{"product_id":"ngk-1503-spark-plug","title":"NGK 1503 Spark Plug","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eNGK 1503 is a standard carded spark plug built for a wide range of small-displacement motorcycles, scooters, and ATVs. It uses a copper core center electrode, nickel tip materials, and a 5k ohm resistor for stable ignition performance. This NGK spark plug 1503 is specified for applications that call for a 0.028-inch gap.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCopper core center electrode with nickel tip materials for consistent spark delivery.\u003c\/li\u003e\n\u003cli\u003e5k ohm resistor helps control electrical noise in the ignition system.\u003c\/li\u003e\n\u003cli\u003eStandard ground electrode design with a flat seat and 14 mm thread diameter.\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.028 inches for listed applications.\u003c\/li\u003e\n\u003cli\u003eRemovable nut terminal for common ignition wire connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 1503, also identified as BPR7HS BLYB, is an OE-style spark plug engineered to meet original equipment standards for durability and operational performance. The heat range 7 specification, 0.5-inch reach, and standard electrode configuration make it a direct service part for many compact powersports engines. Fitment includes 2008-2011 Yamaha YW50 Zuma, 2003-2006 Polaris Predator 90, and 1987-2006 Suzuki LT80 QuadSport, along with other listed Yamaha, E-TON, Bombardier, Kawasaki, TGB, Arctic Cat, Kasea, Aprilia, Ducati, and Vento applications. This part cross-references Champion Spark Plug (e.g., 932-1, 932M) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores weak or inconsistent spark output.\u003c\/li\u003e\n\u003cli\u003eAddresses hard starting caused by worn plug electrodes.\u003c\/li\u003e\n\u003cli\u003eHelps correct misfire or rough running in listed engines.\u003c\/li\u003e\n\u003cli\u003eReplaces fouled plugs with the specified gap and heat range.\u003c\/li\u003e\n\u003cli\u003eSupports routine ignition service on powersports equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the application against the fitment list before installation. Set the spark plug gap to 0.028 inches unless the vehicle note specifies 0.024 inches. Confirm the seat type, thread diameter, reach, and terminal style match the engine specification. NGK 1503 should be installed to the manufacturer’s recommended torque and service procedure.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE spark plug supplier in North America with more than 80 years of automotive experience. The brand manufactures ignition components to original equipment standards and supports a broad range of automotive, motorcycle, marine, and small engine applications. Part number 1503 reflects NGK’s established OE-focused product line.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725760192693,"sku":"BCDP-1503","price":13.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_1503_Fro.jpg?v=1794209540","url":"https:\/\/www.partcatalog.com\/products\/ngk-1503-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}