NGK Spark Plugs

NGK 95134 Iridium IX Spark Plug (CPR8EAIX-9) for Honda H’ness CB350 / CB350RS Precision-Built Iridium IX Spark Plug for Honda CB350 Platform The NGK CPR8EAIX-9 Iridium IX spark plug is specified for Honda’s 350cc platform, including the H’ness CB350 and CB350RS. Built with NGK’s fine-wire iridium electrode design, this plug is engineered to deliver consistent ignition performance under standard riding conditions. At the core is a 0.6 mm iridium centre electrode, designed to maintain stable spark characteristics across repeated heat cycles. Compared to conventional nickel plugs, iridium construction helps retain electrode shape over time, supporting consistent combustion behaviour during regular use. What This Means in Real Riding Conditions In practical terms, a stable spark contributes to: Smoother idle characteristics Cleaner combustion cycles Predictable throttle response These are not performance modifications, but refinements in how the engine operates within its designed parameters. Built for Daily Use, Not Just Specs Sheets The CB350 platform is known for refinement-focused riding. This plug aligns with that intent: Maintains ignition consistency in city traffic and touring conditions Designed to resist carbon fouling under normal usage Handles temperature variation during stop-go and highway riding It’s a reliability-focused component — not a tuning part. Specification-Driven Fitment This spark plug should only be used where CPR8EAIX-9 is specified by Honda. Confirmed Fitment: Honda H’ness CB350 Honda CB350RS Compatibility is strictly based on spark plug specification — not engine size similarity. 🔧 Additional Compatibility (Specification-Based) The NGK CPR8EAIX-9 spark plug is used across multiple motorcycles where this exact specification is required. Honda H’ness CB350 CB350RS Hornet 160R / Hornet 2.0 Unicorn 150 / 160 X-Blade CB Trigger SP Shine 125 Hero MotoCorp Xpulse 200 / 200T Xtreme 160R / 200S / 200R Impulse Bajaj Pulsar NS200 / RS200 / AS200 (Side Plug) Dominar 400 (Side Plug) Pulsar 150 / 180 / 220 TVS Raider 125 Jupiter / Zest / Wego Yamaha FZ V3 / FZS V3 Aprilia SR125 / SR160 / SXR160 Technical Highlights Fine-wire Iridium Centre Electrode (0.6 mm) Resistor Type Plug (EMI suppression) Heat Range: 8 Thread Diameter: 10 mm Thread Reach: 19 mm Hex Size: 16 mm Service & Usage Notes Sold as a single unit Install using correct torque specifications Replace as per manufacturer service interval Iridium plugs are designed for extended durability, but actual lifespan depends on: Fuel quality Riding conditions Engine health Summary The NGK CPR8EAIX-9 is a specification-correct iridium spark plug for Honda’s 350cc platform. It focuses on consistent ignition, durability, and stable combustion, aligning with the refinement characteristics of the CB350 engine.

