{"product_id":"yamaha-carburetor-assy-4-64j-14904-01-00","title":"Yamaha - Carburetor assy 4 - 64J-14904-01-00","description":"\u003ch2 data-section-id=\"u2in6v\" data-start=\"0\" data-end=\"74\"\u003eYamaha - Carburetor Assembly 4 - Fuel Delivery System - 64J-14904-01-00\u003c\/h2\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"81\" data-end=\"92\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"93\" data-end=\"518\"\u003eWhen you’ve got a multi-carb Yamaha and one starts acting up, you feel it right away—rough idle, uneven power, or hesitation on throttle. I’ve seen plenty of times where cleaning isn’t enough, and swapping in a fresh carb is the only real fix. This assembly brings everything back into balance so the engine runs smooth across the whole range. Once it’s dialed in, you’ll notice the difference the first time you throttle up.\u003c\/p\u003e\n\u003chr data-start=\"520\" data-end=\"523\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"525\" data-end=\"540\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"541\" data-end=\"930\"\u003e\n\u003cli data-section-id=\"1pftqhy\" data-start=\"541\" data-end=\"648\"\u003e\n\u003cstrong data-start=\"543\" data-end=\"575\"\u003eComplete Carburetor Assembly\u003c\/strong\u003e – Includes all internal components for a full fuel system replacement.\u003c\/li\u003e\n\u003cli data-section-id=\"dbp2h3\" data-start=\"649\" data-end=\"744\"\u003e\n\u003cstrong data-start=\"651\" data-end=\"685\"\u003eFactory-Calibrated Performance\u003c\/strong\u003e – Delivers proper fuel-air mixture right out of the box.\u003c\/li\u003e\n\u003cli data-section-id=\"16a3swg\" data-start=\"745\" data-end=\"831\"\u003e\n\u003cstrong data-start=\"747\" data-end=\"775\"\u003eSmooth Throttle Response\u003c\/strong\u003e – Helps eliminate hesitation and uneven acceleration.\u003c\/li\u003e\n\u003cli data-section-id=\"u2huxd\" data-start=\"832\" data-end=\"930\"\u003e\n\u003cstrong data-start=\"834\" data-end=\"865\"\u003eDurable Marine Construction\u003c\/strong\u003e – Built to handle fuel exposure and harsh on-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"932\" data-end=\"935\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"937\" data-end=\"967\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"968\" data-end=\"1188\"\u003eFits Yamaha outboard engines equipped with multi-carburetor systems requiring a fourth carburetor assembly. Commonly used on mid-range horsepower outboards across fishing boats, center consoles, and recreational vessels.\u003c\/p\u003e\n\u003chr data-start=\"1190\" data-end=\"1193\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1195\" data-end=\"1201\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1203\" data-end=\"1360\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1257\"\u003eQ: What are signs this carburetor needs replacing?\u003c\/strong\u003e\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e\u003cstrong data-start=\"1260\" data-end=\"1266\"\u003eA:\u003c\/strong\u003e Rough idle, poor throttle response, fuel leaks, or inconsistent performance are common signs.\u003c\/p\u003e\n\u003cp data-start=\"1362\" data-end=\"1508\"\u003e\u003cstrong data-start=\"1362\" data-end=\"1415\"\u003eQ: Do I need to sync carbs after installing this?\u003c\/strong\u003e\u003cbr data-start=\"1415\" data-end=\"1418\"\u003e\u003cstrong data-start=\"1418\" data-end=\"1424\"\u003eA:\u003c\/strong\u003e Yes, syncing is important to make sure all carburetors are working evenly together.\u003c\/p\u003e\n\u003cp data-start=\"1510\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1510\" data-end=\"1574\"\u003eQ: Can I replace just one carburetor instead of all of them?\u003c\/strong\u003e\u003cbr data-start=\"1574\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1577\" data-end=\"1583\"\u003eA:\u003c\/strong\u003e You can, but performance is best when all carbs are in similar condition.\u003c\/p\u003e\n\u003cp data-start=\"1659\" data-end=\"1777\"\u003e\u003cstrong data-start=\"1659\" data-end=\"1703\"\u003eQ: How does old fuel affect carburetors?\u003c\/strong\u003e\u003cbr data-start=\"1703\" data-end=\"1706\"\u003e\u003cstrong data-start=\"1706\" data-end=\"1712\"\u003eA:\u003c\/strong\u003e It can gum up passages and cause sticking or poor fuel delivery.\u003c\/p\u003e\n\u003cp data-start=\"1779\" data-end=\"1925\"\u003e\u003cstrong data-start=\"1779\" data-end=\"1826\"\u003eQ: Is installation difficult for a DIY job?\u003c\/strong\u003e\u003cbr data-start=\"1826\" data-end=\"1829\"\u003e\u003cstrong data-start=\"1829\" data-end=\"1835\"\u003eA:\u003c\/strong\u003e It’s manageable if you’re comfortable working with fuel systems, but proper setup is key.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938692616483,"sku":"64J-14904-01-00","price":402.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV227733.jpg?v=1698806292","url":"https:\/\/partsvu.com\/en-mx\/products\/yamaha-carburetor-assy-4-64j-14904-01-00","provider":"PartsVu","version":"1.0","type":"link"}