{"title":"Leaf Blower Ignition Coil","description":null,"products":[{"product_id":"585836101-handheld-blower-ignition-module-coil","title":"585836101 Handheld Blower Ignition Module Coil - Fits Husqvarna 125B 125BVX 125BX - Replaces 545108101 545108101","description":"\u003ch2\u003e585836101 Ignition Module Coil for Husqvarna and Ryobi Handheld Blowers\u003c\/h2\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Electronic Ignition:\u003c\/strong\u003e Engineered to provide a consistent, high-intensity spark across the entire RPM range, ensuring reliable starting and smooth engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Ignition Mapping:\u003c\/strong\u003e Specifically calibrated for small-displacement 2-stroke blower engines, improving fuel efficiency and reducing emissions during high-speed operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather-Shielded Encapsulation:\u003c\/strong\u003e The internal circuitry is fully potted in high-grade, heat-resistant epoxy to protect against vibration, moisture, and debris common in lawn care environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Spark Plug Lead:\u003c\/strong\u003e Features a high-tension wire with a durable silicone boot designed to resist cracking and electrical \"arching\" against the engine cylinder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Fitment:\u003c\/strong\u003e Designed to the exact mounting specifications of the original factory module, facilitating a straightforward \"drop-in\" replacement without modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHusqvarna:\u003c\/strong\u003e 585836101, 545108101, 5451 08 101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomelite \/ Ryobi:\u003c\/strong\u003e 300953003, 300953001, 984883001, 984882001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther:\u003c\/strong\u003e 850108101\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis ignition coil is a universal replacement for several popular handheld blower platforms. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHusqvarna:\u003c\/strong\u003e 125B, 125BVX, 125BX (Standard and E-series models).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRyobi:\u003c\/strong\u003e Fits various 25cc and 26cc handheld blowers (e.g., RY08510, RY08544, RY08548).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomelite:\u003c\/strong\u003e Compatible with many 26cc \"Blower\/Vac\" models (e.g., UT08514, UT08544, UT08546).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Always verify your original coil's mounting hole spacing and wire orientation, as these models occasionally used different engine suppliers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Spark Condition:\u003c\/strong\u003e The most common failure; the engine will not start despite having fresh fuel and a clean spark plug.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStalling When Hot:\u003c\/strong\u003e The blower runs perfectly for 5–10 minutes but dies as the engine reaches operating temperature and won't restart until cooled (thermal failure).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMisfiring or \"Stuttering\":\u003c\/strong\u003e The engine hesitates at full throttle or has an inconsistent idle, indicating the coil is struggling to maintain a steady pulse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible Insulation Damage:\u003c\/strong\u003e The spark plug wire is frayed, melted, or showing signs of being chewed by rodents, leading to a grounded ignition circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Kill Switch Issues:\u003c\/strong\u003e If the engine refuses to shut off or dies unexpectedly, the kill switch terminal on the coil may be shorting internally.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Timing Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \"Business Card\" Gap:\u003c\/strong\u003e To ensure the strongest spark, the air gap between the coil legs and the flywheel magnets should be approximately 0.010\" to 0.012\". Use a standard business card as a gauge during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the Ground Path:\u003c\/strong\u003e Ensure the mounting surfaces on the engine block and the coil legs are free of rust and oil. The coil grounds through its mounting bolts; a weak ground equals a weak spark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKill Switch Wiring:\u003c\/strong\u003e Be careful when attaching the small spade terminal for the stop wire. If this wire is pinched against the metal housing, the engine will never start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Magnet Cleanup:\u003c\/strong\u003e While the starter cover is off, use a rag to wipe metal shavings or sap off the flywheel magnets to ensure the strongest possible magnetic induction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark Plug Health:\u003c\/strong\u003e It is highly recommended to install a fresh \u003cstrong\u003eNGK BPMR7A\u003c\/strong\u003e (or equivalent) spark plug when replacing the coil to ensure the new module isn't stressed by a fouled plug.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45369710477501,"sku":"AZ00203867","price":13.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00105956_1_52f0fab5-bc24-46bc-ad62-1b95ead9481d.jpg?v=1762246411"}],"url":"https:\/\/bluestarspartstrend.com\/collections\/leaf-blower-ignition-coil.oembed","provider":"BlueStars Parts","version":"1.0","type":"link"}