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NGK Iridium IX CPR8EAIX-9 Spark Plug for Bajaj Dominar 250 & 400 (Side Plug – Triple Spark) The NGK Iridium IX CPR8EAIX-9 spark plug is an OEM-spec ignition component designed for select Bajaj Dominar petrol engines where the CPR8EAIX-9 spark plug specification is recommended. Manufactured by NGK to its established Iridium IX standards, this model is intended to provide consistent ignition performance and reliable combustion under normal riding conditions. Spark plugs are a critical part of a petrol engine’s ignition system. Their role is to ignite the air–fuel mixture inside the combustion chamber at the correct moment, enabling controlled combustion and stable engine operation. The NGK CPR8EAIX-9 is engineered to meet these requirements when installed in engines that specify this exact plug code. Iridium IX Spark Plug Construction The CPR8EAIX-9 features a fine-wire iridium centre electrode with a 0.6 mm tip diameter. Iridium is used for spark plug electrodes due to its high melting point and resistance to electrode wear when exposed to repeated heat cycles. Compared to conventional nickel-alloy spark plugs, iridium electrodes are able to retain their shape over longer operating periods. This helps maintain consistent ignition characteristics during regular use without requiring changes to ignition timing, fuel delivery, or engine tuning. The spark plug also incorporates NGK’s resistor design and ceramic insulator, which are intended to support electrical insulation, reduce electromagnetic interference, and manage heat dissipation during engine operation. The metal shell is plated to resist corrosion and support durability during installation and removal. The CPR8EAIX-9 is designed as a like-for-like replacement component, not as a modification intended to alter engine behaviour or output. Intended Application & Fitment The NGK CPR8EAIX-9 spark plug is specified for select variants of the Bajaj Dominar platform. It should only be used in engines where CPR8EAIX-9 is listed as the recommended spark plug code in official service or maintenance documentation. Confirmed applications include: Bajaj Dominar 250 Single-spark engine Requires one spark plug Bajaj Dominar 400 Triple-spark cylinder head CPR8EAIX-9 is used as the left and right side spark plug Requires two spark plugs for side positions Compatibility applies strictly where this spark plug code is specified. Engines using a different spark plug specification should not use this model, even if engine displacement or layout appears similar. 🔧 Wider Compatibility (Specification-Based Fitment) The NGK CPR8EAIX-9 is not limited to Bajaj Dominar platforms.It is used across multiple motorcycles and scooters where this exact plug specification is required. Additional compatible applications include (as per specification reference): Hero MotoCorp Xpulse 200 / 200T (FI, BS6) Xtreme 160R / 200S / 200R Achiever 150, Hunk, Impulse Honda Unicorn 150 / 160 Hornet 160R / Hornet 2.0 X-Blade CB Trigger SP Shine 125 Bajaj Pulsar NS200 / RS200 / AS200 (Side plugs) Pulsar 150 / 180 / 220 / 220F Avenger series Dominar 250 / 400 TVS Raider 125 Jupiter, Zest, Wego (BS6 variants) Yamaha FZ V3 / FZS V3 / FZ16 Aprilia SR125 / SR160 / SXR160 / Storm 125 Specification-Based Use Spark plug codes define multiple critical parameters, including: Thread diameter and reach Heat range Electrode design Terminal configuration Using the correct spark plug specification is essential to ensure proper fitment and correct thermal behaviour inside the combustion chamber. Installing a spark plug with an incorrect heat range or configuration may lead to improper combustion or long-term engine issues. The CPR8EAIX-9 is not intended as a universal upgrade. It is designed to meet the specification requirements of engines that call for this exact plug code. Replacement & Service Considerations Spark plugs are routine service components and should be replaced according to the motorcycle manufacturer’s recommended service intervals. While iridium spark plugs are generally designed for improved durability compared to conventional nickel plugs, actual replacement timing depends on riding conditions, fuel quality, engine condition, and maintenance practices. The NGK CPR8EAIX-9 is supplied as a single spark plug. Buyers should confirm the quantity required for their specific engine configuration before purchase. Installation should be carried out following standard service procedures, including: Correct tightening torque Clean threads Proper seating Improper installation may affect ignition performance or cause damage. Summary The NGK Iridium IX CPR8EAIX-9 spark plug is an OEM-spec ignition component intended for select Bajaj Dominar 250 and Dominar 400 petrol engines. Built with a fine-wire iridium centre electrode and NGK’s proven construction standards, it is designed to provide stable ignition and reliable combustion when used in engines that specify the CPR8EAIX-9 code. Correct compatibility verification and proper installation are essential before use.

