{"product_id":"yamaha-lower-unit-assembly-61u-45300-24-8d","title":"Yamaha Lower Unit Assembly - 61U-45300-24-8D","description":"\u003ch2 data-section-id=\"10si9ny\" data-start=\"0\" data-end=\"73\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3\" data-end=\"73\"\u003eYamaha\u003c\/strong\u003e - \u003cstrong data-start=\"3\" data-end=\"73\"\u003eLower Unit Assembly - Drivetrain System - 61U-45300-24-8D\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003chr data-start=\"75\" data-end=\"78\"\u003e\n\u003ch2 data-section-id=\"1i9hwo6\" data-start=\"80\" data-end=\"97\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"83\" data-end=\"95\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"98\" data-end=\"647\"\u003eIf your outboard’s been grinding, slipping, or just not running as smooth as it used to, swapping in a complete lower unit like this is often the cleanest fix. This assembly comes ready to handle the job of transferring power from the engine to the prop without the guesswork of piecing parts together. It’s the kind of component you rely on when you want your motor to shift clean and push steady, whether you’re cruising or getting on plane. Built for real-world use, it helps bring your outboard back to that solid, predictable feel on the water.\u003c\/p\u003e\n\u003chr data-start=\"649\" data-end=\"652\"\u003e\n\u003ch2 data-section-id=\"1bqk1w5\" data-start=\"654\" data-end=\"675\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"657\" data-end=\"673\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"677\" data-end=\"812\"\u003e• \u003cstrong data-start=\"679\" data-end=\"707\"\u003eComplete Assembly Design\u003c\/strong\u003e – Includes the essential internal components needed to restore lower unit function in one replacement.\u003c\/p\u003e\n\u003cp data-start=\"814\" data-end=\"914\"\u003e• \u003cstrong data-start=\"816\" data-end=\"841\"\u003eSmooth Power Transfer\u003c\/strong\u003e – Supports consistent propulsion and clean gear engagement under load.\u003c\/p\u003e\n\u003cp data-start=\"916\" data-end=\"1033\"\u003e• \u003cstrong data-start=\"918\" data-end=\"949\"\u003eDurable Marine Construction\u003c\/strong\u003e – Built to handle continuous exposure to water, pressure, and varying conditions.\u003c\/p\u003e\n\u003cp data-start=\"1035\" data-end=\"1152\"\u003e• \u003cstrong data-start=\"1037\" data-end=\"1063\"\u003eDirect Replacement Fit\u003c\/strong\u003e – Designed to match original Yamaha specifications for proper alignment and operation.\u003c\/p\u003e\n\u003chr data-start=\"1154\" data-end=\"1157\"\u003e\n\u003ch2 data-section-id=\"bf5ct7\" data-start=\"1159\" data-end=\"1195\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1162\" data-end=\"1193\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1196\" data-end=\"1368\"\u003eCompatible with select Yamaha outboard engines that require part number 61U-45300-24-8D. Always confirm fitment with your engine model and serial range before installation.\u003c\/p\u003e\n\u003chr data-start=\"1370\" data-end=\"1373\"\u003e\n\u003ch2 data-section-id=\"1fngur7\" data-start=\"1375\" data-end=\"1387\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1378\" data-end=\"1385\"\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1389\" data-end=\"1587\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1455\"\u003eQ: What are common signs that my lower unit needs replacement?\u003c\/strong\u003e\u003cbr data-start=\"1455\" data-end=\"1458\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1464\"\u003eA:\u003c\/strong\u003e Grinding noises, difficulty shifting, loss of power, or visible oil leaks from the lower unit are all strong indicators.\u003c\/p\u003e\n\u003cp data-start=\"1589\" data-end=\"1740\"\u003e\u003cstrong data-start=\"1589\" data-end=\"1642\"\u003eQ: Do I need to fill it with gear oil before use?\u003c\/strong\u003e\u003cbr data-start=\"1642\" data-end=\"1645\"\u003e\u003cstrong data-start=\"1645\" data-end=\"1651\"\u003eA:\u003c\/strong\u003e Yes, always check and fill with the correct marine gear oil before running the engine.\u003c\/p\u003e\n\u003cp data-start=\"1742\" data-end=\"1901\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1784\"\u003eQ: Is this suitable for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"1784\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1787\" data-end=\"1793\"\u003eA:\u003c\/strong\u003e It can handle saltwater conditions, but regular flushing and maintenance are key to long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"1903\" data-end=\"2118\"\u003e\u003cstrong data-start=\"1903\" data-end=\"1965\"\u003eQ: Can I install this myself or should I use a technician?\u003c\/strong\u003e\u003cbr data-start=\"1965\" data-end=\"1968\"\u003e\u003cstrong data-start=\"1968\" data-end=\"1974\"\u003eA:\u003c\/strong\u003e If you’re comfortable with outboard repairs and have the right tools, it’s doable, but many boaters prefer a technician for proper alignment.\u003c\/p\u003e\n\u003cp data-start=\"2120\" data-end=\"2295\"\u003e\u003cstrong data-start=\"2120\" data-end=\"2172\"\u003eQ: Will this fix vibration issues while running?\u003c\/strong\u003e\u003cbr data-start=\"2172\" data-end=\"2175\"\u003e\u003cstrong data-start=\"2175\" data-end=\"2181\"\u003eA:\u003c\/strong\u003e If the vibration is coming from worn internal gears or bearings, replacing the lower unit can often resolve it.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46939008074019,"sku":"61U-45300-24-8D","price":2130.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV223746.jpg?v=1698807344","url":"https:\/\/partsvu.com\/fr\/products\/yamaha-lower-unit-assembly-61u-45300-24-8d","provider":"PartsVu","version":"1.0","type":"link"}