{"product_id":"0581543-brp-flywheel-genuine-used-part","title":"0581543 BRP Flywheel | Genuine Used Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine OMC Evinrude Johnson 40HP to 60HP Three-Cylinder Flywheel Assembly - Part Number: 0581543\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine used OMC flywheel assembly for selected late-1970s Evinrude and Johnson three-cylinder outboards.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The flywheel is most commonly documented on 55HP engines but also appears in replacement-market application data for selected 40HP to 60HP engines from the same ignition family.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n It carries the starter ring gear and internal magnets required by the engine's electric-start, ignition and charging systems.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine OMC Evinrude Johnson OEM flywheel\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct part number 0581543\n\u003c\/p\u003e\n\u003cp\u003e\n • Unprefixed part reference 581543\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on selected late-1970s three-cylinder engines\n\u003c\/p\u003e\n\u003cp\u003e\n • Integrated electric-start ring gear\n\u003c\/p\u003e\n\u003cp\u003e\n • Internal permanent-magnet rotor\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct taper and keyway for compatible crankshafts\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 0581543 documented service reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 581543 unprefixed OMC reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 0581543\n\u003c\/p\u003e\n\u003cp\u003e\n • 581543\n\u003c\/p\u003e\n\u003cp\u003e\n • 0581537 \/ 581537 related flywheel reference appearing in replacement listings\n\u003c\/p\u003e\n\u003cp\u003e\n • Related stator, timer-base, flywheel-key and flywheel-nut references\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • LC Powersports inspected replacement inventory SKU: 8397\n\u003c\/p\u003e\n\u003cp\u003e\n • Outboard Exchange replacement reference: 581543\n\u003c\/p\u003e\n\u003cp\u003e\n • Direct used replacement references: 0581543 and 581543\n\u003c\/p\u003e\n\u003cp\u003e\n • Some replacement listings cross-search 581537; physical stamping and ignition configuration must be checked before interchange\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Documented applications include:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 1977 Evinrude 55HP - model 55E77D\n\u003c\/p\u003e\n\u003cp\u003e\n • 1979 Johnson 55HP Seahorse - model 55EL79\n\u003c\/p\u003e\n\u003cp\u003e\n • Selected 1976-1979 40HP to 60HP three-cylinder outboards using flywheel 581543\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Primary HP Application: 55HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Broader Documented Range: Approximately 40HP - 60HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: OMC Evinrude Johnson three-cylinder carburetted two-stroke outboard\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Approximately 1976 - 1979\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The flywheel supplies rotational inertia, engages with the starter motor and rotates its permanent magnets around the stator to produce ignition and charging voltage.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Starter-ring teeth are worn or missing\n\u003c\/p\u003e\n\u003cp\u003e\n • Starter pinion does not engage correctly\n\u003c\/p\u003e\n\u003cp\u003e\n • Flywheel taper is scored or fretted\n\u003c\/p\u003e\n\u003cp\u003e\n • Keyway is damaged\n\u003c\/p\u003e\n\u003cp\u003e\n • Magnets are loose or heavily corroded\n\u003c\/p\u003e\n\u003cp\u003e\n • Charging output is low or inconsistent\n\u003c\/p\u003e\n\u003cp\u003e\n • Ignition performance becomes erratic\n\u003c\/p\u003e\n\u003cp\u003e\n • Flywheel has cracks, impact marks or distortion\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Used-part inspection points:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Compare the stamped number with the original flywheel\n\u003c\/p\u003e\n\u003cp\u003e\n • Inspect the complete ring gear\n\u003c\/p\u003e\n\u003cp\u003e\n • Check the crankshaft taper and keyway\n\u003c\/p\u003e\n\u003cp\u003e\n • Confirm the internal magnet arrangement\n\u003c\/p\u003e\n\u003cp\u003e\n • Do not interchange solely by horsepower\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine OMC used part\n\u003c\/p\u003e\n\u003cp\u003e\n • Previously fitted and may show normal age-related marks, paint loss or oxidation\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied as pictured\n\u003c\/p\u003e\n\u003cp\u003e\n • Confirm the stamped flywheel number and ignition-system compatibility before installation\n\u003c\/p\u003e\n","brand":"Sawley's Auto and Marine","offers":[{"title":"Default Title","offer_id":53388341510436,"sku":"181069B","price":50.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_4a0ad151-a621-4806-aa38-6aa42193e221.jpg?v=1777433538","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/0581543-brp-flywheel-genuine-used-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}