{"product_id":"ngk-spark-plug-bpr5es-set-of-4-bpr5esx4-14mm-thread-oe-replacement-for-motorcycles-atvs","title":"NGK Spark Plug BPR5ES Set of 4 (BPR5ESX4) — 14mm Thread, OE Replacement for Motorcycles\/ATVs","description":"\u003cp\u003e\u003cstrong\u003eNGK BPR5ES- Set of 4 (BPR5ESX4) are replacement spark plugs built to restore consistent ignition and efficient combustion in compatible gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK BPR5ES spark plugs come as a pack of four and match the original equipment specifications for many small to mid-size engines. Constructed to NGK’s established manufacturing standards, the BPR5ESX4 set provides a straightforward replacement option for routine tune-ups, helping return the engine to its designed firing characteristics. The compact package and light weight make them easy to keep in a service kit or glovebox.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines or vehicles use BPR5ES spark plugs?\u003c\/h3\u003e\n\u003cp\u003eThe BPR5ES footprint and heat range are common on a variety of motorcycles, scooters, ATVs and older small-car applications. Always check the vehicle’s service manual or NGK’s cross-reference to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 14 mm thread diameter and typical reach for light engines\u003c\/li\u003e\n  \u003cli\u003eHeat range suited for many low- to medium-output engines\u003c\/li\u003e\n  \u003cli\u003eOften used as OE replacement for older or simpler ignition systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these plugs affect starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eFresh spark plugs help deliver a strong, consistent spark which can improve cold starts and throttle feel when the rest of the ignition system is in good condition. While they don’t change engine design, replacing worn plugs removes a common source of misfires and rough idling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores reliable spark delivery when gapped correctly\u003c\/li\u003e\n  \u003cli\u003eReduces misfire frequency from worn or fouled electrodes\u003c\/li\u003e\n  \u003cli\u003eSupports steady idle and smoother throttle transitions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and packaging details of this set?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for NGK model BPR5ESX4, delivered as four individual spark plugs in compact retail packaging. The set is lightweight and sized to fit standard toolboxes or service trays, easing storage for mechanics or DIYers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eModel number: BPR5ESX4 (NGK)\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions approximately 2.2 × 10.1 × 8.9 cm\u003c\/li\u003e\n  \u003cli\u003eItem weight roughly 6.1 ounces for the four-pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these NGK plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using the correct socket and torque specified by the vehicle maker; hand-start threads to avoid cross-threading. Check and set the electrode gap to the recommended measurement before installation and inspect periodically during tune-ups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-thread then torque to factory specification to protect the cylinder head\u003c\/li\u003e\n  \u003cli\u003eSet gap per manufacturer spec before fitting for optimal performance\u003c\/li\u003e\n  \u003cli\u003eReplace as part of regular maintenance intervals or when symptoms appear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanics, motorcycle riders, ATV owners, and DIY car enthusiasts who need dependable, OE-style replacement spark plugs will find the NGK BPR5ES- Set of 4 (BPR5ESX4) a practical choice. They suit anyone seeking straightforward, proven ignition components for routine service—especially where compatibility with older or basic ignition systems matters. For exact fitment, pair this product with your vehicle’s plug chart or NGK cross-reference to ensure the correct application.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are NGK BPR5ES plugs compatible with my motorcycle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your motorcycle's manual or NGK cross-reference list for BPR5ES compatibility; fitment depends on thread size and heat range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace per your vehicle's maintenance schedule or if you notice misfires, poor idle, or hard starting; typical intervals vary by engine and use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67595089674425,"sku":"B00M5H7CVQ","price":51.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-bpr5es-front-packaging.jpg?v=1790585926","url":"https:\/\/redleafauto.ca\/products\/ngk-spark-plug-bpr5es-set-of-4-bpr5esx4-14mm-thread-oe-replacement-for-motorcycles-atvs","provider":"Redleaf Auto","version":"1.0","type":"link"}