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NGK Iridium IX LKAR8AI-9 Spark Plug – OEM-Spec Centre Plug for KTM & Bajaj (BS4 & BS6) The NGK Iridium IX LKAR8AI-9 spark plug is an OEM-spec ignition component designed for select KTM and Bajaj petrol engines where the LKAR8AI-9 spark plug specification is recommended. Manufactured by NGK to its Iridium IX construction standards, this spark plug is intended to provide consistent ignition performance and stable combustion when installed in compatible engines under normal operating conditions. Spark plugs play a critical role in petrol engines by igniting the air–fuel mixture inside the combustion chamber. Correct ignition timing and spark stability are essential for controlled combustion, dependable starting, and predictable engine operation. The LKAR8AI-9 is engineered to meet these requirements when used in engines that specify this exact plug code. Iridium IX Spark Plug Construction The LKAR8AI-9 features a 0.6 mm fine-wire iridium centre electrode, laser-welded to improve electrode durability under repeated heat cycles. Iridium is selected for spark plug electrodes due to its high melting point and resistance to electrode erosion when compared to conventional nickel-alloy materials. This spark plug also incorporates NGK’s ceramic insulator and resistor design, which are intended to support electrical insulation, suppress electromagnetic interference, and manage heat dissipation during engine operation. The plated metal shell is designed to resist corrosion and support durability during routine installation and removal. The LKAR8AI-9 is manufactured as a like-for-like replacement component. It does not alter engine tuning, ignition timing, compression ratio, or fuel delivery characteristics. Intended Application & Compatibility The NGK LKAR8AI-9 spark plug is specified for select KTM and Bajaj motorcycle engines only where this exact plug code is listed in official service or maintenance documentation. KTM – Direct Replacement Applications (BS4 & BS6) Duke 125 Duke 200 Duke 250 Duke 390 RC 125 RC 200 RC 390 Adventure 250 Adventure 390 (Gen 1 and BS6) Bajaj – Centre Spark Plug (Triple-Spark Engines) Dominar 250 – Centre plug Dominar 400 – Centre plug Pulsar NS400Z – Centre plug Pulsar NS200 – Centre plug Pulsar RS200 – Centre plug Pulsar AS200 – Centre plug Compatibility applies only where LKAR8AI-9 is the specified spark plug code. Engines using a different spark plug specification should not use this model, even if displacement or engine platform appears similar. Important Note for Triple-Spark Engines Certain Bajaj engines use a three-spark-plug cylinder head configuration. In these engines: 1 × LKAR8AI-9 is used as the centre spark plug 2 × CPR8EAIX-9 are used as the side spark plugs This product listing is only for the centre spark plug (LKAR8AI-9). Buyers should confirm the correct quantity and plug positions before purchase. Specification-Based Use Spark plug codes define critical parameters including: Thread size and reach Heat range Electrode configuration Terminal type Using the correct spark plug specification ensures proper fitment and correct thermal behaviour within the combustion chamber. Installing an incorrect spark plug may result in improper combustion or long-term engine issues. The LKAR8AI-9 is not intended as a universal performance upgrade. It is designed strictly to meet the specification requirements of engines that call for this exact plug code. Replacement & Service Considerations Spark plugs are routine service components and should be replaced according to the motorcycle manufacturer’s recommended service intervals. While iridium spark plugs are generally designed for improved durability compared to conventional nickel plugs, actual replacement timing depends on riding conditions, fuel quality, engine condition, and maintenance practices. The NGK LKAR8AI-9 is supplied as a single spark plug. Buyers should confirm the number of spark plugs required for their specific engine configuration before purchase. Installation should follow standard service procedures, including correct tightening torque and clean thread conditions. Summary The NGK Iridium IX LKAR8AI-9 spark plug is an OEM-spec ignition component intended for select KTM and Bajaj motorcycles where this spark plug specification is recommended. Built with a fine-wire iridium centre electrode and NGK’s proven construction standards, it is designed to support stable ignition and reliable combustion when used as a direct replacement in compatible engines. Correct compatibility verification and proper installation are essential before use.

