{"product_id":"yamaha-lower-unit-assembly-63v-45300-30-4d","title":"Yamaha Lower Unit Assembly - 63V-45300-30-4D","description":"\u003ch2 data-section-id=\"pokzws\" data-start=\"0\" data-end=\"72\"\u003eYamaha - Lower Unit Assembly - Drivetrain Component - 63V-45300-30-4D\u003c\/h2\u003e\n\u003chr data-start=\"74\" data-end=\"77\"\u003e\n\u003ch2 data-section-id=\"6lznae\" data-start=\"79\" data-end=\"92\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"93\" data-end=\"523\"\u003eWhen a lower unit starts to wear out, it doesn’t take long before you notice—rough shifting, vibration, or power not transferring clean to the prop. This Yamaha lower unit assembly is built to bring everything back to smooth, dependable operation. It’s designed to line up properly and handle the load without constant issues. Once installed, you’ll feel a big difference in how the motor shifts and how steady it runs under load.\u003c\/p\u003e\n\u003chr data-start=\"525\" data-end=\"528\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"530\" data-end=\"547\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"549\" data-end=\"637\"\u003e• \u003cstrong data-start=\"551\" data-end=\"576\"\u003eSmooth Power Transfer\u003c\/strong\u003e – Delivers consistent propulsion from engine to propeller.\u003c\/p\u003e\n\u003cp data-start=\"639\" data-end=\"739\"\u003e• \u003cstrong data-start=\"641\" data-end=\"663\"\u003eOEM Yamaha Fitment\u003c\/strong\u003e – Built to factory specifications for precise alignment and installation.\u003c\/p\u003e\n\u003cp data-start=\"741\" data-end=\"835\"\u003e• \u003cstrong data-start=\"743\" data-end=\"773\"\u003eHeavy-Duty Gearcase Design\u003c\/strong\u003e – Designed to handle demanding marine use and engine loads.\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"935\"\u003e• \u003cstrong data-start=\"839\" data-end=\"875\"\u003eCorrosion-Resistant Construction\u003c\/strong\u003e – Holds up in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003chr data-start=\"937\" data-end=\"940\"\u003e\n\u003ch2 data-section-id=\"1b7w7ff\" data-start=\"942\" data-end=\"974\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"976\" data-end=\"1055\"\u003e• Compatible with select Yamaha outboards (confirm fitment by model and year)\u003c\/p\u003e\n\u003chr data-start=\"1057\" data-end=\"1060\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1062\" data-end=\"1070\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1072\" data-end=\"1222\"\u003e\u003cstrong data-start=\"1072\" data-end=\"1127\"\u003eQ: What are signs the lower unit needs replacement?\u003c\/strong\u003e\u003cbr data-start=\"1127\" data-end=\"1130\"\u003eA: Grinding noise, slipping gears, or water contamination in gear oil are common indicators.\u003c\/p\u003e\n\u003cp data-start=\"1224\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1224\" data-end=\"1269\"\u003eQ: Can I rebuild instead of replacing it?\u003c\/strong\u003e\u003cbr data-start=\"1269\" data-end=\"1272\"\u003eA: Minor wear can be repaired, but major internal damage usually requires full replacement.\u003c\/p\u003e\n\u003cp data-start=\"1365\" data-end=\"1502\"\u003e\u003cstrong data-start=\"1365\" data-end=\"1413\"\u003eQ: Will this improve performance right away?\u003c\/strong\u003e\u003cbr data-start=\"1413\" data-end=\"1416\"\u003eA: Yes, smoother shifting and better power delivery are noticeable after installation.\u003c\/p\u003e\n\u003cp data-start=\"1504\" data-end=\"1625\"\u003e\u003cstrong data-start=\"1504\" data-end=\"1546\"\u003eQ: Is this suitable for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"1546\" data-end=\"1549\"\u003eA: Yes, with proper flushing and maintenance, it performs well in saltwater.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938766115107,"sku":"63V-45300-30-4D","price":989.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV226785.jpg?v=1698806551","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-lower-unit-assembly-63v-45300-30-4d","provider":"PartsVu","version":"1.0","type":"link"}