{"product_id":"ngage-b8rii-8-spark-plug-yamaha-r15-mt15-r3-mt03-aerox-nmax","title":"NGage Double Iridium Spark Plug (B8RII-8) – Yamaha R15 (V1–V4), MT-15, R3, MT-03, Aerox V2 \u0026 NMax 155","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-9f71bc6b6438-7\" data-testid=\"conversation-turn-112\" 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=\"23a2a5af-cc13-4b5e-ace8-6b88571de938\" 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=\"119\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNGage B8RII-8 Double Iridium Spark Plug for Yamaha R15, MT-15, R3, MT-03, Aerox V2 \u0026amp; NMax 155 (BS4 \/ BS6 Compatible)\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\u003cp data-end=\"867\" data-start=\"504\"\u003eThe \u003cstrong data-end=\"551\" data-start=\"508\"\u003eNGage B8RII-8 Double Iridium Spark Plug\u003c\/strong\u003e is a precision ignition component developed for select Yamaha motorcycles and scooters built on modern, fuel-injected engine platforms. Manufactured in Japan, this spark plug is part of NGage’s Double Iridium series and is specified for use in both \u003cstrong data-end=\"835\" data-start=\"801\"\u003eBS4 and BS6 compliant vehicles\u003c\/strong\u003e, as stated by the manufacturer.\u003c\/p\u003e\n\u003cp data-end=\"1160\" data-start=\"869\"\u003eThis listing focuses exclusively on its application for Yamaha models where the \u003cstrong data-end=\"985\" data-start=\"949\"\u003eB8RII-8 spark plug specification\u003c\/strong\u003e is listed by NGage in its official compatibility chart. It is intended as a \u003cstrong data-end=\"1084\" data-start=\"1062\"\u003edirect replacement\u003c\/strong\u003e spark plug for these Yamaha motorcycles and scooters, without modification.\u003c\/p\u003e\n\u003chr data-end=\"1165\" data-start=\"1162\"\u003e\n\u003ch3 data-end=\"1213\" data-start=\"1167\"\u003eDesigned for Yamaha Motorcycles \u0026amp; Scooters\u003c\/h3\u003e\n\u003cp data-end=\"1360\" data-start=\"1215\"\u003eNGage specifies the B8RII-8 spark plug for a defined group of Yamaha motorcycles and scooters that share compatible ignition system requirements.\u003c\/p\u003e\n\u003cp data-end=\"1446\" data-start=\"1362\"\u003eThe following Yamaha models are listed by NGage for use with the B8RII-8 spark plug:\u003c\/p\u003e\n\u003cul data-end=\"1597\" data-start=\"1448\"\u003e\n\u003cli data-end=\"1487\" data-start=\"1448\"\u003e\n\u003cp data-end=\"1487\" data-start=\"1450\"\u003e\u003cstrong data-end=\"1468\" data-start=\"1450\"\u003eYamaha YZF-R15\u003c\/strong\u003e (V1, V2, V3, V4)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1508\" data-start=\"1488\"\u003e\n\u003cp data-end=\"1508\" data-start=\"1490\"\u003e\u003cstrong data-end=\"1506\" data-start=\"1490\"\u003eYamaha MT-15\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1530\" data-start=\"1509\"\u003e\n\u003cp data-end=\"1530\" data-start=\"1511\"\u003e\u003cstrong data-end=\"1528\" data-start=\"1511\"\u003eYamaha YZF-R3\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1551\" data-start=\"1531\"\u003e\n\u003cp data-end=\"1551\" data-start=\"1533\"\u003e\u003cstrong data-end=\"1549\" data-start=\"1533\"\u003eYamaha MT-03\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1575\" data-start=\"1552\"\u003e\n\u003cp data-end=\"1575\" data-start=\"1554\"\u003e\u003cstrong data-end=\"1573\" data-start=\"1554\"\u003eYamaha Aerox V2\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1597\" data-start=\"1576\"\u003e\n\u003cp data-end=\"1597\" data-start=\"1578\"\u003e\u003cstrong data-end=\"1597\" data-start=\"1578\"\u003eYamaha NMax 155\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1991\" data-start=\"1599\"\u003eThese models span Yamaha’s lightweight sport, naked, and performance scooter segments, covering both single-cylinder and twin-cylinder platforms. Despite differences in displacement, cylinder configuration, and riding format, NGage lists the same \u003cstrong data-end=\"1871\" data-start=\"1846\"\u003eB8RII-8 specification\u003c\/strong\u003e across all of these models, indicating alignment with their respective ignition system design and operating parameters.\u003c\/p\u003e\n\u003cp data-end=\"2289\" data-start=\"1993\"\u003eFor these Yamaha models, the B8RII-8 is intended to function as a \u003cstrong data-end=\"2088\" data-start=\"2059\"\u003elike-for-like replacement\u003c\/strong\u003e for the factory-specified spark plug type. It is not positioned as a tuning component or a modification-driven upgrade, but as a specification-correct ignition part for routine service or replacement.