{"product_id":"yamaha-lower-unit-assembly-z200-64f-45300-02-8d-see-description-for-applicable-models","title":"Yamaha Lower Unit Assembly - Z200 - 64F-45300-02-8D - See Description for Applicable Models","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=\"ae26ac73-3213-4e97-a614-5b1c2f1f605d\" data-testid=\"conversation-turn-55\" 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-53a34e201181-45\" data-testid=\"conversation-turn-56\" 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=\"8feca735-2025-47b8-9c3c-c942a32f35d0\" 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=\"1qz8sw2\" data-start=\"0\" data-end=\"77\"\u003eYamaha - Lower Unit Assembly - Gearcase \u0026amp; Power Transfer - 64F-45300-02-8D\u003c\/h2\u003e\n\u003chr data-start=\"79\" data-end=\"82\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"84\" data-end=\"95\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"96\" data-end=\"498\"\u003eOn a Z200, the lower unit takes a beating, especially if you’re running it hard or spending long days on the water. When they start to wear out, you’ll feel it in the shift or hear it before anything else. I’ve swapped enough of these to know a fresh unit makes the whole motor feel tighter and more responsive. It’s one of those replacements that brings back confidence every time you drop it in gear.\u003c\/p\u003e\n\u003chr data-start=\"500\" data-end=\"503\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"505\" data-end=\"520\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"521\" data-end=\"903\"\u003e\n\u003cli data-section-id=\"19yrus5\" data-start=\"521\" data-end=\"628\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"553\"\u003eComplete Gearcase Assembly\u003c\/strong\u003e – Includes internal gears and housing for a full lower unit replacement.\u003c\/li\u003e\n\u003cli data-section-id=\"13q8tex\" data-start=\"629\" data-end=\"712\"\u003e\n\u003cstrong data-start=\"631\" data-end=\"656\"\u003eSmooth Power Transfer\u003c\/strong\u003e – Delivers consistent engine output to the propeller.\u003c\/li\u003e\n\u003cli data-section-id=\"1utd5jt\" data-start=\"713\" data-end=\"810\"\u003e\n\u003cstrong data-start=\"715\" data-end=\"742\"\u003eHeavy-Duty Construction\u003c\/strong\u003e – Built to handle high horsepower loads and demanding marine use.\u003c\/li\u003e\n\u003cli data-section-id=\"12sgrnp\" data-start=\"811\" data-end=\"903\"\u003e\n\u003cstrong data-start=\"813\" data-end=\"841\"\u003eReliable Gear Engagement\u003c\/strong\u003e – Provides clean shifting with reduced noise and vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"905\" data-end=\"908\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"910\" data-end=\"940\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"941\" data-end=\"1125\"\u003eFits Yamaha outboard engines in the 200 horsepower range, including performance-oriented setups. Commonly used on offshore boats, center consoles, and high-demand recreational vessels.\u003c\/p\u003e\n\u003chr data-start=\"1127\" data-end=\"1130\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1132\" data-end=\"1138\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1140\" data-end=\"1289\"\u003e\u003cstrong data-start=\"1140\" data-end=\"1189\"\u003eQ: What are signs my lower unit is going bad?\u003c\/strong\u003e\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e\u003cstrong data-start=\"1192\" data-end=\"1198\"\u003eA:\u003c\/strong\u003e Grinding noise, slipping gears, water in gear oil, or rough shifting are all common signs.\u003c\/p\u003e\n\u003cp data-start=\"1291\" data-end=\"1439\"\u003e\u003cstrong data-start=\"1291\" data-end=\"1360\"\u003eQ: Can I keep running my motor if the lower unit is making noise?\u003c\/strong\u003e\u003cbr data-start=\"1360\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1363\" data-end=\"1369\"\u003eA:\u003c\/strong\u003e It’s risky—damage can get worse quickly and lead to complete failure.\u003c\/p\u003e\n\u003cp data-start=\"1441\" data-end=\"1570\"\u003e\u003cstrong data-start=\"1441\" data-end=\"1498\"\u003eQ: Do I need to fill gear oil before using this unit?\u003c\/strong\u003e\u003cbr data-start=\"1498\" data-end=\"1501\"\u003e\u003cstrong data-start=\"1501\" data-end=\"1507\"\u003eA:\u003c\/strong\u003e Yes, always check and fill to the proper level before running.\u003c\/p\u003e\n\u003cp data-start=\"1572\" data-end=\"1738\"\u003e\u003cstrong data-start=\"1572\" data-end=\"1625\"\u003eQ: How does saltwater use affect this lower unit?\u003c\/strong\u003e\u003cbr data-start=\"1625\" data-end=\"1628\"\u003e\u003cstrong data-start=\"1628\" data-end=\"1634\"\u003eA:\u003c\/strong\u003e Salt can cause corrosion and wear over time, especially around seals, so regular flushing is important.\u003c\/p\u003e\n\u003cp data-start=\"1740\" data-end=\"1901\"\u003e\u003cstrong data-start=\"1740\" data-end=\"1797\"\u003eQ: Is this part still current or has it been updated?\u003c\/strong\u003e\u003cbr data-start=\"1797\" data-end=\"1800\"\u003e\u003cstrong data-start=\"1800\" data-end=\"1806\"\u003eA:\u003c\/strong\u003e This assembly has been superseded by part number 64F-45300-03-8D, which is the latest version.\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":46938695237923,"sku":"64F-45300-02-8D","price":1460.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV227671.jpg?v=1698806302","url":"https:\/\/partsvu.com\/en-mx\/products\/yamaha-lower-unit-assembly-z200-64f-45300-02-8d-see-description-for-applicable-models","provider":"PartsVu","version":"1.0","type":"link"}