{"product_id":"yamaha-lower-unit-assembly-f250-6p2-45300-51-8d-see-description-for-applicable-models","title":"Yamaha Lower Unit Assembly - F250 - 6P2-45300-51-8D - See Description For Applicable Models","description":"\u003ch2 data-section-id=\"13hnq95\" data-start=\"0\" data-end=\"70\"\u003eYamaha - Lower Unit Assembly - Gearcase Component - 6P2-45300-51-8D\u003c\/h2\u003e\n\u003chr data-start=\"72\" data-end=\"75\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"77\" data-end=\"88\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"89\" data-end=\"503\"\u003eOn an F250, the lower unit is where you really feel the condition of the motor once you’re underway. I’ve worked on boats where everything looked fine up top, but the gearcase was holding it back with noise or rough engagement. Swapping in a solid assembly like this brings back that smooth, confident feel when you shift and throttle up. It’s the kind of fix that makes the whole boat run the way it should again.\u003c\/p\u003e\n\u003chr data-start=\"505\" data-end=\"508\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"510\" data-end=\"525\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"526\" data-end=\"905\"\u003e• \u003cstrong data-start=\"528\" data-end=\"558\"\u003eComplete Gearcase Assembly\u003c\/strong\u003e – Provides a full replacement with matched internal components.\u003cbr data-start=\"622\" data-end=\"625\"\u003e• \u003cstrong data-start=\"627\" data-end=\"655\"\u003eEfficient Power Transfer\u003c\/strong\u003e – Delivers smooth and consistent output to the propeller.\u003cbr data-start=\"713\" data-end=\"716\"\u003e• \u003cstrong data-start=\"718\" data-end=\"739\"\u003eOEM Precision Fit\u003c\/strong\u003e – Built to Yamaha specifications for proper alignment and installation.\u003cbr data-start=\"811\" data-end=\"814\"\u003e• \u003cstrong data-start=\"816\" data-end=\"852\"\u003eCorrosion-Resistant Construction\u003c\/strong\u003e – Designed to withstand harsh marine environments.\u003c\/p\u003e\n\u003chr data-start=\"907\" data-end=\"910\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"912\" data-end=\"942\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"943\" data-end=\"1150\"\u003eDesigned for Yamaha F series outboard engines, including high-horsepower four stroke models. Commonly used across a range of Yamaha outboards where reliable propulsion and gearcase performance are essential.\u003c\/p\u003e\n\u003chr data-start=\"1152\" data-end=\"1155\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1157\" data-end=\"1163\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1165\" data-end=\"1289\"\u003e\u003cstrong data-start=\"1165\" data-end=\"1214\"\u003eQ: What are signs this lower unit is failing?\u003c\/strong\u003e\u003cbr data-start=\"1214\" data-end=\"1217\"\u003eA: Grinding noise, vibration, water in gear oil, or reduced performance.\u003c\/p\u003e\n\u003cp data-start=\"1291\" data-end=\"1405\"\u003e\u003cstrong data-start=\"1291\" data-end=\"1337\"\u003eQ: Has this part been updated or replaced?\u003c\/strong\u003e\u003cbr data-start=\"1337\" data-end=\"1340\"\u003eA: Yes, this assembly has been superseded by a newer Yamaha part.\u003c\/p\u003e\n\u003cp data-start=\"1407\" data-end=\"1526\"\u003e\u003cstrong data-start=\"1407\" data-end=\"1461\"\u003eQ: Is this a complete unit or internal parts only?\u003c\/strong\u003e\u003cbr data-start=\"1461\" data-end=\"1464\"\u003eA: It’s a complete lower unit assembly ready for installation.\u003c\/p\u003e\n\u003cp data-start=\"1528\" data-end=\"1640\"\u003e\u003cstrong data-start=\"1528\" data-end=\"1572\"\u003eQ: Do I need to add gear oil before use?\u003c\/strong\u003e\u003cbr data-start=\"1572\" data-end=\"1575\"\u003eA: Yes, always fill and check gear oil before running the engine.\u003c\/p\u003e\n\u003cp data-start=\"1642\" data-end=\"1758\"\u003e\u003cstrong data-start=\"1642\" data-end=\"1675\"\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003cbr data-start=\"1675\" data-end=\"1678\"\u003eA: It’s possible with experience, but proper alignment and torque are important.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46936889426211,"sku":"6P2-45300-51-8D","price":4763.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV258819.jpg?v=1698799193","url":"https:\/\/partsvu.com\/en-au\/products\/yamaha-lower-unit-assembly-f250-6p2-45300-51-8d-see-description-for-applicable-models","provider":"PartsVu","version":"1.0","type":"link"}