\u003c\/p\u003e\n\u003chr data-end=\"2294\" data-start=\"2291\"\u003e\n\u003ch3 data-end=\"2338\" data-start=\"2296\"\u003eDouble Iridium Spark Plug Construction\u003c\/h3\u003e\n\u003cp data-end=\"2492\" data-start=\"2340\"\u003eNGage classifies the B8RII-8 as a \u003cstrong data-end=\"2403\" data-start=\"2374\"\u003eDouble Iridium spark plug\u003c\/strong\u003e, meaning iridium material is used on both the center electrode and the ground electrode.\u003c\/p\u003e\n\u003cp data-end=\"2799\" data-start=\"2494\"\u003eIridium is used in modern spark plug construction due to its high melting point and resistance to electrode erosion during repeated ignition cycles. This construction approach is commonly applied in motorcycles and scooters with high-energy ignition systems and tightly controlled combustion environments.\u003c\/p\u003e\n\u003cp data-end=\"3083\" data-start=\"2801\"\u003eThe double-iridium configuration is intended to maintain consistent electrode geometry over extended operating periods under normal riding conditions. NGage does not publish electrode dimensions, spark-gap values, heat-range explanations, or service-interval figures for this model.\u003c\/p\u003e\n\u003chr data-end=\"3088\" data-start=\"3085\"\u003e\n\u003ch3 data-end=\"3119\" data-start=\"3090\"\u003eBS4 and BS6 Compatibility\u003c\/h3\u003e\n\u003cp data-end=\"3394\" data-start=\"3121\"\u003eNGage specifies that the B8RII-8 spark plug is compatible with \u003cstrong data-end=\"3213\" data-start=\"3184\"\u003eboth BS4 and BS6 vehicles\u003c\/strong\u003e. This makes it suitable for use across production years that fall before and after the BS6 emission-standard transition, provided the vehicle is included in the compatibility list.\u003c\/p\u003e\n\u003cp data-end=\"3547\" data-start=\"3396\"\u003eFor the Yamaha models listed above, this ensures suitability across emission-compliant variants without requiring a change in spark plug specification.\u003c\/p\u003e\n\u003cp data-end=\"3632\" data-start=\"3549\"\u003eNo emission-reduction, fuel-efficiency, or tuning claims are made for this product.\u003c\/p\u003e\n\u003chr data-end=\"3637\" data-start=\"3634\"\u003e\n\u003ch3 data-end=\"3663\" data-start=\"3639\"\u003eManufacturing Origin\u003c\/h3\u003e\n\u003cp data-end=\"3737\" data-start=\"3665\"\u003eThe B8RII-8 spark plug is \u003cstrong data-end=\"3716\" data-start=\"3691\"\u003emanufactured in Japan\u003c\/strong\u003e, as stated by NGage.\u003c\/p\u003e\n\u003cp data-end=\"3947\" data-start=\"3739\"\u003eNGage does not publish further information regarding production processes, certifications, or testing standards for this model. The country of manufacture is provided here as factual product information only.\u003c\/p\u003e\n\u003chr data-end=\"3952\" data-start=\"3949\"\u003e\n\u003ch3 data-end=\"3970\" data-start=\"3954\"\u003eIntended Use\u003c\/h3\u003e\n\u003cp data-end=\"4240\" data-start=\"3972\"\u003eThe NGage B8RII-8 is intended for \u003cstrong data-end=\"4029\" data-start=\"4006\"\u003eroutine replacement\u003c\/strong\u003e during scheduled maintenance or spark-plug service intervals recommended by Yamaha. It is suitable for everyday road use on the Yamaha motorcycles and scooters listed below within standard operating conditions.\u003c\/p\u003e\n\u003cp data-end=\"4351\" data-start=\"4242\"\u003eThis spark plug is not positioned by NGage as a racing-only, track-specific, or specialized tuning component.\u003c\/p\u003e\n\u003chr data-end=\"4356\" data-start=\"4353\"\u003e\n\u003ch3 data-end=\"4378\" data-start=\"4358\"\u003eFitment Accuracy\u003c\/h3\u003e\n\u003cp data-end=\"4468\" data-start=\"4380\"\u003eCorrect spark plug selection is critical for engine operation and long-term reliability.\u003c\/p\u003e\n\u003cp data-end=\"4627\" data-start=\"4470\"\u003eThe B8RII-8 should be installed \u003cstrong data-end=\"4510\" data-start=\"4502\"\u003eonly\u003c\/strong\u003e on vehicles listed in the compatibility section below. Use on non-listed motorcycles or scooters is not recommended.\u003c\/p\u003e\n\u003chr data-end=\"4632\" data-start=\"4629\"\u003e\n\u003ch2 data-end=\"4650\" data-start=\"4634\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-end=\"4722\" data-start=\"4652\"\u003eAs per NGage official compatibility chart for part number \u003cstrong data-end=\"4721\" data-start=\"4710\"\u003eB8RII-8\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp data-end=\"4757\" data-start=\"4724\"\u003e\u003cstrong data-end=\"4757\" data-start=\"4724\"\u003eYamaha Motorcycles \u0026amp; Scooters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"4907\" data-start=\"4758\"\u003e\n\u003cli data-end=\"4797\" data-start=\"4758\"\u003e\n\u003cp data-end=\"4797\" data-start=\"4760\"\u003eYamaha \u003cstrong data-end=\"4778\" data-start=\"4767\"\u003eYZF-R15\u003c\/strong\u003e (V1, V2, V3, V4)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4818\" data-start=\"4798\"\u003e\n\u003cp data-end=\"4818\" data-start=\"4800\"\u003eYamaha \u003cstrong data-end=\"4816\" data-start=\"4807\"\u003eMT-15\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4840\" data-start=\"4819\"\u003e\n\u003cp data-end=\"4840\" data-start=\"4821\"\u003eYamaha \u003cstrong data-end=\"4838\" data-start=\"4828\"\u003eYZF-R3\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4861\" data-start=\"4841\"\u003e\n\u003cp data-end=\"4861\" data-start=\"4843\"\u003eYamaha \u003cstrong data-end=\"4859\" data-start=\"4850\"\u003eMT-03\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4885\" data-start=\"4862\"\u003e\n\u003cp data-end=\"4885\" data-start=\"4864\"\u003eYamaha \u003cstrong data-end=\"4883\" data-start=\"4871\"\u003eAerox V2\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4907\" data-start=\"4886\"\u003e\n\u003cp data-end=\"4907\" data-start=\"4888\"\u003eYamaha \u003cstrong data-end=\"4907\" data-start=\"4895\"\u003eNMax 155\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"4912\" data-start=\"4909\"\u003e\n\u003ch2 data-end=\"4936\" data-start=\"4914\"\u003eVariant Explanation\u003c\/h2\u003e\n\u003cp data-end=\"5007\" data-start=\"4938\"\u003eThis listing is for \u003cstrong data-end=\"5001\" data-start=\"4958\"\u003eNGage B8RII-8 Double Iridium Spark Plug\u003c\/strong\u003e only.\u003c\/p\u003e\n\u003cul data-end=\"5250\" data-start=\"5009\"\u003e\n\u003cli data-end=\"5095\" data-start=\"5009\"\u003e\n\u003cp data-end=\"5095\" data-start=\"5011\"\u003e“Double Iridium” refers to iridium usage on both the center and ground electrodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5172\" data-start=\"5096\"\u003e\n\u003cp data-end=\"5172\" data-start=\"5098\"\u003eThis part number represents a single manufacturer-defined specification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5250\" data-start=\"5173\"\u003e\n\u003cp data-end=\"5250\" data-start=\"5175\"\u003eNo alternate heat ranges or material variants are included in this listing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"5255\" data-start=\"5252\"\u003e\n\u003ch2 data-end=\"5295\" data-start=\"5257\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-end=\"5494\" data-start=\"5297\"\u003e\n\u003cli data-end=\"5313\" data-start=\"5297\"\u003e\n\u003cp data-end=\"5313\" data-start=\"5299\"\u003eBrand: NGage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5338\" data-start=\"5314\"\u003e\n\u003cp data-end=\"5338\" data-start=\"5316\"\u003ePart Number: B8RII-8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5374\" data-start=\"5339\"\u003e\n\u003cp data-end=\"5374\" data-start=\"5341\"\u003eSpark Plug Type: Double Iridium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5411\" data-start=\"5375\"\u003e\n\u003cp data-end=\"5411\" data-start=\"5377\"\u003eVehicle Compatibility: BS4 \u0026amp; BS6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5445\" data-start=\"5412\"\u003e\n\u003cp data-end=\"5445\" data-start=\"5414\"\u003eCountry of Manufacture: Japan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5494\" data-start=\"5446\"\u003e\n\u003cp data-end=\"5494\" data-start=\"5448\"\u003eApplication: Motorcycle \/ scooter spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"5499\" data-start=\"5496\"\u003e\n\u003ch2 data-end=\"5530\" data-start=\"5501\"\u003eInstallation \/ Usage Notes\u003c\/h2\u003e\n\u003cul data-end=\"5751\" data-start=\"5532\"\u003e\n\u003cli data-end=\"5620\" data-start=\"5532\"\u003e\n\u003cp data-end=\"5620\" data-start=\"5534\"\u003eInstall only on Yamaha motorcycles and scooters listed in the compatibility section.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5723\" data-start=\"5621\"\u003e\n\u003cp data-end=\"5723\" data-start=\"5623\"\u003eFollow Yamaha service-manual torque specifications and standard spark-plug installation procedure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5751\" data-start=\"5724\"\u003e\n\u003cp data-end=\"5751\" data-start=\"5726\"\u003eInstall on a cold engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ngage","offers":[{"title":"Default Title","offer_id":52928198803821,"sku":"NGAGE-SP-B8RII-8-YAMAHAR15","price":899.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/0549\/8989\/files\/NgageDoubleIridiumSparkPlug3_1_84c05019-46ed-49c5-b9d9-89189d1fc10c.webp?v=1768808145","url":"https:\/\/rawtorque.in\/products\/ngage-b8rii-8-spark-plug-yamaha-r15-mt15-r3-mt03-aerox-nmax","provider":"Rawtorque","version":"1.0","type":"link"}