{"product_id":"ngage-b8rii-8-spark-plug-royal-en","title":"NGage B8RII-8 Double Iridium Spark Plug for Royal Enfield Himalayan \u0026 All 650 Models (Interceptor, GT, Bear, Super Meteor, Shotgun, Classic)","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6989acae-9f18-83ab-9f8d-9f71bc6b6438-16\" data-testid=\"conversation-turn-130\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"dcbff41c-5529-4132-9b8d-5e9fcb5fafdc\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch2 data-start=\"0\" data-end=\"95\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNGage B8RII-8 Double Iridium Spark Plug for Royal Enfield Himalayan \u0026amp; 650 Series (BS4 \u0026amp; BS6)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003c\/div\u003e\n\u003cp data-end=\"957\" data-start=\"597\"\u003eThe \u003cstrong data-end=\"644\" data-start=\"601\"\u003eNGage B8RII-8 Double Iridium Spark Plug\u003c\/strong\u003e is a premium motorcycle spark plug developed for select Royal Enfield motorcycles, including the Himalayan and the full 650 platform range listed below. Manufactured in Japan, this spark plug is part of NGage’s iridium series designed for modern motorcycle ignition systems used in both BS4 and BS6 applications.\u003c\/p\u003e\n\u003cp data-end=\"1408\" data-start=\"959\"\u003eNGage specifies the B8RII-8 as a \u003cstrong data-end=\"1021\" data-start=\"992\"\u003eDouble Iridium spark plug\u003c\/strong\u003e, indicating the use of iridium material on both the center electrode and the ground electrode. Iridium is chosen in spark plug manufacturing for its ability to withstand high combustion temperatures while maintaining electrode stability over time. This construction approach is commonly used in modern motorcycles that operate under tighter emission and combustion control requirements.\u003c\/p\u003e\n\u003chr data-end=\"1413\" data-start=\"1410\"\u003e\n\u003ch3 data-end=\"1460\" data-start=\"1415\"\u003eApplication for Royal Enfield Motorcycles\u003c\/h3\u003e\n\u003cp data-end=\"1587\" data-start=\"1462\"\u003eThe B8RII-8 spark plug is listed by NGage for use in multiple Royal Enfield motorcycles across two distinct engine platforms:\u003c\/p\u003e\n\u003cul data-end=\"1762\" data-start=\"1589\"\u003e\n\u003cli data-end=\"1622\" data-start=\"1589\"\u003e\n\u003cp data-end=\"1622\" data-start=\"1591\"\u003eThe \u003cstrong data-end=\"1622\" data-start=\"1595\"\u003eRoyal Enfield Himalayan\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1762\" data-start=\"1623\"\u003e\n\u003cp data-end=\"1762\" data-start=\"1625\"\u003eThe \u003cstrong data-end=\"1657\" data-start=\"1629\"\u003eRoyal Enfield 650 series\u003c\/strong\u003e, including Interceptor 650, Continental GT 650, Bear 650, Super Meteor 650, Shotgun 650, and Classic 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1986\" data-start=\"1764\"\u003eThese motorcycles share ignition system requirements that align with the B8RII-8 specification as published by NGage. This spark plug is intended as a \u003cstrong data-end=\"1937\" data-start=\"1915\"\u003edirect replacement\u003c\/strong\u003e within these applications, without modification.\u003c\/p\u003e\n\u003cp data-end=\"2264\" data-start=\"1988\"\u003eThe Royal Enfield 650 platform spans multiple body styles and riding formats, but ignition requirements remain consistent across these models. Listing each model explicitly ensures clarity for riders searching by motorcycle name rather than engine family or platform grouping.\u003c\/p\u003e\n\u003chr data-end=\"2269\" data-start=\"2266\"\u003e\n\u003ch3 data-end=\"2314\" data-start=\"2271\"\u003eCompatibility with BS4 and BS6 Vehicles\u003c\/h3\u003e\n\u003cp data-end=\"2593\" data-start=\"2316\"\u003eNGage specifies that the B8RII-8 spark plug is compatible with \u003cstrong data-end=\"2408\" data-start=\"2379\"\u003eboth BS4 and BS6 vehicles\u003c\/strong\u003e. This makes it suitable for Royal Enfield motorcycles produced before and after the transition to BS6 emission standards, provided the motorcycle is included in the compatibility list.