{"product_id":"gear-1-assy-646-45560-00-00","title":"GEAR 1 ASSY - 646-45560-00-00","description":"\u003cp\u003eThis product has been superseded by: 6GD-G5560-01-00\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"j9fy5z\" data-start=\"0\" data-end=\"68\"\u003eYamaha - Lower Unit Gear - Drivetrain Component - 646-45560-00-00\u003c\/h2\u003e\n\u003chr data-start=\"70\" data-end=\"73\"\u003e\n\u003ch2 data-section-id=\"6lznae\" data-start=\"75\" data-end=\"88\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"89\" data-end=\"496\"\u003eWhen you’re dealing with lower unit issues, worn or damaged gears are usually at the center of it. This Yamaha gear is built to handle the load of transferring engine power down to the prop, and when it starts to wear, you’ll hear it and feel it. Grinding, slipping, or inconsistent performance are all signs something isn’t right. Replacing it helps bring the drivetrain back to smooth, reliable operation.\u003c\/p\u003e\n\u003chr data-start=\"498\" data-end=\"501\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"503\" data-end=\"520\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"522\" data-end=\"614\"\u003e• \u003cstrong data-start=\"524\" data-end=\"551\"\u003ePower Transmission Gear\u003c\/strong\u003e – Transfers engine power efficiently through the lower unit.\u003c\/p\u003e\n\u003cp data-start=\"616\" data-end=\"698\"\u003e• \u003cstrong data-start=\"618\" data-end=\"644\"\u003eSmooth Gear Engagement\u003c\/strong\u003e – Helps maintain consistent shifting and operation.\u003c\/p\u003e\n\u003cp data-start=\"700\" data-end=\"797\"\u003e• \u003cstrong data-start=\"702\" data-end=\"724\"\u003eOEM Yamaha Fitment\u003c\/strong\u003e – Built to factory specifications for proper alignment and durability.\u003c\/p\u003e\n\u003cp data-start=\"799\" data-end=\"888\"\u003e• \u003cstrong data-start=\"801\" data-end=\"831\"\u003eHardened Gear Construction\u003c\/strong\u003e – Designed to withstand load, wear, and long-term use.\u003c\/p\u003e\n\u003chr data-start=\"890\" data-end=\"893\"\u003e\n\u003ch2 data-section-id=\"1b7w7ff\" data-start=\"895\" data-end=\"927\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"929\" data-end=\"1042\"\u003e• Compatible with select Yamaha outboards that utilize this lower unit gear (confirm fitment by model and year)\u003c\/p\u003e\n\u003chr data-start=\"1044\" data-end=\"1047\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1049\" data-end=\"1057\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1059\" data-end=\"1177\"\u003e\u003cstrong data-start=\"1059\" data-end=\"1096\"\u003eQ: What are signs of a worn gear?\u003c\/strong\u003e\u003cbr data-start=\"1096\" data-end=\"1099\"\u003eA: Grinding noise, slipping, or rough operation in gear are common indicators.\u003c\/p\u003e\n\u003cp data-start=\"1179\" data-end=\"1320\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1224\"\u003eQ: Can a damaged gear affect performance?\u003c\/strong\u003e\u003cbr data-start=\"1224\" data-end=\"1227\"\u003eA: Yes, it can lead to poor power transfer and possible further damage inside the lower unit.\u003c\/p\u003e\n\u003cp data-start=\"1322\" data-end=\"1454\"\u003e\u003cstrong data-start=\"1322\" data-end=\"1380\"\u003eQ: Should I replace other components at the same time?\u003c\/strong\u003e\u003cbr data-start=\"1380\" data-end=\"1383\"\u003eA: It’s a good idea to inspect bearings and seals when servicing gears.\u003c\/p\u003e\n\u003cp data-start=\"1456\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1493\"\u003eQ: Is this a high-wear component?\u003c\/strong\u003e\u003cbr data-start=\"1493\" data-end=\"1496\"\u003eA: It can be, especially under heavy use or if gear oil maintenance is neglected.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938730791203,"sku":"646-45560-00-00","price":101.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV226994.jpg?v=1698806446","url":"https:\/\/partsvu.com\/en-mx\/products\/gear-1-assy-646-45560-00-00","provider":"PartsVu","version":"1.0","type":"link"}