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NGK Iridium Spark Plug Kit for Bajaj Dominar 400 – Triple Spark OEM-Spec Replacement Set The NGK Iridium Spark Plug Kit for Bajaj Dominar 400 is a specification-based ignition service kit designed for Dominar 400 engines equipped with a triple-spark cylinder head, where the factory-recommended spark plug combination is required. Bajaj Dominar 400 engines use three spark plugs per cylinder — one centre spark plug and two side spark plugs — each with a specific plug code and design. This kit groups the correct NGK spark plugs into a single package to simplify replacement and ensure correct specification matching across all three plug positions. This kit is intended strictly as a like-for-like replacement set, not as a modification or tuning upgrade. Kit Contents & Spark Plug Positions The kit includes the following NGK spark plugs: 1 × NGK LKAR8AI-9Centre spark plug position 2 × NGK CPR8EAIX-9Left and right side spark plug positions Each spark plug in this kit serves a specific role within the Dominar 400’s triple-spark head and should be installed only in its designated position. Spark Plug Construction Overview NGK LKAR8AI-9 (Centre Plug) The LKAR8AI-9 features a fine-wire iridium centre electrode, laser-welded for durability under confirmed heat cycles. Iridium is used due to its high melting point and resistance to electrode wear compared to conventional nickel-alloy materials. This plug is specified by the manufacturer for the centre position in the Dominar 400’s triple-spark configuration and is designed to operate within the thermal range required for that position. NGK CPR8EAIX-9 (Side Plugs) The CPR8EAIX-9 spark plugs use NGK’s Iridium IX construction, incorporating a fine-wire iridium centre electrode paired with a conventional ground electrode design. These plugs are specified for the left and right side positions of the Dominar 400 cylinder head. They are engineered to maintain consistent spark characteristics when used as specified, without altering engine tuning or ignition mapping. Why a Matched Triple-Spark Kit Matters In triple-spark engines, each spark plug position is designed with a specific heat range, reach, and electrode configuration. Mixing incorrect plug types or using mismatched specifications can result in improper ignition behaviour or uneven combustion. This kit ensures: Correct spark plug code for each position Proper fitment across all three plug locations Simplified replacement without cross-referencing multiple listings It does not change engine output, ignition timing, compression, or fuel delivery. Intended Application & Compatibility This NGK spark plug kit is intended for: Bajaj Dominar 400 BS3 BS4 BS6 Compatibility applies only to Dominar 400 engines that use the factory triple-spark configuration and specify LKAR8AI-9 and CPR8EAIX-9 spark plug codes. It is not suitable for Dominar 250 or other Bajaj engines with different spark plug specifications. Replacement & Service Considerations Spark plugs are routine service components and should be replaced according to the motorcycle manufacturer’s recommended service intervals. While iridium spark plugs are generally designed for improved durability compared to conventional plugs, actual replacement intervals depend on riding conditions, fuel quality, engine condition, and maintenance practices. Installation should follow standard service procedures: Install each plug only in its specified position Use correct tightening torque Ensure clean threads and proper seating Incorrect installation or plug placement may affect ignition behaviour or cause component damage. Summary The NGK Iridium Spark Plug Kit for Bajaj Dominar 400 is a specification-correct replacement set designed for triple-spark Dominar 400 engines. By bundling the required centre and side spark plugs into one kit, it simplifies maintenance while ensuring correct ignition component matching across all three spark plug positions. This kit is intended strictly for engines that specify these NGK plug codes and should be installed according to manufacturer service guidelines.Buyers are advised to verify spark plug specifications using the motorcycle manufacturer’s service manual before installation. Using the correct plug code and means correct fitment, heat range compliance, and reliable ignition system operation.

