{"product_id":"yamaha-lower-unit-assembly-65j-45300-22-8d","title":"Yamaha Lower Unit Assembly - 65J-45300-22-8D","description":"\u003ch2 data-section-id=\"1xtrbfx\" data-start=\"0\" data-end=\"77\"\u003eYamaha - Lower Unit Assembly - Gearcase \u0026amp; Power Transfer - 65J-45300-22-8D\u003c\/h2\u003e\n\u003chr data-start=\"79\" data-end=\"82\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"84\" data-end=\"95\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"96\" data-end=\"585\"\u003eWhen a lower unit starts showing its age, you’ll feel it—whether it’s rough shifting, noise, or just not running as smooth as it used to. This Yamaha lower unit assembly is the kind of replacement that brings everything back into line, especially on motors that see regular use. I’ve swapped plenty of these, and the difference is immediate once you’re back on the water. It’s about getting that clean, solid engagement and dependable performance you expect every time you drop it in gear.\u003c\/p\u003e\n\u003chr data-start=\"587\" data-end=\"590\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"592\" data-end=\"607\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"608\" data-end=\"1004\"\u003e\n\u003cli data-section-id=\"19yrus5\" data-start=\"608\" data-end=\"715\"\u003e\n\u003cstrong data-start=\"610\" data-end=\"640\"\u003eComplete Gearcase Assembly\u003c\/strong\u003e – Includes internal gears and housing for a full lower unit replacement.\u003c\/li\u003e\n\u003cli data-section-id=\"5d1oy9\" data-start=\"716\" data-end=\"808\"\u003e\n\u003cstrong data-start=\"718\" data-end=\"743\"\u003eSmooth Power Transfer\u003c\/strong\u003e – Delivers consistent torque from the engine to the propeller.\u003c\/li\u003e\n\u003cli data-section-id=\"x8i0zi\" data-start=\"809\" data-end=\"911\"\u003e\n\u003cstrong data-start=\"811\" data-end=\"840\"\u003eCorrosion-Resistant Build\u003c\/strong\u003e – Designed to handle saltwater exposure and harsh marine conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"1rt2jyd\" data-start=\"912\" data-end=\"1004\"\u003e\n\u003cstrong data-start=\"914\" data-end=\"942\"\u003eReliable Gear Engagement\u003c\/strong\u003e – Provides clean shifting with reduced vibration and noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1006\" data-end=\"1009\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"1011\" data-end=\"1041\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"1042\" data-end=\"1246\"\u003eDesigned for Yamaha outboard engines that utilize this style of lower unit assembly. Commonly used on mid- to high-horsepower applications across offshore boats, center consoles, and recreational vessels.\u003c\/p\u003e\n\u003chr data-start=\"1248\" data-end=\"1251\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1253\" data-end=\"1259\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1261\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1261\" data-end=\"1315\"\u003eQ: What are signs that my lower unit is going bad?\u003c\/strong\u003e\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1324\"\u003eA:\u003c\/strong\u003e Grinding noise, hard shifting, water in the gear oil, or loss of propulsion are all common signs.\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1572\"\u003e\u003cstrong data-start=\"1424\" data-end=\"1479\"\u003eQ: Can I reuse my current propeller with this unit?\u003c\/strong\u003e\u003cbr data-start=\"1479\" data-end=\"1482\"\u003e\u003cstrong data-start=\"1482\" data-end=\"1488\"\u003eA:\u003c\/strong\u003e In most cases, yes, as long as the shaft size and spline match your existing setup.\u003c\/p\u003e\n\u003cp data-start=\"1574\" data-end=\"1702\"\u003e\u003cstrong data-start=\"1574\" data-end=\"1622\"\u003eQ: Does this unit come filled with gear oil?\u003c\/strong\u003e\u003cbr data-start=\"1622\" data-end=\"1625\"\u003e\u003cstrong data-start=\"1625\" data-end=\"1631\"\u003eA:\u003c\/strong\u003e Always check and fill with the correct gear oil before use to be safe.\u003c\/p\u003e\n\u003cp data-start=\"1704\" data-end=\"1863\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1759\"\u003eQ: How does saltwater affect lower units over time?\u003c\/strong\u003e\u003cbr data-start=\"1759\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1762\" data-end=\"1768\"\u003eA:\u003c\/strong\u003e Salt can cause corrosion and wear on seals, so regular flushing and maintenance are important.\u003c\/p\u003e\n\u003cp data-start=\"1865\" data-end=\"2024\"\u003e\u003cstrong data-start=\"1865\" data-end=\"1918\"\u003eQ: Is installation something I can handle myself?\u003c\/strong\u003e\u003cbr data-start=\"1918\" data-end=\"1921\"\u003e\u003cstrong data-start=\"1921\" data-end=\"1927\"\u003eA:\u003c\/strong\u003e If you’ve done lower unit work before, it’s manageable, but alignment and proper torque are key.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938664075555,"sku":"65J-45300-22-8D","price":5455.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV228324.jpg?v=1698806166","url":"https:\/\/partsvu.com\/en-mx\/products\/yamaha-lower-unit-assembly-65j-45300-22-8d","provider":"PartsVu","version":"1.0","type":"link"}