm to suit diverse spark plug fittings. This variety makes switching between vehicles and models hassle-free without needing additional tools. Its heavy-duty construction assures resistance against wear and deformation, promising years of reliable use.

Its heavy-duty construction assures resistance against wear and deformation, promising years of reliable use.

The T-handle design enhances control, reducing hand fatigue during prolonged use. These sockets securely grip spark plugs, helping to avoid slipping or damage while loosening or tightening.

Portability is another benefit of this compact and lightweight kit, allowing easy storage in toolboxes or vehicle compartments. Compared to other sets that may lack multiple sizes or comfortable handles, this wrench set offers excellent versatility and ease of use for a broad user base.

Pros

• Includes standard socket sizes for versatile spark plug compatibility
• T-handle provides secure grip and extra torque for easy operation
• Durable build ensures long-lasting performance and wear resistance

Cons

• Set may not include specialized sizes for less common spark plugs

The 5 PCS Spark Plug Socket Wrench Set stands out as a dependable and versatile toolkit element. Its thoughtful design and broad size coverage make spark plug maintenance straightforward and efficient, fitting nicely into any home garage or professional workspace.

7. 2 PCS Car Spark Plug Removal Plier, Sleeve & Round

Replacing spark plugs and their wires can be challenging without the right tools. The 2 PCS Car Spark Plug Removal Plier set offers a practical and reliable solution for removing spark plug wires safely and efficiently. Crafted with a focus on durability and effortless handling, it simplifies ignition system maintenance for various vehicles.

Crafted with a focus on durability and effortless handling, it simplifies ignition system maintenance for various vehicles.

Designed to fit tight spaces and provide secure grips, these pliers prevent damage to delicate ignition components. The set includes two types of removal tools—a sleeve and a round design—to tackle different spark plug wire shapes and sizes.

The sleeve-type plier smoothly slides over spark plug wires or boots for effective clamping and removal. Meanwhile, the round-type tool grips wires in restricted spaces where larger tools cannot reach.

Made of high-strength 45# steel, these pliers resist bending or breaking under significant torque, guaranteeing long-lasting performance.

Non-slip, wear-resistant plastic handles ensure a firm grip, even during extended repair sessions. Measuring

The max jaw opening sizes differ—35 inches for the sleeve type and

24 inches for the round type—covering a broad range of vehicles including cars, trucks, and motorcycles.

Installation or replacement tasks become more efficient, cutting down repair time. This set is well-suited for mechanics, DIY hobbyists, or anyone performing regular spark plug maintenance.

Pros

• Durable high-strength steel construction resists deformation.
• Ergonomic non-slip handles provide comfortable, secure grip.
• Two distinct plier types accommodate various spark plug wire shapes and tight spaces.

Cons

• Tools may not fit very large or specialized spark plug wires.

The 2 PCS Car Spark Plug Removal Plier set combines functionality with durable materials to support efficient ignition system work. Its thoughtful design suits multiple vehicle types, offering ease of use and protection against wire damage. For those needing reliable spark plug wire removal, this set presents a valuable addition to any toolkit.

For those needing reliable spark plug wire removal, this set presents a valuable addition to any toolkit.

8. Spark Plug Gap Tool, Durable Wire Spark Plug Gap Gauge

Achieve precise spark plug gaps with the EKUWU Spark Plug Gap Tool, designed for accuracy and durability. Its dual-sided scales provide clear measurements in both inches and millimeters for exact adjustments.

This compact gauge supports smooth engine performance across various vehicles.

Crafted from strong zinc alloy, the gap tool resists wear and corrosion, maintaining reliability over time. Equipped with a dedicated gap opener, it allows easy, careful bending of electrodes to meet manufacturer specifications.

Reliable spark plug gap settings play a vital role in vehicle ignition and fuel efficiency. This tool offers engraved scales from 020 to

100 inches and 6 to

4 millimeters, making it versatile for cars and motorcycles alike. Its straightforward operation delivers quick, consistent readings without complex steps.

The zinc alloy build ensures that this spark plug gap gauge withstands frequent use, supporting long-term maintenance needs. Compact and lightweight, it occupies minimal space while remaining highly functional. Ideal for DIY mechanics and professionals, it helps maintain engine health and performance.

Ideal for DIY mechanics and professionals, it helps maintain engine health and performance.

Pros

• Dual-scale measurement for precise gap adjustments
• Durable zinc alloy construction resists corrosion and wear
• Compact, portable design with built-in keychain hole

Cons

• Limited to spark plug gap adjustment; no additional tools included

The EKUWU Spark Plug Gap Tool offers an effective solution for maintaining spark plug performance. Its precise measurements, sturdy build, and ease of use make it suitable for various automotive and motorcycle applications. This tool stands out for those seeking accuracy and durability in a compact form.

