{"product_id":"outboard-engine-fits-yamaha-80hp-replaces-f80lb-f80d","title":"Outboard Engine – Fits Yamaha 80HP (Replaces F80LB, F80D)","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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis product is an aftermarket replacement for the \u003cstrong\u003eYamaha F80 4-Stroke outboard engine\u003c\/strong\u003e, part of the F80 Mid-Power series for models from 2017 onwards. It is an 80 horsepower, 16-valve SOHC in-line 4-cylinder engine featuring electronic fuel injection (EFI) for reliable performance.\u003c\/p\u003e\n\u003cp\u003eNo direct supersession or interchange data was available from the provided sources.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a lightweight design with a power trim \u0026amp; tilt system.\u003c\/li\u003e\n\u003cli\u003eCompatible with Yamaha's digital network gauges.\u003c\/li\u003e\n\u003cli\u003eEngineered for remote control operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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 and 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\u003eF80LB\u003c\/td\u003e\n        \u003ctd\u003e80\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2017+\u003c\/td\u003e\n        \u003ctd\u003eF80DETL\u003c\/td\u003e\n        \u003ctd\u003eModel code F80D also referenced\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF80D\u003c\/td\u003e\n        \u003ctd\u003e80\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2017+\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eSame engine series, variation of F80LB\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard Motor Engine\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n\u003cdd\u003e16-Valve, SOHC, In-line 4-cylinder\u003c\/dd\u003e\n  \u003cdt\u003eDisplacement\u003c\/dt\u003e\n\u003cdd\u003e1,832 cm³ (62 US fl oz)\u003c\/dd\u003e\n  \u003cdt\u003eBore × Stroke\u003c\/dt\u003e\n\u003cdd\u003e81.0 mm × 88.9 mm (3.2 in × 3.5 in)\u003c\/dd\u003e\n  \u003cdt\u003eCompression Ratio\u003c\/dt\u003e\n\u003cdd\u003e10.0:1\u003c\/dd\u003e\n  \u003cdt\u003eMax. Prop Shaft Output\u003c\/dt\u003e\n\u003cdd\u003e58.8 kW (80 hp)\u003c\/dd\u003e\n  \u003cdt\u003eFull Throttle Operating Range\u003c\/dt\u003e\n\u003cdd\u003e5,000–6,000 rpm\u003c\/dd\u003e\n  \u003cdt\u003eIdling Speed\u003c\/dt\u003e\n\u003cdd\u003e750 ± 50 rpm\u003c\/dd\u003e\n  \u003cdt\u003eFuel Consumption\u003c\/dt\u003e\n\u003cdd\u003e28.7 l\/h @ 6,000 rpm\u003c\/dd\u003e\n  \u003cdt\u003eFuel Induction System\u003c\/dt\u003e\n\u003cdd\u003eElectronic Fuel Injection (EFI)\u003c\/dd\u003e\n  \u003cdt\u003eIgnition System\u003c\/dt\u003e\n\u003cdd\u003eTCI Micro-computer\u003c\/dd\u003e\n  \u003cdt\u003eStarting System\u003c\/dt\u003e\n\u003cdd\u003eElectric Starter\u003c\/dd\u003e\n  \u003cdt\u003eAlternator Output\u003c\/dt\u003e\n\u003cdd\u003e35 A (battery charge: 21 A)\u003c\/dd\u003e\n  \u003cdt\u003eCooling System\u003c\/dt\u003e\n\u003cdd\u003eRaw-water, thermostatically controlled\u003c\/dd\u003e\n  \u003cdt\u003eExhaust System\u003c\/dt\u003e\n\u003cdd\u003eThrough propeller boss\u003c\/dd\u003e\n  \u003cdt\u003eLubrication System\u003c\/dt\u003e\n\u003cdd\u003eWet sump\u003c\/dd\u003e\n  \u003cdt\u003eEngine Oil Capacity\u003c\/dt\u003e\n\u003cdd\u003e3.2\/3.0 ℓ (with\/without oil filter replacement)\u003c\/dd\u003e\n  \u003cdt\u003eGear Ratio\u003c\/dt\u003e\n\u003cdd\u003e2.15 (28\/13)\u003c\/dd\u003e\n  \u003cdt\u003eGear Oil Capacity\u003c\/dt\u003e\n\u003cdd\u003e0.760 ℓ\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e162 kg (357 lb), 166 kg (366 lb) depending on model\u003c\/dd\u003e\n  \u003cdt\u003eShaft Length\u003c\/dt\u003e\n\u003cdd\u003eL: 516 mm (20.3 inch)\u003c\/dd\u003e\n  \u003cdt\u003eBoat Transom Height\u003c\/dt\u003e\n\u003cdd\u003eL: 508 mm\u003c\/dd\u003e\n  \u003cdt\u003eControl System\u003c\/dt\u003e\n\u003cdd\u003eRemote Control\u003c\/dd\u003e\n  \u003cdt\u003eTrim \u0026amp; Tilt System\u003c\/dt\u003e\n\u003cdd\u003ePower Trim \u0026amp; Tilt\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is off and the battery is disconnected before starting work.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old engine, disconnecting all fuel lines, electrical harnesses, and control cables.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the boat's transom for any damage or wear. Make repairs as needed.\u003c\/li\u003e\n\u003cli\u003eMount the new engine securely onto the transom, following the manufacturer's torque specifications for bolts.\u003c\/li\u003e\n\u003cli\u003eConnect all fuel lines, electrical harnesses, and remote-control cables to the new engine.\u003c\/li\u003e\n\u003cli\u003eFill the engine with the correct type and amount of oil and gear lube as specified.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery and test the engine's operation in a safe water environment, checking for leaks and proper function.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat's the difference between the F80LB, F80D, and F80DETL models?\u003c\/summary\u003e\u003cp\u003eThese model codes typically refer to minor variations of the same Yamaha F80 engine series. The differences can relate to shaft length, control type, or regional market specifications. All are functionally similar and fall within the same generation (2017+).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this engine compatible with digital network gauges?\u003c\/summary\u003e\u003cp\u003eYes, the Yamaha F80 series from this era is designed for compatibility with digital network systems, allowing it to connect to modern multifunction displays for engine monitoring.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs that an old engine needs replacement?\u003c\/summary\u003e\u003cp\u003eCommon signs include chronic starting issues, a significant loss of power, excessive smoke, persistent overheating, or internal mechanical failures like knocking sounds, which may be more costly to repair than to replace the unit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the recommended maintenance interval for this engine?\u003c\/summary\u003e\u003cp\u003eWhile referring to the official service manual is best, a general guideline is to change the engine oil and filter every 100 hours of operation or annually, whichever comes first. Gear oil should also be inspected and changed on a similar schedule.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow can I confirm this engine will fit my boat?\u003c\/summary\u003e\u003cp\u003eVerify that your boat's transom height matches the engine's shaft length (L: 508 mm or 20 inches). Also, ensure your boat is rated to handle the engine's weight (approx. 166 kg or 366 lb) and horsepower.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723984048443,"sku":"23DC200-N","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23DC200-N.jpg?v=1763039391","url":"https:\/\/seasierra.com\/products\/outboard-engine-fits-yamaha-80hp-replaces-f80lb-f80d","provider":"SeaSierra","version":"1.0","type":"link"}