\u003c\/p\u003e\n\u003cp data-end=\"2743\" data-start=\"2595\"\u003eNo additional emission-related claims, tuning effects, or regulatory certifications are stated by NGage for this product, and none are implied here.\u003c\/p\u003e\n\u003chr data-end=\"2748\" data-start=\"2745\"\u003e\n\u003ch3 data-end=\"2774\" data-start=\"2750\"\u003eManufacturing Origin\u003c\/h3\u003e\n\u003cp data-end=\"3070\" data-start=\"2776\"\u003eThe NGage B8RII-8 spark plug is \u003cstrong data-end=\"2833\" data-start=\"2808\"\u003emanufactured in Japan\u003c\/strong\u003e, as stated on the product packaging. NGage does not publish further details regarding production processes, quality certifications, or testing standards for this model. The country of manufacture is provided as factual information only.\u003c\/p\u003e\n\u003chr data-end=\"3075\" data-start=\"3072\"\u003e\n\u003ch3 data-end=\"3093\" data-start=\"3077\"\u003eIntended Use\u003c\/h3\u003e\n\u003cp data-end=\"3347\" data-start=\"3095\"\u003eThis spark plug is designed for routine replacement during scheduled maintenance or when replacing worn ignition components on compatible Royal Enfield motorcycles. It is suitable for standard road use within manufacturer-recommended service intervals.\u003c\/p\u003e\n\u003cp data-end=\"3548\" data-start=\"3349\"\u003eNGage does not classify this spark plug as a racing-only, track-specific, or performance-tuning component. It is intended for regular motorcycle operation within the scope of the listed applications.\u003c\/p\u003e\n\u003chr data-end=\"3553\" data-start=\"3550\"\u003e\n\u003ch3 data-end=\"3575\" data-start=\"3555\"\u003eFitment Accuracy\u003c\/h3\u003e\n\u003cp data-end=\"3783\" data-start=\"3577\"\u003eCorrect spark plug selection is critical for engine operation. The B8RII-8 should be installed \u003cstrong data-end=\"3680\" data-start=\"3672\"\u003eonly\u003c\/strong\u003e on motorcycles listed in the compatibility section below. Use on non-listed models is not recommended.\u003c\/p\u003e\n\u003cp data-end=\"3939\" data-start=\"3785\"\u003e\u003cstrong data-end=\"3856\" data-start=\"3785\"\u003eRoyal Enfield Himalayan 450 is not compatible with this spark plug.\u003c\/strong\u003e The Himalayan 450 uses a different engine architecture and ignition specification.\u003c\/p\u003e\n\u003chr data-end=\"3944\" data-start=\"3941\"\u003e\n\u003ch2 data-end=\"3962\" data-start=\"3946\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-end=\"3993\" data-start=\"3964\"\u003e\u003cstrong data-end=\"3993\" data-start=\"3964\"\u003eRoyal Enfield Motorcycles\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"4214\" data-start=\"3994\"\u003e\n\u003cli data-end=\"4021\" data-start=\"3994\"\u003e\n\u003cp data-end=\"4021\" data-start=\"3996\"\u003eRoyal Enfield Himalayan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4055\" data-start=\"4022\"\u003e\n\u003cp data-end=\"4055\" data-start=\"4024\"\u003eRoyal Enfield Interceptor 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4092\" data-start=\"4056\"\u003e\n\u003cp data-end=\"4092\" data-start=\"4058\"\u003eRoyal Enfield Continental GT 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4119\" data-start=\"4093\"\u003e\n\u003cp data-end=\"4119\" data-start=\"4095\"\u003eRoyal Enfield Bear 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4154\" data-start=\"4120\"\u003e\n\u003cp data-end=\"4154\" data-start=\"4122\"\u003eRoyal Enfield Super Meteor 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4184\" data-start=\"4155\"\u003e\n\u003cp