{"product_id":"ngk-br8es-spark-plugs-10-pack-copper-core-resistor-plugs-for-motorcycles-small-engines","title":"NGK BR8ES Spark Plugs 10-Pack — Copper-Core Resistor Plugs for Motorcycles \u0026 Small Engines","description":"\u003cstrong\u003eNGK BR8ES 10 are standard resistor-type spark plugs sold as a boxed set of ten for reliable ignition and straightforward replacement.\u003c\/strong\u003e\n\n\u003cp\u003eThis boxed set contains ten NGK BR8ES spark plugs (part number 5422), engineered to deliver consistent spark performance across a wide range of small engines and motorcycles. The BR8ES is a conventional copper-core, nickel-alloy electrode plug with a built-in resistor to reduce radio frequency interference. These plugs are widely used for OEM-equivalent maintenance where a durable, cost-effective ignition solution is required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the NGK BR8ES suitable for everyday engine maintenance?\u003c\/h3\u003e\n\u003cp\u003eBR8ES plugs balance affordability with dependable performance. Their copper core offers good thermal conductivity for stable operating temperature, while the resistor minimizes electrical noise that can affect sensitive electronics. They are a common replacement part for older bikes, scooters, lawn equipment and utility engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper-core construction for consistent heat transfer\u003c\/li\u003e\n  \u003cli\u003eResistor built into the plug to suppress interference\u003c\/li\u003e\n  \u003cli\u003eFactory-specified gap and thread dimensions for many engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know if BR8ES is the correct size and heat range for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eCheck your vehicle’s service manual or NGK’s online cross-reference to confirm the BR8ES thread size, reach and heat rating match your engine. The BR8ES is typically a cold-to-medium heat-range plug (8 rating) suitable for standard operating conditions — not for highly tuned or high-compression applications. When in doubt, match to the OEM part number or consult a mechanic.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare thread diameter and reach with your manual\u003c\/li\u003e\n  \u003cli\u003eConfirm heat rating (8) fits your operating conditions\u003c\/li\u003e\n  \u003cli\u003eUse NGK part-cross lookup for direct replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and gap NGK BR8ES spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires the correct torque and a proper gap setting. BR8ES plugs are shipped with a factory gap; verify the gap before fitting and adjust carefully with a feeler tool if needed. Hand-thread the plug first to avoid cross-threading, then tighten to the torque spec in your manual using a torque wrench or recommended method.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify and, if necessary, set gap per vehicle spec\u003c\/li\u003e\n  \u003cli\u003eStart threading by hand to prevent damage\u003c\/li\u003e\n  \u003cli\u003eTighten to manufacturer torque recommendations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long do NGK BR8ES spark plugs typically last?\u003c\/h3\u003e\n\u003cp\u003eService life depends on engine conditions, fuel quality and riding style, but BR8ES plugs generally provide dependable service intervals similar to other copper-core plugs. For many motorcycles and small engines, inspect at regular maintenance intervals and replace every 5,000–10,000 miles or according to your owner’s guide. Heavy idling, rich mixtures or contaminated fuel may reduce service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect plugs at scheduled maintenance intervals\u003c\/li\u003e\n  \u003cli\u003eReplace sooner under harsh or contaminated conditions\u003c\/li\u003e\n  \u003cli\u003eUse visual inspections (electrode wear, fouling) to judge replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners and technicians looking for an economical, OEM-style spark plug for motorcycles, scooters, ATVs, lawn and garden equipment, or other small engines. This boxed set of ten is especially practical for workshops, fleets or anyone performing multiple replacements at once and wanting the assurance of NGK manufacturing quality.\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 these NGK BR8ES plugs compatible with my motorcycle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your owner’s manual or NGK cross-reference for part 5422 to confirm thread, reach and heat range match your model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do NGK BR8ES plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, BR8ES plugs are shipped with a factory gap but you should verify and adjust to your vehicle’s specification before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48083137527966,"sku":"B00BTROPOK","price":51.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-br8es-front-packaging.jpg?v=1785826106","url":"https:\/\/northtrailauto.ca\/products\/ngk-br8es-spark-plugs-10-pack-copper-core-resistor-plugs-for-motorcycles-small-engines","provider":"North Trail Auto","version":"1.0","type":"link"}