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NGK CPR8EAIX-9 Iridium IX Spark Plug | Universal Fitment The NGK CPR8EAIX-9 is a fine-wire iridium spark plug engineered for motorcycles and scooters that specify the CPR8EAIX-9 plug code. It replaces the OEM spark plug on a wide range of Indian-market bikes across Hero, Honda, Bajaj, TVS, Yamaha, and Aprilia platforms - with no modification required. If your service manual, owner's manual, or mechanic specifies CPR8EAIX-9 as the correct plug code, this is the exact component. Technical Specifications Part Number CPR8EAIX-9 Brand NGK Series Iridium IX Thread Diameter 10 mm Thread Reach 19 mm Hex Size 16 mm Heat Range 8 Electrode Type Fine-wire iridium centre electrode Centre Electrode Tip Diameter 0.6 mm Pre-set Gap 0.9 mm Resistor Yes Insulator Tip Projected Supplied As Single plug Why Iridium IX Over Standard Nickel The iridium centre electrode runs a 0.6 mm fine-wire tip — far narrower than a conventional nickel plug. This concentrated spark focus means: Cleaner ignition of the air-fuel mixture on every combustion cycle More stable idle and throttle response Longer service interval compared to nickel plugs Consistent performance across varying fuel quality and riding conditions The CPR8EAIX-9 is an OEM-grade replacement, not a modification. It does not alter engine tuning, fuelling, or timing — it simply performs the ignition function more reliably and for longer. Full Compatibility Reference Verified compatible models as per NGK fitment data. Always cross-reference against your owner's manual or service documentation before purchase. Hero MotoCorp Ltd. (formerly Hero Honda) Achiever 150 Xtreme CBZ Xtreme Xtreme Sport Hunk Impulse Xtreme 200R (model from Oct 2018) Xtreme XT200FI Xtreme 160R FI (BS-6) Xtreme 200S FI (BS-6) Enduro XT200 (model from Oct 2018) Xpulse 200cc (from May 2019) Xpulse 200 FI (BS-6) Xpulse 200T FI (BS-6) Honda Motorcycle & Scooter India Pvt. Ltd. Unicorn Unicorn Dazzler CB Trigger CB Unicorn 150 CB Unicorn 160cc CB Hornet 160R X-Blade 160cc (old) X-Blade 160cc (launched June 2020) SP Shine 125 HET (BS-6) New Shine 125cc (model from Feb 2020) Unicorn 160cc (model from Feb 2020) CBR 500R CB 500X Hornet 2.0 Bajaj Auto Ltd. Avenger Discover 125 DTSi (old model) Discover 135 DTSi Platina 125cc Pulsar 150 / 180 / 200 Pulsar 220 / 220F (Left Side & Right Side) XCD 125 DTSi XCD 135 DTSi Eliminator Pulsar 200NS (Left & Right Side) Avenger Cruise / Street 220 (Left & Right Side) Dominar 400 (Left & Right Side) Pulsar RS200 (Left & Right Side) Pulsar AS200 (Left & Right Side) Pulsar 125 / 220 BS-6 (Left & Right Side) Dominar 250 BS-6 (LH) Dominar 400 BS-6 (LH & RH) TVS Motor Company Ltd. Jupiter BS-6 Zest 110 Star City Plus Phoenix XL 100 (all variants) Wego 110 Raider 125 Pep+ BS-6 Radeon 110 India Yamaha Motor Pvt. Ltd. FZ-FI SZ-RR 2.0 SZ-S FZ-S FZ-S FI 150cc (model from Aug 2018) FZ 16 (150cc) FZ-FI V3.0 (BS-6) FZS-FI V3.0 (BS-6) Piaggio Vehicles Pvt. Ltd. (Aprilia) Aprilia SR 160 BS-6 Aprilia SR 125 / 150 Aprilia Storm 125 Aprilia SXR 160 Compatibility is specification-based per NGK fitment data. Verify against your service manual before ordering. Models with Left Side / Right Side notation require 2 units per bike. Installation Notes Supplied pre-gapped at 0.9 mm — verify against your manufacturer's specification before installation Tighten to torque value in your service manual (typically 12–15 Nm for 10mm thread) Clean threads before installation; do not over-torque Single plug supplied — dual-plug engines (Pulsar 220, Dominar 400, NS200, RS200, AS200) require 2 units In The Box 1 × NGK CPR8EAIX-9 Iridium IX Spark Plug

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NGK LKR7BIX Iridium Spark Plug – OEM Replacement for Hyundai 1.2L Kappa & Tata 1.2L Revotron Engines The NGK LKR7BIX Iridium Spark Plug is an OEM-spec ignition component designed for select 1.2-litre petrol engines used across Hyundai and Tata passenger vehicles, where the LKR7BIX spark plug specification is recommended. Manufactured to NGK’s established iridium spark plug standards, this model is intended to provide consistent ignition performance and reliable combustion under normal driving conditions. Spark plugs play a critical role in petrol engines by igniting the air-fuel mixture inside the combustion chamber. A stable and consistent spark helps ensure smooth engine operation, dependable starting, and controlled combustion. The NGK LKR7BIX is built to