9. 2 PCS Inline Spark Plug Tester, Plug-in Engine Ignition Tester

Reliable ignition testing is key to maintaining engine performance and efficiency. The 2 PCS Inline Spark Plug Tester offers a straightforward method to diagnose spark plug issues swiftly. Designed for ease and universality, it supports a wide range of engines.

Whether it’s for routine checks or troubleshooting, this tester helps detect faults instantly through a clear visual signal. This makes it a great addition to your toolkit, whether you’re a professional mechanic or managing your personal garage.

Equipped with universal compatibility, this spark plug tester works seamlessly on small and large engines found in cars, trucks, lawnmowers, marine vehicles, and motorcycles. Installation is simple—connect it between the plug and wire to get a quick spark indication. The testing process delivers reliable results within 30 seconds, speeding up diagnostics significantly.

The testing process delivers reliable results within 30 seconds, speeding up diagnostics significantly. Crafted from high-temperature resistant materials, its robust construction promises durability across varied environments. The eco-friendly acetate plastic housing safeguards the internal components while allowing easy bulb replacement when needed.

Its clear bulb lights up instantly upon detecting spark generation, providing immediate feedback. Thanks to a thoughtfully designed cable and metal interfaces, it ensures stable connections and consistent performance.

This tool is an asset for personal use, professional mechanic shops, and repair businesses requiring fast, dependable ignition checks. Overall, it balances functionality and longevity without compromising user convenience or accuracy.

Pros

• Compatible with most small and large engines
• Quick and easy 30-second spark plug testing
• Durable and high-temperature resistant construction

Cons

• Internal bulb replacement may require careful handling

This spark plug tester delivers fast, accurate diagnosis for a variety of engines, making maintenance simpler and more efficient. Its versatile design and sturdy build ensure it remains a trustworthy tool over time.

10. Car Spark Plug Socket, Portable Rubber Automotive Sparkplug Wrench Ignition

Efficient automotive maintenance requires the right tools, and the Car Spark Plug Socket offers reliable performance for spark plug tasks. Designed for durability and ease, it simplifies the installation and removal process while protecting essential engine components.

This spark plug wrench stands out with its practical design and secure grip, making it a trusted companion for both casual users and mechanics. Compact and portable, it fits effortlessly into any toolbox or vehicle storage space.

Constructed from premium rubber, this spark plug socket provides excellent elasticity to grip plugs firmly without slipping. It resists high temperatures, ensuring consistent performance even under engine heat stress. The tool’s inner diameter of

31 inches fits most spark plugs widely used in vehicles today.

Measuring just 59 ×

59 × 65 inches, it offers a lightweight yet sturdy form that’s easy to handle and store. Installation is straightforward — insert the plug into the socket, position it in the cylinder, and tighten securely with a torque wrench for optimal fit.

Supported by versatility, the socket matches spark plugs in a broad range of vehicles, including cars, trucks, SUVs, and motorcycles. Its design minimizes electrode and cylinder head damage, providing a worry-free maintenance experience whether used professionally or for routine repairs.

Pros

• Durable rubber construction offers slip-resistant grip and heat resistance
• Compact and lightweight, convenient for storage and transport
• Fits a wide variety of spark plugs across multiple vehicle types

Cons

• Limited to spark plugs with specified inner diameter compatibility

A reliable spark plug socket like this one enhances any spark plug replacement task. Its thoughtful materials and design give confidence for safe and efficient use.

Top Spark Plugs for YZ85: Ultimate Buying Guide 2024

Brand reputation and customer reviews

Choosing the best spark plug for YZ85 involves considering options from trusted manufacturers who specialize in motorcycle parts, as their products tend to offer reliable performance and consistency. Aftermarket alternatives can provide cost-effective solutions but should be selected carefully, keeping compatibility and quality in mind.

It is helpful to pay attention to warranty terms and the availability of customer support, since accessible service can save time and effort if any issues arise with the spark plugs. Overall, a well-chosen spark plug enhances the bike’s ignition efficiency and contributes to smoother rides across various riding conditions.

Performance and durability factors

The best spark plug for yz85 needs to offer excellent longevity under racing and offroad conditions, where frequent high revving and exposure to dust and dirt can quickly wear down components. A spark plug with strong resistance to fouling and carbon deposits helps maintain consistent combustion, reducing the likelihood of misfires and engine hesitation during critical moments.

Additionally, the right spark plug can have a noticeable impact on engine power and throttle response, providing smoother acceleration and better overall ride quality. Choosing a model designed specifically for the engine’s heat range and combustion characteristics will contribute to reliable performance and less maintenance over time, making it a practical choice for riders aiming to keep their yz85 running at its best in demanding environments.

Compatibility and fitment

When selecting a spark plug for the YZ85, paying attention to OEM specifications helps guarantee compatibility and reliable performance. Matching the thread size and reach precisely is necessary to fit properly within the engine cylinder head without risking damage or poor sealing. The gap size between the electrodes also plays a significant role, as it influences the spark quality and combustion efficiency.

