{"product_id":"carburetor-rebuild-kit-fits-yamaha-40-50-hp-replaces-6h4-w0093-03-00-6h4-w0093-04-00","title":"Carburetor Rebuild Kit – Fits Yamaha 40-50 HP (Replaces 6H4-W0093-03-00, 6H4-W0093-04-00)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eCarburetor Rebuild Kit – Fits Yamaha 40-50 HP (Replaces 6H4-W0093-03-00, 6H4-W0093-04-00)\u003c\/strong\u003e provides all the necessary components to restore one set of three carburetors on Yamaha 2-stroke 40-50 HP outboard engines from 1989–2009. It covers P40, P50, C40, C50, and PRO50 models.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Yamaha part number 6H4-W0093-04-00 (which supersedes 6H4-W0093-03-00), Sierra 18-7768, and Aftermarket AM6H4-W0093-02.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRestores all three carburetors on three-cylinder engines.\u003c\/li\u003e\n\u003cli\u003eEngineered for direct-fit installation, no modifications required.\u003c\/li\u003e\n\u003cli\u003eIncludes floats, needle valves, gaskets, and O-rings for a complete overhaul.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eSuperseded By\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-03-00\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-7768\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eAM6H4-W0093-02\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003e3F3-87122-1\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e40HP 2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2009\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e50HP 2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2006\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eP40\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2009\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC40\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2009\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eP50\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2006\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC50\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2006\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003ePRO50\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1989–2006\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e40V\/VM\/VE\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1995–2014\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e40YET\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2005–2007\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC40T\/TL\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1995–2002\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e50H\/HR\/HM\/HW\/HE\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1995–2003\u003c\/td\u003e\n        \u003ctd\u003e6H4-W0093-04-00\u003c\/td\u003e\n        \u003ctd\u003eSupersedes 6H4-W0093-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eCarburetor Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eFitment Type\u003c\/dt\u003e\n\u003cdd\u003eThree-cylinder carburetors\u003c\/dd\u003e\n  \u003cdt\u003eCompatible With\u003c\/dt\u003e\n\u003cdd\u003eYamaha 40HP, 50HP 2-stroke outboard engines\u003c\/dd\u003e\n  \u003cdt\u003eOEM Part Number\u003c\/dt\u003e\n\u003cdd\u003e6H4-W0093-04-00 (superseded from 6H4-W0093-03-00)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n  \u003cdt\u003eManufacturer\u003c\/dt\u003e\n\u003cdd\u003eAftermarket equivalent\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis kit includes the following components to rebuild all \u003cspan style=\"color:#d0021b;\"\u003e3 (THREE)\u003c\/span\u003e carburetors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Gasket (6H4-14198-09-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Cap (679-14966-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Needle Valve Assembly (6H3-14590-01-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Clip (633-14159-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Pin, Float (676-14186-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Float (6G1-14985-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Pin, Float Arm (688-14548-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e O-Ring (6G1-14984-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Screw, With Washer (97980-04114-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e O-Ring (93210-04230-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Gasket (663-14126-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Gasket (688-14126-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Screw, Pilot (692-14923-00-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e O-Ring (93210-15M52-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and shut off the fuel supply. Place a rag under the carburetors to catch any spilled fuel.\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect fuel lines, throttle linkages, and any other connections. Label them to ensure correct reassembly.\u003c\/li\u003e\n\u003cli\u003eRemove the mounting bolts and detach the carburetor bank from the engine intake.\u003c\/li\u003e\n\u003cli\u003eDisassemble one carburetor at a time to avoid mixing parts. Lay out components on a clean surface in the order of removal.\u003c\/li\u003e\n\u003cli\u003eClean all metal parts with a dedicated carburetor cleaner. Never use wire to clean jets or passages, as this can damage them.\u003c\/li\u003e\n\u003cli\u003eReplace old gaskets, seals, O-rings, the needle valve, and the float with the new components from the kit.\u003c\/li\u003e\n\u003cli\u003eReassemble the carburetor, ensuring the float height is set to your engine's specifications (refer to a service manual).\u003c\/li\u003e\n\u003cli\u003eRepeat the process for the remaining carburetors, then reinstall the assembly onto the engine. Reconnect all linkages and fuel lines.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if this kit will fit my engine?\u003c\/summary\u003e\n  \u003cp\u003eThis kit is designed for Yamaha 3-cylinder 40HP and 50HP models listed in the Engine \u0026amp; Model Compatibility table. Always cross-reference your engine's model and year with the table and verify your carburetor looks identical to product images before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this one kit for all three carburetors?\u003c\/summary\u003e\n  \u003cp\u003eYes. This is a complete kit containing all the necessary parts, including floats, needles, and gaskets, to rebuild a full bank of three carburetors on your Yamaha engine.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs that my carburetors need a rebuild?\u003c\/summary\u003e\n  \u003cp\u003eSymptoms include hard starting, rough idling, stalling, poor acceleration, fuel leaks, or black smoke from the exhaust. These issues are often caused by degraded gaskets, clogged jets, or an incorrect float level, which this kit is designed to fix.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhy does the fitment list include some 4-stroke models?\u003c\/summary\u003e\n  \u003cp\u003eWhile this kit is primarily for 2-stroke engines, some Yamaha 4-stroke models from the specified years used carburetors that shared the same internal components. Please verify that your carburetor's part number or appearance matches the references provided.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723974054203,"sku":"23CR149","price":45.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23CR149-1.jpg?v=1763038937","url":"https:\/\/seasierra.com\/products\/carburetor-rebuild-kit-fits-yamaha-40-50-hp-replaces-6h4-w0093-03-00-6h4-w0093-04-00","provider":"SeaSierra","version":"1.0","type":"link"}