{"product_id":"carburetor-assembly-fits-yamaha-2-stroke-9-9hp-15hp-outboard-motors-replaces-6b4-14301-00","title":"Carburetor Assembly – Fits Yamaha 2-Stroke 9.9HP \u0026 15HP Outboard Motors (Replaces 6B4-14301-00)","description":"\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eCarburetor Assembly – Fits Yamaha 2-Stroke 9.9HP \u0026amp; 15HP Outboard Motors (Replaces 6B4-14301-00)\u003c\/strong\u003e and is designed for Yamaha 6B4 series engines from 1996–2006 and later. It also offers compatibility with select 9.9HP and 15HP 2-stroke outboard engines from Parsun and Earrow that follow the Yamaha 6B4 design.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct interchange for Yamaha part numbers 6B4-14301-00, 6B4-14301-01, 6B41430100, and 6B41430101.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eDesigned for 2-stroke gasoline outboard engines.\u003c\/li\u003e\n    \u003cli\u003eFeatures an engine-mounted, external installation design.\u003c\/li\u003e\n    \u003cli\u003eConstructed from durable aluminum alloy for longevity in marine environments.\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            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-01\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e6B41430100\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e6B41430101\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\u003cp\u003eThis carburetor fits a range of Yamaha 9.9HP and 15HP 2-stroke models, primarily from 2004 to 2006 and newer.\u003c\/p\u003e\n\u003cp\u003eAlso compatible with certain Parsun and Earrow 2-stroke engines designed to mirror Yamaha's 6B4 series specifications.\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            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e15MSHC\u003c\/td\u003e\n                \u003ctd\u003e15\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2004\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e9.9MSHC\u003c\/td\u003e\n                \u003ctd\u003e9.9\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2004\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e15FMHS\u003c\/td\u003e\n                \u003ctd\u003e15\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2005\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e15MSHD\u003c\/td\u003e\n                \u003ctd\u003e15\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2005\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e9.9FMHS\u003c\/td\u003e\n                \u003ctd\u003e9.9\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2005\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e9.9MSHD\u003c\/td\u003e\n                \u003ctd\u003e9.9\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2005\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e15MSH\u003c\/td\u003e\n                \u003ctd\u003e15\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2006–\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e9.9MSH\u003c\/td\u003e\n                \u003ctd\u003e9.9\u003c\/td\u003e\n                \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2006–\u003c\/td\u003e\n                \u003ctd\u003e6B4-14301-00\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 Assembly\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eExternal, Engine-Mounted\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eEngine Type\u003c\/dt\u003e\n\u003cdd\u003e2-Stroke\u003c\/dd\u003e\n    \u003cdt\u003eEngine Position\u003c\/dt\u003e\n\u003cdd\u003eOutboard\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetal (Aluminum Alloy)\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\/Metallic\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e8 × 9 × 14 cm\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.78 kg (1.72 lbs)\u003c\/dd\u003e\n    \u003cdt\u003eOrigin\u003c\/dt\u003e\n\u003cdd\u003eMainland China (Aftermarket)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Carburetor Assembly (Replaces 6B4-14301-00\/6B4-14301-01)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eEnsure the engine is off and cool. Shut off the fuel supply and safely disconnect the fuel line from the carburetor.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the throttle linkage cable and any choke linkages or electrical wires attached to the old carburetor.\u003c\/li\u003e\n    \u003cli\u003eCarefully unbolt and remove the old carburetor from the intake manifold. Note the position of any gaskets.\u003c\/li\u003e\n    \u003cli\u003eClean the intake manifold mounting surface to ensure a proper seal. Place a new gasket (not included) onto the manifold.\u003c\/li\u003e\n    \u003cli\u003eMount the new carburetor onto the intake studs and tighten the nuts or bolts evenly to the manufacturer's recommended torque.\u003c\/li\u003e\n    \u003cli\u003eReconnect the throttle and choke linkages, ensuring they move freely without binding. Reattach any electrical wires.\u003c\/li\u003e\n    \u003cli\u003eSecurely connect the fuel line. Turn the fuel supply on and prime the system if necessary.\u003c\/li\u003e\n    \u003cli\u003eCheck thoroughly for any fuel leaks before attempting to start the engine.\u003c\/li\u003e\n    \u003cli\u003eStart the engine and allow it to warm up. Adjust the idle speed screw as needed for a smooth, stable idle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWill this fit my 2007 Yamaha 15HP motor?\u003c\/summary\u003e\n    \u003cp\u003eYes, this carburetor is listed as compatible with Yamaha 15MSH models from 2006 and later. We always recommend verifying the part number on your original carburetor to ensure an exact match.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eDoes this carburetor include a new mounting gasket?\u003c\/summary\u003e\n    \u003cp\u003eThe package contains the carburetor assembly only. A new mounting gasket is not confirmed to be included and should be sourced separately before installation to ensure a leak-free seal.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eHow can I tell if my old carburetor needs replacing?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs of a failing carburetor include difficulty starting the engine, rough or unstable idling, frequent stalling, poor acceleration, increased fuel consumption, or black smoke from the exhaust. Visible fuel leaks are also a clear indicator that a replacement is needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eAre the internal jets pre-set?\u003c\/summary\u003e\n    \u003cp\u003eYes, this carburetor is built to match OEM factory specifications. The internal jets are pre-set for the intended engine models. Minor adjustments to the external idle speed screw may be needed after installation to achieve optimal performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWhat is the difference between an OEM and an aftermarket part?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is for an aftermarket replacement, not an original equipment manufacturer (OEM) part. It is built to OEM-level specifications with comparable materials in an ISO 9002 certified facility and is batch-inspected for quality and consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWhat are the shipping speed and cost?\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit time is 5–15 days. Standard shipping is free to most locations, with expedited options available at checkout where applicable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n    \u003cp\u003eThis part is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their 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 and specifications against 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 quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723777380667,"sku":"23CA106","price":86.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Carburetor_for_Yamaha_99HP_15HP_99_15D_6B4-14301-00_-_JLM_MARINE-8290528.jpg?v=1763031565","url":"https:\/\/seasierra.com\/products\/carburetor-assembly-fits-yamaha-2-stroke-9-9hp-15hp-outboard-motors-replaces-6b4-14301-00","provider":"SeaSierra","version":"1.0","type":"link"}