{"product_id":"newhow-ignition-coil-583740-for-johnson-evinrude-2-225hp","title":"NEWHOW Ignition Coil 583740 for Johnson Evinrude 2-225HP","description":"\u003cp\u003e\u003cstrong\u003eNEWHOW Ignition Coil 583740 is a direct-fit dual-output replacement designed to restore spark and reliable ignition in compatible Johnson and Evinrude 2-stroke outboards from 1987–2006.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 2-stroke Johnson or Evinrude outboard is showing signs of weak spark or erratic running, the ignition coil is often the cause. This NEWHOW coil replaces OEM part 583740 (also listed as 0583740) and provides the same mounting pattern and electrical outputs as the factory unit, making it a straightforward swap for owners and mechanics who need a dependable, marine-rated coil built to resist corrosion and vibration.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this coil affect my boat’s starting and running?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing coil with the correct 583740 unit typically restores consistent spark timing and intensity, which improves starting reliability and smooths out idle and acceleration. It’s a common repair for symptoms that point to ignition weakness rather than fuel or carburetion problems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResolves hard starts, intermittent stalls, and rough idle when coil is the source\u003c\/li\u003e\n  \u003cli\u003eRestores even power delivery across RPM range for smoother acceleration\u003c\/li\u003e\n  \u003cli\u003eReduces backfiring and misfires caused by weak or inconsistent spark\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich models and horsepower ranges does this NEWHOW coil fit?\u003c\/h3\u003e\n\u003cp\u003eThis coil covers a wide span of Johnson and Evinrude two-stroke outboards manufactured between 1987 and 2006, including small single-cylinder engines up to large V6 loopers. Confirm fit by checking your current coil’s part number and dual-plug wiring configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall engines: 2–15 HP models (1987–2006)\u003c\/li\u003e\n  \u003cli\u003eMid-range: 28–50 HP models (1989–2006)\u003c\/li\u003e\n  \u003cli\u003eV4 loopers: 75–115 HP models (1995–2006)\u003c\/li\u003e\n  \u003cli\u003eV6 loopers: 135–225 HP models (1991–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult, and what should I check before buying?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a direct bolt-on swap for matching coils and requires basic hand tools. Always disconnect the battery before touching ignition hardware and verify your old coil is a dual-output (two spark plug wires) 583740\/0583740 unit to avoid ordering the wrong part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery and follow engine service manual torque specs\u003c\/li\u003e\n  \u003cli\u003eConfirm part number on old coil and dual-plug output configuration\u003c\/li\u003e\n  \u003cli\u003eOne coil unit per cylinder bank — multi-cylinder engines may need multiple coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and protections does this coil include for marine use?\u003c\/h3\u003e\n\u003cp\u003eNEWHOW builds this ignition coil with a sealed, corrosion-resistant housing and internal components chosen to tolerate salt, spray, and engine vibration. The coil is engineered to meet or exceed original specification for spark output and longevity in marine environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSealed housing to minimize moisture ingress and corrosion\u003c\/li\u003e\n  \u003cli\u003eVibration-tolerant construction suitable for outboard mounting locations\u003c\/li\u003e\n  \u003cli\u003eBacked by a 1-year warranty for manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boat owners, DIY mechanics, and marine service shops that operate or repair Johnson and Evinrude two-stroke outboards from 1987–2006 and need a reliable OEM-style replacement for part number 583740\/0583740. Choose this NEWHOW coil when your engine shows ignition-related symptoms and you’ve confirmed a dual-plug coil is required — it’s intended for repairs where restoring original spark performance and weather resistance matters most.\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: Does this coil replace OEM part 583740?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. NEWHOW 583740 is made as a direct replacement for OEM 583740 (also listed as 0583740).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can one coil cover V6 loopers on 135–225 HP engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: V6 engines typically require one coil per cylinder bank; confirm your engine’s coil count before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NEWHOW","offers":[{"title":"Default Title","offer_id":48087362568350,"sku":"B0BZ7RG5XR","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/newhow-ignition-coil-front-view_e5d4f11c-2ce1-462c-8399-4494bdb80d75.jpg?v=1785921703","url":"https:\/\/northtrailauto.ca\/products\/newhow-ignition-coil-583740-for-johnson-evinrude-2-225hp","provider":"North Trail Auto","version":"1.0","type":"link"}