{"product_id":"yamaha-gear-66t-45560-01-00","title":"Yamaha - Gear - 66T-45560-01-00","description":"\u003ch2 data-section-id=\"n6k5q2\" data-start=\"0\" data-end=\"57\"\u003eYamaha - Gear - Lower Unit Component - 66T-45560-01-00\u003c\/h2\u003e\n\u003chr data-start=\"59\" data-end=\"62\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"64\" data-end=\"75\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"76\" data-end=\"490\"\u003eWhen you’re dealing with the lower unit, gears are where the real work happens. This is what transfers power from the engine down to the prop, and if something’s off here, you’ll feel it right away. I’ve torn down units where worn gears caused noise, slipping, or rough shifting—it doesn’t take much. Keeping a solid gear in place is key to making sure your motor runs smooth and puts power down the way it should.\u003c\/p\u003e\n\u003chr data-start=\"492\" data-end=\"495\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"497\" data-end=\"512\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"513\" data-end=\"977\"\u003e\n\u003cli data-section-id=\"11w25am\" data-start=\"513\" data-end=\"606\"\u003e\n\u003cstrong data-start=\"515\" data-end=\"545\"\u003ePower Transfer Performance\u003c\/strong\u003e – Helps deliver engine power efficiently to the propeller.\u003c\/li\u003e\n\u003cli data-section-id=\"79x6c0\" data-start=\"607\" data-end=\"685\"\u003e\n\u003cstrong data-start=\"609\" data-end=\"632\"\u003ePrecision Cut Teeth\u003c\/strong\u003e – Designed for smooth engagement and reduced wear.\u003c\/li\u003e\n\u003cli data-section-id=\"ady2bo\" data-start=\"686\" data-end=\"778\"\u003e\n\u003cstrong data-start=\"688\" data-end=\"718\"\u003eHigh-Strength Construction\u003c\/strong\u003e – Built to handle load, torque, and continuous operation.\u003c\/li\u003e\n\u003cli data-section-id=\"t28a1e\" data-start=\"779\" data-end=\"880\"\u003e\n\u003cstrong data-start=\"781\" data-end=\"807\"\u003eDirect Fit Replacement\u003c\/strong\u003e – Matches Yamaha specifications for proper installation and alignment.\u003c\/li\u003e\n\u003cli data-section-id=\"e2kj9e\" data-start=\"881\" data-end=\"977\"\u003e\n\u003cstrong data-start=\"883\" data-end=\"912\"\u003eSupports Smooth Operation\u003c\/strong\u003e – Helps maintain reliable shifting and drivetrain performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"979\" data-end=\"982\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"984\" data-end=\"1014\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cul data-start=\"1015\" data-end=\"1267\"\u003e\n\u003cli data-section-id=\"lxiose\" data-start=\"1015\" data-end=\"1084\"\u003eDesigned for Yamaha outboard engines with gear-driven lower units\u003c\/li\u003e\n\u003cli data-section-id=\"8z5sr1\" data-start=\"1085\" data-end=\"1152\"\u003eCompatible with a range of small to mid-range horsepower models\u003c\/li\u003e\n\u003cli data-section-id=\"m8imu3\" data-start=\"1153\" data-end=\"1203\"\u003eSuitable for both freshwater and saltwater use\u003c\/li\u003e\n\u003cli data-section-id=\"1jweu3v\" data-start=\"1204\" data-end=\"1267\"\u003eCommonly used in lower unit repair and rebuild applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1269\" data-end=\"1272\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1274\" data-end=\"1280\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1282\" data-end=\"1425\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1334\"\u003eQ: What are the signs of a worn or damaged gear?\u003c\/strong\u003e\u003cbr data-start=\"1334\" data-end=\"1337\"\u003eA: Grinding noise, slipping under load, or rough shifting are common signs of gear wear.\u003c\/p\u003e\n\u003cp data-start=\"1427\" data-end=\"1587\"\u003e\u003cstrong data-start=\"1427\" data-end=\"1488\"\u003eQ: Can I replace just one gear or should I replace a set?\u003c\/strong\u003e\u003cbr data-start=\"1488\" data-end=\"1491\"\u003eA: It’s often best to inspect the full gear set and replace matching components if there’s wear.\u003c\/p\u003e\n\u003cp data-start=\"1589\" data-end=\"1727\"\u003e\u003cstrong data-start=\"1589\" data-end=\"1638\"\u003eQ: What causes gear damage in the lower unit?\u003c\/strong\u003e\u003cbr data-start=\"1638\" data-end=\"1641\"\u003eA: Lack of lubrication, water intrusion, or impact with debris can all lead to damage.\u003c\/p\u003e\n\u003cp data-start=\"1729\" data-end=\"1866\"\u003e\u003cstrong data-start=\"1729\" data-end=\"1780\"\u003eQ: Is this a difficult repair to handle myself?\u003c\/strong\u003e\u003cbr data-start=\"1780\" data-end=\"1783\"\u003eA: Gear work can be complex, so it’s usually recommended for experienced mechanics.\u003c\/p\u003e\n\u003cp data-start=\"1868\" data-end=\"2005\"\u003e\u003cstrong data-start=\"1868\" data-end=\"1916\"\u003eQ: Does saltwater use affect internal gears?\u003c\/strong\u003e\u003cbr data-start=\"1916\" data-end=\"1919\"\u003eA: Indirectly—proper sealing and gear oil maintenance are key to preventing corrosion.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938501873955,"sku":"66T-45560-01-00","price":212.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV230870.jpg?v=1698805685","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-gear-66t-45560-01-00","provider":"PartsVu","version":"1.0","type":"link"}