meet these requirements when installed in engines that specify this exact plug code. Iridium Spark Plug Construction Iridium spark plugs use a fine-wire iridium centre electrode, a material selected by NGK for its high melting point and resistance to electrode wear. Compared to conventional copper spark plugs, iridium electrodes maintain their shape and spark characteristics over longer operating periods. This helps the spark plug continue to perform consistently across repeated heat cycles and extended use. The fine-wire electrode design allows the spark to form more precisely at the tip of the electrode. This contributes to stable ignition without requiring changes to engine tuning or fuel delivery. The NGK LKR7BIX is designed as a like-for-like replacement component, not as a modification that alters engine behaviour. In addition to the iridium centre electrode, the spark plug features NGK’s ceramic insulator and plated metal shell. These components are designed to support electrical insulation, manage heat dissipation, and provide durability during routine installation and removal. Intended Application The LKR7BIX spark plug is commonly specified for Hyundai Kappa 1.2L (2nd generation) petrol engines and Tata 1.2L Revotron petrol engines. It functions as a direct replacement only when the vehicle manufacturer or service documentation specifies LKR7BIX or LKR7BIX-P. This spark plug does not change engine mapping, compression, or output. Its purpose is to maintain proper ignition performance and combustion stability in engines designed for this specification. Engine Compatibility / Application Hyundai – Kappa Engine (2nd Generation), 1.2L Petrol Grand i10 Xcent i20 (Sportz & Active) i20 Elite Aura 1.2L (Jan 2020 – Jan 2023) Grand i10 Nios 1.2L (Aug 2019 – Jan 2023) Tata – 1.2L Revotron Petrol Engine Zest Bolt Tiago 1.2L Tigor 1.2L Altroz 1.2L Revotron (from Feb 2020) Punch 1.2L Compatibility applies only where LKR7BIX is the specified spark plug code. Vehicles using different spark plug specifications should not use this model. Replacement & Use Considerations Spark plugs are service components and should be replaced according to the vehicle manufacturer’s recommended service intervals. While iridium spark plugs are designed for longer service life compared to conventional plugs, actual replacement timing depends on engine condition, driving environment, fuel quality, and maintenance practices. The NGK LKR7BIX is supplied as a single spark plug. Vehicles may require multiple spark plugs depending on engine design. Buyers should confirm the quantity required for their specific engine before purchase.This listing price is for one spark plug only. Installation should be carried out following standard service procedures, including correct tightening torque and clean thread conditions. Improper installation may affect performance or cause damage. Summary The NGK LKR7BIX Iridium Spark Plug is a high-quality, OEM-spec ignition component intended for select 1.2-litre petrol engines used by Hyundai and Tata. Built with an iridium fine-wire centre electrode and NGK’s proven construction standards, it is designed to provide stable ignition and reliable combustion when used in engines that specify the LKR7BIX code. As with all ignition components, correct application and compatibility verification are essential before installation. OEM Specification & Service Context The NGK LKR7BIX iridium spark plug is manufactured to meet OEM replacement requirements where this specific plug code is specified by the vehicle manufacturer. NGK assigns spark plug codes based on critical parameters such as thread size, reach, heat range, terminal type, and electrode configuration. Using the correct spark plug code is essential to ensure proper fitment and correct thermal behaviour inside the combustion chamber. The LKR7BIX designation identifies this spark plug as part of NGK’s iridium series, intended for engines designed to operate within the corresponding heat range and ignition characteristics. Substituting spark plugs with a different code, even if visually similar, may result in improper combustion behaviour or long-term engine issues. For this reason, the NGK LKR7BIX should only be installed in engines where this exact specification is recommended. This spark plug is not intended as a universal upgrade. It is a direct, like-for-like replacement for engines that specify LKR7BIX or LKR7BIX-P in official service documentation.

