{"product_id":"ngk-3998-spark-plug","title":"NGK 3998 Spark Plug","description":"\u003ch2\u003eRacing Spark Plug Overview\u003c\/h2\u003e\u003cp\u003eThe NGK 3998 racing spark plug is built for small-displacement Kawasaki two-stroke applications that call for a flat-seat plug with a 14 mm thread and 0.75-inch reach. It uses a copper core center electrode, nickel tip materials, and a standard ground design for consistent ignition performance in demanding use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNGK 3998 spark plug with a 1-resistor design for ignition noise control.\u003c\/li\u003e\n\u003cli\u003eCopper core center electrode for stable heat transfer.\u003c\/li\u003e\n\u003cli\u003eNickel center and ground electrode tip materials.\u003c\/li\u003e\n\u003cli\u003eFlat seat, 14 mm thread diameter, and 0.75-inch reach.\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.024 inches, with fitment notes calling for adjustment to 0.032 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis NGK B9EG SOLID spark plug is specified for Kawasaki KX60 models and is identified by part number 3998. The racing-oriented construction uses a standard ground configuration, a single ground electrode, and a 13\/16 hex size for service access. With a manufacturer heat range of 9, it is suited to applications that require a colder plug specification. This part cross-references NGK (e.g., 3998) for the same application.\u003c\/p\u003e\u003cp\u003eFits 1999-2001 Kawasaki KX60, N\/A. Fits 2002-2003 Kawasaki KX60, N\/A.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring reliable spark in a worn or fouled plug.\u003c\/li\u003e\n\u003cli\u003eReplacing a plug with the correct heat range and reach.\u003c\/li\u003e\n\u003cli\u003eAddressing misfire, hard-start, or inconsistent combustion symptoms.\u003c\/li\u003e\n\u003cli\u003eMaintaining proper ignition performance in Kawasaki KX60 applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the thread diameter, seat type, reach, and heat range before installation. The fitment notes specify a spark plug gap adjustment to 0.032 inches for the listed Kawasaki KX60 applications. Confirm the final gap against the engine specification before use.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a recognized ignition component manufacturer, and this spark plug follows the B9EG SOLID specification identified by part number 3998.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53604146118837,"sku":"BCDP-3998","price":14.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_3998_Fro.jpg?v=1792998905","url":"https:\/\/www.partcatalog.com\/products\/ngk-3998-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}