{"product_id":"lns-132","title":"NGK Spark Plug - DPR7EA-9","description":"\u003cp\u003eThe \u003cstrong\u003eNGK DPR7EA-9\u003c\/strong\u003e is a standard resistor spark plug used in select motorcycles, ATVs, scooters, utility engines, and powersports applications where the manufacturer specifies the \u003cstrong\u003eDPR7EA-9 \/ NGK 5129\u003c\/strong\u003e plug profile. It uses copper-core nickel construction, a built-in resistor, a projected insulator nose, and a 12 mm gasket-seat body for dependable ignition service in compatible engines.\u003c\/p\u003e\n\u003cp\u003eThis plug should be installed only where the engine service manual, equipment label, or factory application chart specifically calls for \u003cstrong\u003eNGK DPR7EA-9\u003c\/strong\u003e, \u003cstrong\u003eNGK 5129\u003c\/strong\u003e, or an approved equivalent.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine NGK standard spark plug.\u003c\/li\u003e\n\u003cli\u003eNGK part number: \u003cstrong\u003eDPR7EA-9\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNGK stock number: \u003cstrong\u003e5129\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCopper-core nickel construction for standard service applications.\u003c\/li\u003e\n\u003cli\u003eBuilt-in resistor to help reduce ignition-related RFI noise.\u003c\/li\u003e\n\u003cli\u003eProjected insulator nose design.\u003c\/li\u003e\n\u003cli\u003eThread diameter: \u003cstrong\u003e12 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThread reach: \u003cstrong\u003e19 mm \/ 3\/4 in.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHex size: \u003cstrong\u003e18 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSeat style: \u003cstrong\u003eflat \/ gasket seat\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHeat range: \u003cstrong\u003e7\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFactory preset gap reference: \u003cstrong\u003e0.036 in. \/ 0.9 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eTerminal style: \u003cstrong\u003ethreaded stud \/ removable terminal nut\u003c\/strong\u003e, depending on ignition cap requirement.\u003c\/li\u003e\n\u003cli\u003ePowersports distributor catalog formatting may appear as \u003cstrong\u003e41-DPR7EA9\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCommon application context includes select engines where the factory plug chart calls for \u003cstrong\u003eNGK DPR7EA-9 \/ 5129\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003eYamaha Royal Star \/ Royal Star Tour Classic \/ Venture XVZ1300\u003c\/strong\u003e applications where specified.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eYamaha cruiser and powersports\u003c\/strong\u003e applications where specified.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eHonda ATV and cruiser motorcycle\u003c\/strong\u003e applications where specified.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eKawasaki, Suzuki, Harley-Davidson, KYMCO, and Triumph\u003c\/strong\u003e powersports applications where the manufacturer lists the DPR7EA-9 plug profile.\u003c\/li\u003e\n\u003cli\u003eSelect utility-engine or specialty small-engine applications where the service chart confirms \u003cstrong\u003eDPR7EA-9 \/ 5129\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse this spark plug only where the manufacturer's application chart lists \u003cstrong\u003eDPR7EA-9\u003c\/strong\u003e, \u003cstrong\u003e5129\u003c\/strong\u003e, or an approved equivalent.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm fitment by exact year, make, model, engine size, serial number, service manual, and spark plug chart before ordering. Spark plugs with the same thread diameter can still differ in reach, heat range, seat style, terminal type, resistor design, projection, and required gap. Installing the wrong plug can cause hard starting, misfire, poor idle, overheating, thread damage, piston contact, or ignition-system issues.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace spark plugs during scheduled tune-up service or whenever the plug is worn, fouled, fuel-soaked, oil-contaminated, cracked, corroded, damaged, or causing hard starting, rough idle, hesitation, misfire, weak acceleration, or poor throttle response. Powersports engines that idle frequently, operate in wet or dusty conditions, or sit in seasonal storage should have plugs inspected regularly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCheck the plug number and required gap before installation. Install into clean, undamaged cylinder head threads and tighten to the engine manufacturer's torque specification for the exact engine. Because this is a gasket-seat plug, confirm the sealing washer is present and seated correctly.\u003c\/p\u003e\n\u003cp\u003eAvoid adding anti-seize unless the engine or spark plug manufacturer specifically calls for it, as thread lubricant can change clamping load and increase the risk of over-tightening in aluminum cylinder heads. Confirm whether the ignition lead requires the removable terminal nut installed or removed before fitting the spark plug cap.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK DPR7EA-9\u003c\/strong\u003e — spark plug part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK 5129\u003c\/strong\u003e — NGK stock number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDPR7EA9\u003c\/strong\u003e — alternate catalog formatting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e41-DPR7EA9\u003c\/strong\u003e — powersports distributor catalog formatting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda 98069-57911\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda 98069-57916\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda 98069-57916-00\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha 94701-00262\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha 94703-00262\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuzuki 09482-00331-111\u003c\/strong\u003e — cross-reference; verify by model and plug chart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDenso X22EPR-U9 \/ X22EPRU9\u003c\/strong\u003e — cross-reference; verify by application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChampion RA6HC \/ RA8YC\u003c\/strong\u003e — cross-reference; verify by application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDPR7EA-9\u003c\/strong\u003e is a 12 mm, 19 mm reach resistor plug with a projected firing end and 0.9 mm preset gap. It should be matched by exact plug number and application chart, not just by motorcycle, ATV, or engine family. Correct reach, seat style, terminal setup, heat range, and gap are all important for reliable ignition and cylinder-head safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":43563827560484,"sku":"41-DPR7EA9","price":13.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/ed4cb339-8ffb-46d6-8227-ac6886d3e429.png?v=1781211773","url":"https:\/\/marisolmarine.com\/products\/lns-132","provider":"Marisol Marine Company","version":"1.0","type":"link"}