{"product_id":"yamaha-gear-63p-45571-01-00","title":"Yamaha - Gear - 63P-45571-01-00","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"13b9cb7c-0e46-4e70-9561-d4f720b4b407\" data-testid=\"conversation-turn-137\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:e012fad7-3550-49cf-9e4a-53a34e201181-86\" data-testid=\"conversation-turn-138\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8090d718-0df4-4b37-9b69-2a3a9efaf46e\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"10azioa\" data-start=\"0\" data-end=\"62\"\u003eYamaha - Gear - Lower Unit Gear Component - 63P-45571-01-00\u003c\/h2\u003e\n\u003chr data-start=\"64\" data-end=\"67\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"69\" data-end=\"80\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"81\" data-end=\"470\"\u003eWhen you’re working inside a Yamaha lower unit, the gears are where everything has to be right or nothing works smoothly. I’ve seen a single worn gear cause noise, rough shifting, and eventually bigger failures if it’s left alone. This is one of those parts that takes constant load every time you’re on the throttle. When it’s in good shape, everything runs quiet, smooth, and dependable.\u003c\/p\u003e\n\u003chr data-start=\"472\" data-end=\"475\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"477\" data-end=\"492\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"493\" data-end=\"838\"\u003e\n\u003cli data-section-id=\"1bu6017\" data-start=\"493\" data-end=\"584\"\u003e\n\u003cstrong data-start=\"495\" data-end=\"519\"\u003ePrecision Gear Teeth\u003c\/strong\u003e – Designed for smooth engagement and efficient power transfer.\u003c\/li\u003e\n\u003cli data-section-id=\"aak09a\" data-start=\"585\" data-end=\"671\"\u003e\n\u003cstrong data-start=\"587\" data-end=\"602\"\u003eOEM Fitment\u003c\/strong\u003e – Built to Yamaha specifications for exact gearcase compatibility.\u003c\/li\u003e\n\u003cli data-section-id=\"1g1vquj\" data-start=\"672\" data-end=\"748\"\u003e\n\u003cstrong data-start=\"674\" data-end=\"696\"\u003eHigh-Load Strength\u003c\/strong\u003e – Handles torque and continuous marine operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1lol02f\" data-start=\"749\" data-end=\"838\"\u003e\n\u003cstrong data-start=\"751\" data-end=\"777\"\u003eConsistent Performance\u003c\/strong\u003e – Helps maintain smooth and reliable lower unit operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"840\" data-end=\"843\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"845\" data-end=\"875\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"876\" data-end=\"1060\"\u003eFits Yamaha outboard engines equipped with compatible lower unit gearcases. Commonly used on mid-range horsepower outboards across center consoles, bay boats, and recreational vessels.\u003c\/p\u003e\n\u003chr data-start=\"1062\" data-end=\"1065\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1067\" data-end=\"1073\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1075\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1119\"\u003eQ: What are signs this gear is worn out?\u003c\/strong\u003e\u003cbr data-start=\"1119\" data-end=\"1122\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1128\"\u003eA:\u003c\/strong\u003e Grinding noise, vibration, or slipping under load are common indicators.\u003c\/p\u003e\n\u003cp data-start=\"1203\" data-end=\"1332\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1252\"\u003eQ: Can one worn gear affect other components?\u003c\/strong\u003e\u003cbr data-start=\"1252\" data-end=\"1255\"\u003e\u003cstrong data-start=\"1255\" data-end=\"1261\"\u003eA:\u003c\/strong\u003e Yes, it can cause uneven wear and damage to other gears in the system.\u003c\/p\u003e\n\u003cp data-start=\"1334\" data-end=\"1461\"\u003e\u003cstrong data-start=\"1334\" data-end=\"1375\"\u003eQ: Should gears be replaced together?\u003c\/strong\u003e\u003cbr data-start=\"1375\" data-end=\"1378\"\u003e\u003cstrong data-start=\"1378\" data-end=\"1384\"\u003eA:\u003c\/strong\u003e In many cases, yes—it helps ensure proper meshing and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"1463\" data-end=\"1592\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1512\"\u003eQ: How does water intrusion affect this gear?\u003c\/strong\u003e\u003cbr data-start=\"1512\" data-end=\"1515\"\u003e\u003cstrong data-start=\"1515\" data-end=\"1521\"\u003eA:\u003c\/strong\u003e It can cause corrosion and reduce lubrication, leading to faster wear.\u003c\/p\u003e\n\u003cp data-start=\"1594\" data-end=\"1715\"\u003e\u003cstrong data-start=\"1594\" data-end=\"1627\"\u003eQ: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"1627\" data-end=\"1630\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1636\"\u003eA:\u003c\/strong\u003e It requires proper setup inside the gearcase, typically done during a rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938801471779,"sku":"63P-45571-01-00","price":320.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV226332.jpg?v=1698806652","url":"https:\/\/partsvu.com\/en-mx\/products\/yamaha-gear-63p-45571-01-00","provider":"PartsVu","version":"1.0","type":"link"}