Some spark plugs come with adjustable gaps, allowing customization to suit different tuning or riding conditions, which can be beneficial for riders who modify their bikes or ride in varied environments. Overall, choosing a spark plug that aligns with the engine’s design and maintenance requirements supports smoother starts, consistent power delivery, and longer component life.

Environmental and usage conditions

Choosing the best spark plug for YZ85 depends largely on the riding environment and how the bike is used. Riding through mud, dust, or water can affect the spark plug’s longevity and performance, so selecting one with strong resistance to fouling and corrosion is beneficial. In wetter or dustier conditions, plugs that maintain a stable and consistent spark help prevent misfires and keep the engine running smoothly.

In wetter or dustier conditions, plugs that maintain a stable and consistent spark help prevent misfires and keep the engine running smoothly. Different weather conditions also influence how the spark plug performs; in colder weather, plugs with a colder heat range can prevent carbon buildup, while warmer climates might call for plugs able to dissipate heat efficiently. Maintenance intervals often vary based on usage intensity—riders who frequently tackle harsh terrains may need to check and replace spark plugs more often compared to casual trail riders.

Paying attention to these factors helps in making a well-informed purchase, ensuring reliable ignition and better overall performance for the YZ85.

Understanding spark plug types for yz85

When selecting a spark plug for the YZ85, understanding the differences between copper, iridium, and platinum types helps tailor performance to your riding style and engine demands. Copper spark plugs offer excellent conductivity and tend to heat up quickly, making them suited for standard engine setups but they may wear out faster due to their softer electrode material.

Iridium plugs feature a very fine and durable electrode, providing improved longevity and more consistent performance under high-stress conditions common in off-road riding. Platinum plugs fall somewhere in between, offering better wear resistance than copper while maintaining efficient conductivity. The heat range of a spark plug is another key feature to match with the YZ85’s engine, as it affects how well the plug dissipates heat during operation.

Choosing the correct heat range prevents fouling or overheating to maintain smooth engine function. Electrode design also influences ignition efficiency; advanced materials and shapes can improve spark focus and reduce misfires, leading to better throttle response and fuel economy.

Careful attention to these attributes will guide a more informed choice, resulting in a spark plug that complements the YZ85’s engine performance and longevity.

Price and value for money

When evaluating options for your yz85, comparing costs among highly rated spark plugs can help find a product that fits your budget without compromising quality. Some spark plugs offer a longer lifespan which balances out a higher initial expense, making them a more economical choice over time.

Additionally, certain brands provide bulk packs or replacement sets that reduce the cost per unit, adding convenience for regular maintenance. Considering the availability of such packages alongside durability can enhance value for money, making it easier to keep your yz85 running smoothly without frequent purchases.

People Also Asked

Can Aftermarket Spark Plugs Improve The Performance Of A Yz85?

Aftermarket spark plugs can improve the performance of a YZ85 by providing better ignition efficiency and more consistent sparks. However, the actual impact depends on the quality of the plugs and proper compatibility with the bike’s engine.

What Are The Signs Of A Bad Spark Plug In A Yz8

Signs of a bad spark plug in a YZ8 include engine misfires, difficulty starting, rough idling, and reduced fuel efficiency. Additionally, you may notice poor acceleration and increased exhaust emissions.

What Is The Best Spark Plug Brand For A Yamaha Yz8

The best spark plug brand for a Yamaha YZ85 is typically NGK, known for its reliability and performance in off-road motorcycles. NGK’s DPR8EIX or CR8E spark plugs are popular choices among YZ85 riders for optimal ignition and durability.

Which Spark Plug Heat Range Is Ideal For The Yz8

The ideal spark plug heat range for the Yamaha YZ8 is typically a colder plug, such as a heat range of 7 or 8, to prevent overheating during high-performance riding. Always refer to the manufacturer’s specifications for the exact model to ensure optimal performance.

How Often Should You Replace The Spark Plug On A Yzdirt Bike?

You should replace the spark plug on a YZ dirt bike approximately every 20-30 hours of riding or at least once per riding season. Regular inspection and cleaning can help maintain optimal performance between replacements.

Conclusion

Choosing the best spark plug for YZ85 can greatly affect your bike’s performance and reliability. High-quality spark plugs offer improved ignition, better throttle response, and longer service life, making them suitable for riders seeking consistent power and smoother rides.

However, some spark plugs may require more frequent replacement or specific heat ranges depending on riding conditions. Those who prioritize durability and efficient combustion will find models designed specifically for the YZ85 to be a solid match. While initial costs might be slightly higher for premium options, the enhancement in engine efficiency often justifies the investment.

Overall, selecting the best spark plug for YZ85 depends on your riding style and maintenance preferences, but choosing the right one is a step toward better engine reliability and performance.