data-end=\"4184\" data-start=\"4157\"\u003eRoyal Enfield Shotgun 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4214\" data-start=\"4185\"\u003e\n\u003cp data-end=\"4214\" data-start=\"4187\"\u003eRoyal Enfield Classic 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"4219\" data-start=\"4216\"\u003e\n\u003ch2 data-end=\"4243\" data-start=\"4221\"\u003eVariant Explanation\u003c\/h2\u003e\n\u003cp data-end=\"4314\" data-start=\"4245\"\u003eThis listing covers \u003cstrong data-end=\"4308\" data-start=\"4265\"\u003eNGage B8RII-8 Double Iridium Spark Plug\u003c\/strong\u003e only.\u003c\/p\u003e\n\u003cul data-end=\"4578\" data-start=\"4316\"\u003e\n\u003cli data-end=\"4399\" data-start=\"4316\"\u003e\n\u003cp data-end=\"4399\" data-start=\"4318\"\u003e“Double Iridium” refers to iridium usage on both electrodes, as defined by NGage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4482\" data-start=\"4400\"\u003e\n\u003cp data-end=\"4482\" data-start=\"4402\"\u003eNo alternative heat ranges or material variants are included under this listing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4578\" data-start=\"4483\"\u003e\n\u003cp data-end=\"4578\" data-start=\"4485\"\u003eAny comparison with other spark plug constructions is outside the scope of this product page.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"4583\" data-start=\"4580\"\u003e\n\u003ch2 data-end=\"4602\" data-start=\"4585\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-end=\"4791\" data-start=\"4604\"\u003e\n\u003cli data-end=\"4620\" data-start=\"4604\"\u003e\n\u003cp data-end=\"4620\" data-start=\"4606\"\u003eBrand: NGage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4645\" data-start=\"4621\"\u003e\n\u003cp data-end=\"4645\" data-start=\"4623\"\u003ePart Number: B8RII-8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4681\" data-start=\"4646\"\u003e\n\u003cp data-end=\"4681\" data-start=\"4648\"\u003eSpark Plug Type: Double Iridium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4718\" data-start=\"4682\"\u003e\n\u003cp data-end=\"4718\" data-start=\"4684\"\u003eVehicle Compatibility: BS4 \u0026amp; BS6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4752\" data-start=\"4719\"\u003e\n\u003cp data-end=\"4752\" data-start=\"4721\"\u003eCountry of Manufacture: Japan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4791\" data-start=\"4753\"\u003e\n\u003cp data-end=\"4791\" data-start=\"4755\"\u003eApplication: Motorcycle spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"4796\" data-start=\"4793\"\u003e\n\u003ch2 data-end=\"4827\" data-start=\"4798\"\u003eInstallation \/ Usage Notes\u003c\/h2\u003e\n\u003cul data-end=\"5047\" data-start=\"4829\"\u003e\n\u003cli data-end=\"4870\" data-start=\"4829\"\u003e\n\u003cp data-end=\"4870\" data-start=\"4831\"\u003eInstall on compatible motorcycles only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4931\" data-start=\"4871\"\u003e\n\u003cp data-end=\"4931\" data-start=\"4873\"\u003eFollow Royal Enfield service manual torque specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4980\" data-start=\"4932\"\u003e\n\u003cp data-end=\"4980\" data-start=\"4934\"\u003eEnsure the engine is cool before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5047\" data-start=\"4981\"\u003e\n\u003cp data-end=\"5047\" data-start=\"4983\"\u003eNGage does not publish gap or torque values for this spark plug.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ngage","offers":[{"title":"Default Title","offer_id":52921416909165,"sku":"NGAGE-SP-B8RII-8-HM411\u0026650","price":899.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/0549\/8989\/files\/B8RII-8NgageSparkPlug03.webp?v=1768567109","url":"https:\/\/rawtorque.in\/products\/ngage-b8rii-8-spark-plug-royal-en","provider":"Rawtorque","version":"1.0","type":"link"}