{"product_id":"yamaha-lower-unit-assembly-64j-45300-32-8d","title":"Yamaha Lower Unit Assembly - 64J-45300-32-8D","description":"\u003ch2 data-section-id=\"jq51al\" data-start=\"0\" data-end=\"77\"\u003eYamaha - Lower Unit Assembly - Gearcase \u0026amp; Power Transfer - 64J-45300-32-8D\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=\"571\"\u003eWhen a lower unit starts getting loud or shifting rough, it’s usually a sign the internals are worn past the point of a quick fix. This Yamaha lower unit assembly is what I go with when it’s time to bring the motor back to solid, dependable operation. Once it’s installed, you can feel the difference right away—clean engagement, smoother running, and no second-guessing when you put it in gear. It’s the kind of replacement that gives you confidence every time you head out.\u003c\/p\u003e\n\u003chr data-start=\"573\" data-end=\"576\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"578\" data-end=\"593\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"594\" data-end=\"1000\"\u003e\n\u003cli data-section-id=\"msjns6\" data-start=\"594\" data-end=\"703\"\u003e\n\u003cstrong data-start=\"596\" data-end=\"626\"\u003eComplete Gearcase Assembly\u003c\/strong\u003e – Includes internal gearing and housing for a full lower unit replacement.\u003c\/li\u003e\n\u003cli data-section-id=\"13vp42r\" data-start=\"704\" data-end=\"797\"\u003e\n\u003cstrong data-start=\"706\" data-end=\"731\"\u003eSmooth Power Transfer\u003c\/strong\u003e – Ensures consistent delivery of engine power to the propeller.\u003c\/li\u003e\n\u003cli data-section-id=\"wvflmr\" data-start=\"798\" data-end=\"897\"\u003e\n\u003cstrong data-start=\"800\" data-end=\"836\"\u003eCorrosion-Resistant Construction\u003c\/strong\u003e – Built to handle saltwater exposure and harsh marine use.\u003c\/li\u003e\n\u003cli data-section-id=\"1bs44cw\" data-start=\"898\" data-end=\"1000\"\u003e\n\u003cstrong data-start=\"900\" data-end=\"931\"\u003eReliable Shifting Operation\u003c\/strong\u003e – Provides clean gear engagement with reduced noise and vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1002\" data-end=\"1005\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"1007\" data-end=\"1037\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"1038\" data-end=\"1236\"\u003eDesigned for Yamaha outboard engines that utilize this style of lower unit assembly. Commonly used on mid- to high-horsepower applications across offshore boats, bay boats, and recreational vessels.\u003c\/p\u003e\n\u003chr data-start=\"1238\" data-end=\"1241\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1243\" data-end=\"1249\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1251\" data-end=\"1426\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1312\"\u003eQ: What are the signs my lower unit needs to be replaced?\u003c\/strong\u003e\u003cbr data-start=\"1312\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1315\" data-end=\"1321\"\u003eA:\u003c\/strong\u003e Grinding noise, slipping gears, water in the gear oil, or difficulty shifting are all strong indicators.\u003c\/p\u003e\n\u003cp data-start=\"1428\" data-end=\"1573\"\u003e\u003cstrong data-start=\"1428\" data-end=\"1484\"\u003eQ: Can I continue running with a damaged lower unit?\u003c\/strong\u003e\u003cbr data-start=\"1484\" data-end=\"1487\"\u003e\u003cstrong data-start=\"1487\" data-end=\"1493\"\u003eA:\u003c\/strong\u003e It’s not recommended—damage can get worse quickly and lead to complete failure.\u003c\/p\u003e\n\u003cp data-start=\"1575\" data-end=\"1753\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1642\"\u003eQ: Do I need to check anything before running a new lower unit?\u003c\/strong\u003e\u003cbr data-start=\"1642\" data-end=\"1645\"\u003e\u003cstrong data-start=\"1645\" data-end=\"1651\"\u003eA:\u003c\/strong\u003e Always verify gear oil level and make sure everything is properly installed before hitting the water.\u003c\/p\u003e\n\u003cp data-start=\"1755\" data-end=\"1916\"\u003e\u003cstrong data-start=\"1755\" data-end=\"1808\"\u003eQ: How does saltwater impact lower unit lifespan?\u003c\/strong\u003e\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e\u003cstrong data-start=\"1811\" data-end=\"1817\"\u003eA:\u003c\/strong\u003e Salt can accelerate corrosion, especially around seals and housing, so regular maintenance is key.\u003c\/p\u003e\n\u003cp data-start=\"1918\" data-end=\"2079\"\u003e\u003cstrong data-start=\"1918\" data-end=\"1975\"\u003eQ: Is this part still current or has it been updated?\u003c\/strong\u003e\u003cbr data-start=\"1975\" data-end=\"1978\"\u003e\u003cstrong data-start=\"1978\" data-end=\"1984\"\u003eA:\u003c\/strong\u003e This assembly has been superseded by part number 64J-45300-33-8D, which is the latest version.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938690650403,"sku":"64J-45300-32-8D","price":2341.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV227777.jpg?v=1698806281","url":"https:\/\/partsvu.com\/en-au\/products\/yamaha-lower-unit-assembly-64j-45300-32-8d","provider":"PartsVu","version":"1.0","type":"link"}