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NGK Iridium IX CR7EIX Spark Plug for Royal Enfield 411 & 650 Engines The NGK Iridium IX CR7EIX spark plug is an OEM-spec ignition component designed for select Royal Enfield petrol engines where the CR7EIX spark plug specification is recommended. Manufactured by NGK to its established iridium spark plug standards, this model is intended to provide consistent ignition performance and stable combustion under normal riding conditions. Spark plugs play a critical role in petrol engines by igniting the air–fuel mixture inside the combustion chamber. Correct ignition timing and spark stability are essential for dependable starting, smooth operation, and controlled combustion. The NGK CR7EIX is engineered to meet these requirements when installed in engines that specify this exact plug code. Iridium Spark Plug Construction Iridium spark plugs use a fine-wire iridium centre electrode, selected for its high melting point and resistance to electrode wear. Compared to conventional nickel spark plugs, iridium electrodes retain their shape and spark characteristics over extended operating periods. This helps maintain consistent ignition behaviour across repeated heat cycles and regular usage. The CR7EIX features a 0.6 mm fine-wire iridium centre electrode, which allows the spark to form precisely at the electrode tip. This design supports stable ignition without requiring changes to engine tuning, fuel delivery, or ignition mapping. The spark plug functions strictly as a like-for-like replacement component, not as a modification that alters engine behaviour. In addition to the iridium centre electrode, the spark plug incorporates NGK’s ceramic insulator and resistor construction. These elements are designed to provide electrical insulation, suppress electrical noise, and manage heat transfer during engine operation. The metal shell is plated to resist corrosion and support durability during installation and removal. Intended Application & Fitment The NGK CR7EIX spark plug is specified for select Royal Enfield engines across single- and twin-cylinder platforms, only where CR7EIX is listed as the recommended spark plug code in official service documentation. Confirmed applications include: Royal Enfield 411 cc Engine Himalayan 411 (BS3 / BS4 / BS6) Royal Enfield 650 cc Twin Engines Interceptor 650 (BS4 & BS6) Continental GT 650 (BS4 & BS6) Super Meteor 650 Compatibility applies strictly where CR7EIX is the specified spark plug. Vehicles using a different spark plug code should not use this model, even if engine displacement appears similar. OEM Specification & Usage Notes NGK spark plug codes define critical parameters such as thread size, reach, heat range, terminal configuration, and electrode design. Using the correct spark plug code is essential for maintaining proper combustion characteristics and preventing long-term engine issues. The CR7EIX is manufactured as an OEM-spec iridium spark plug, not as a universal performance upgrade. Substituting spark plugs with a different heat range or design may lead to improper combustion behaviour or accelerated wear. This spark plug does not alter: Engine output Compression ratio Fuel mapping Ignition timing Its role is to maintain reliable ignition performance in engines designed for this specification. Replacement & Service Considerations Spark plugs are routine service components and should be replaced according to the vehicle manufacturer’s recommended service intervals. While iridium spark plugs are generally designed for longer durability compared to conventional nickel plugs, actual service life depends on factors such as riding conditions, fuel quality, engine health, and maintenance practices. The NGK CR7EIX is supplied as a single spark plug. Royal Enfield engines may require multiple spark plugs depending on cylinder configuration. Buyers should confirm the required quantity before purchase. Installation should follow standard service procedures, including: Correct tightening torque Clean threads Proper seating Improper installation may affect ignition performance or cause damage. Summary The NGK Iridium IX CR7EIX spark plug is a high-quality OEM-spec ignition component intended for select Royal Enfield 411 cc and 650 cc petrol engines. Built with a fine-wire iridium centre electrode and NGK’s proven construction standards, it is designed to provide consistent ignition and dependable combustion when used in engines that specify the CR7EIX code. Correct application and compatibility verification are essential before installation.

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