{"product_id":"ngk-6419-spark-plug","title":"NGK 6419 Spark Plug","description":"\u003ch2\u003eLaser Iridium Spark Plug Overview\u003c\/h2\u003e\u003cp\u003eNGK Laser Iridium Spark Plug 6419 is built for specific Honda motorcycle and scooter applications that call for a 0.036-inch gap and a flat-seat design. This spark plug combines an iridium center electrode with a nickel ground electrode for consistent ignition performance across the listed fitments, including Honda CBR650F, CB600F 599, and CRF150R applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLaser iridium center electrode for precise spark delivery.\u003c\/li\u003e\n\u003cli\u003eCopper core center electrode for efficient heat transfer.\u003c\/li\u003e\n\u003cli\u003eNickel ground electrode with standard tip and standard configuration.\u003c\/li\u003e\n\u003cli\u003e0.036-inch pre-gap for the listed Honda applications.\u003c\/li\u003e\n\u003cli\u003eFlat seat, 10 mm thread diameter, and 5\/8-inch hex size.\u003c\/li\u003e\n\u003cli\u003ePart number 6419, also identified as CR9EHI-9.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 6419 is a laser iridium spark plug engineered around the specifications shown in the product data: 5000 ohm resistance, 0.75-inch reach, stud terminal, and heat range 9. The iridium tip supports stable ignition characteristics, while the copper core and nickel ground electrode help manage heat and durability in demanding small-displacement and high-revving Honda engines. This part number 6419 is listed for a wide range of Honda fitments, including 2020 Honda CRF150R, 2018 Honda CBR650F ABS, and 1991-1994 Honda CBR600F F2.\u003c\/p\u003e\u003cp\u003eNGK’s OE supplier background and long-standing ignition focus make this spark plug a direct choice for buyers looking for an OE-style replacement from a recognized ignition specialist. This part cross-references AMS Automotive 6419 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring weak or inconsistent spark output.\u003c\/li\u003e\n\u003cli\u003eAddressing misfire conditions tied to worn plugs.\u003c\/li\u003e\n\u003cli\u003eReplacing plugs with excessive electrode wear or fouling.\u003c\/li\u003e\n\u003cli\u003eMaintaining proper ignition performance in listed Honda motorcycles and scooters.\u003c\/li\u003e\n\u003cli\u003eSupporting smooth starting and steady combustion in the specified applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the specified gap before installation and confirm the flat-seat design matches the engine’s requirements. Use the listed part number 6419 and CR9EHI-9 reference when checking application data for your Honda model. Fitment includes 2020 Honda CRF150R, 2018 Honda CB650F ABS, 2014-2016 Honda CBR650F, 2010 Honda NHX110 Elite, and 1988-1990 Honda NX250.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE spark plug supplier in North America and manufactures ignition components to original equipment standards. The brand’s manufacturing focus and application coverage support consistent product quality for the listed fitments.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725765468341,"sku":"BCDP-6419","price":17.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_6419_Fro.jpg?v=1794209735","url":"https:\/\/www.partcatalog.com\/products\/ngk-6419-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}