{"product_id":"yamaha-gear-2-6j9-45571-02-00","title":"Yamaha - Gear 2 - 6J9-45571-02-00","description":"\u003ch2 data-section-id=\"1wimjee\" data-start=\"0\" data-end=\"70\"\u003eYamaha - Gear 2 - Lower Unit Drivetrain Component - 6J9-45571-02-00\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=\"511\"\u003eWhen gears start wearing down, you’ll usually hear it first—noise, rough engagement, or that uneasy feeling when shifting. This gear plays a key role in how power gets transferred through the lower unit, so it needs to be solid. I’ve worked on units where replacing a worn gear made everything feel tighter and quieter right away. It’s one of those internal parts that keeps the whole drivetrain working the way it should.\u003c\/p\u003e\n\u003chr data-start=\"513\" data-end=\"516\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"518\" data-end=\"533\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"534\" data-end=\"1022\"\u003e\n\u003cli data-section-id=\"139irl3\" data-start=\"534\" data-end=\"642\"\u003e\n\u003cstrong data-start=\"536\" data-end=\"567\"\u003ePrecision Gear Engagement –\u003c\/strong\u003e Designed for smooth interaction with mating gears inside the lower unit.\u003c\/li\u003e\n\u003cli data-section-id=\"1nc8vnn\" data-start=\"643\" data-end=\"732\"\u003e\n\u003cstrong data-start=\"645\" data-end=\"677\"\u003eHigh-Strength Construction –\u003c\/strong\u003e Built to handle constant load and rotational stress.\u003c\/li\u003e\n\u003cli data-section-id=\"1n6cru7\" data-start=\"733\" data-end=\"837\"\u003e\n\u003cstrong data-start=\"735\" data-end=\"765\"\u003eReduced Mechanical Noise –\u003c\/strong\u003e Helps maintain quiet and efficient operation when properly installed.\u003c\/li\u003e\n\u003cli data-section-id=\"1gnnp0k\" data-start=\"838\" data-end=\"931\"\u003e\n\u003cstrong data-start=\"840\" data-end=\"866\"\u003eFactory-Spec Fitment –\u003c\/strong\u003e Ensures correct alignment within Yamaha drivetrain assemblies.\u003c\/li\u003e\n\u003cli data-section-id=\"6oswit\" data-start=\"932\" data-end=\"1022\"\u003e\n\u003cstrong data-start=\"934\" data-end=\"961\"\u003eWear-Resistant Design –\u003c\/strong\u003e Engineered for long-term durability under marine conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1024\" data-end=\"1027\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"1029\" data-end=\"1059\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"1060\" data-end=\"1302\"\u003eDesigned for Yamaha outboard engines with compatible lower unit drivetrain systems. Commonly used across small to mid-range outboards on fishing boats, skiffs, and utility vessels. Always confirm part number compatibility before installation.\u003c\/p\u003e\n\u003chr data-start=\"1304\" data-end=\"1307\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1309\" data-end=\"1315\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1317\" data-end=\"1451\"\u003e\u003cstrong data-start=\"1317\" data-end=\"1361\"\u003eQ: What are signs this gear is worn out?\u003c\/strong\u003e\u003cbr data-start=\"1361\" data-end=\"1364\"\u003eA: Grinding noise, rough shifting, or vibration during operation are common indicators.\u003c\/p\u003e\n\u003cp data-start=\"1453\" data-end=\"1579\"\u003e\u003cstrong data-start=\"1453\" data-end=\"1493\"\u003eQ: Can this cause shifting problems?\u003c\/strong\u003e\u003cbr data-start=\"1493\" data-end=\"1496\"\u003eA: Yes, worn gears can prevent smooth engagement and lead to inconsistent shifting.\u003c\/p\u003e\n\u003cp data-start=\"1581\" data-end=\"1714\"\u003e\u003cstrong data-start=\"1581\" data-end=\"1624\"\u003eQ: Is replacing this gear a simple job?\u003c\/strong\u003e\u003cbr data-start=\"1624\" data-end=\"1627\"\u003eA: It usually requires lower unit disassembly, so it’s best done during a full service.\u003c\/p\u003e\n\u003cp data-start=\"1716\" data-end=\"1847\"\u003e\u003cstrong data-start=\"1716\" data-end=\"1769\"\u003eQ: Should I replace other gears at the same time?\u003c\/strong\u003e\u003cbr data-start=\"1769\" data-end=\"1772\"\u003eA: It’s recommended to inspect all related components to avoid uneven wear.\u003c\/p\u003e\n\u003cp data-start=\"1849\" data-end=\"1971\"\u003e\u003cstrong data-start=\"1849\" data-end=\"1888\"\u003eQ: What causes premature gear wear?\u003c\/strong\u003e\u003cbr data-start=\"1888\" data-end=\"1891\"\u003eA: Lack of lubrication, water intrusion, or heavy use can all shorten gear life.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46937016959267,"sku":"6J9-45571-02-00","price":239.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV255995.jpg?v=1698799840","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-gear-2-6j9-45571-02-00","provider":"PartsVu","version":"1.0","type":"link"}